/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 03:10:08,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 03:10:08,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 03:10:08,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 03:10:08,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 03:10:08,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 03:10:08,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 03:10:08,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 03:10:08,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 03:10:08,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 03:10:08,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 03:10:08,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 03:10:08,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 03:10:08,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 03:10:08,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 03:10:08,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 03:10:08,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 03:10:08,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 03:10:08,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 03:10:08,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 03:10:08,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 03:10:08,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 03:10:08,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 03:10:08,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 03:10:08,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 03:10:08,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 03:10:08,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 03:10:08,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 03:10:08,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 03:10:08,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 03:10:08,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 03:10:08,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 03:10:08,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 03:10:08,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 03:10:08,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 03:10:08,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 03:10:08,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 03:10:08,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 03:10:08,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 03:10:08,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 03:10:08,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 03:10:08,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 03:10:08,399 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 03:10:08,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 03:10:08,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 03:10:08,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 03:10:08,402 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 03:10:08,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 03:10:08,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 03:10:08,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 03:10:08,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 03:10:08,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 03:10:08,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 03:10:08,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 03:10:08,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 03:10:08,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 03:10:08,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 03:10:08,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 03:10:08,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 03:10:08,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 03:10:08,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 03:10:08,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 03:10:08,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 03:10:08,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 03:10:08,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 03:10:08,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 03:10:08,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 03:10:08,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 03:10:08,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 03:10:08,406 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 03:10:08,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 03:10:08,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 03:10:08,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 03:10:08,850 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 03:10:08,851 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 03:10:08,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2020-10-28 03:10:08,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4da69d358/b306b1f0b9cd4258bfa8263a834ffb37/FLAG2a02f196d [2020-10-28 03:10:09,972 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 03:10:09,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2020-10-28 03:10:10,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4da69d358/b306b1f0b9cd4258bfa8263a834ffb37/FLAG2a02f196d [2020-10-28 03:10:10,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4da69d358/b306b1f0b9cd4258bfa8263a834ffb37 [2020-10-28 03:10:10,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 03:10:10,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 03:10:10,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 03:10:10,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 03:10:10,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 03:10:10,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:10:10" (1/1) ... [2020-10-28 03:10:10,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d50217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:10, skipping insertion in model container [2020-10-28 03:10:10,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:10:10" (1/1) ... [2020-10-28 03:10:10,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 03:10:10,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 03:10:12,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:10:12,336 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 03:10:12,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:10:12,854 INFO L208 MainTranslator]: Completed translation [2020-10-28 03:10:12,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:12 WrapperNode [2020-10-28 03:10:12,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 03:10:12,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 03:10:12,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 03:10:12,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 03:10:12,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:12" (1/1) ... [2020-10-28 03:10:12,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:12" (1/1) ... [2020-10-28 03:10:12,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:12" (1/1) ... [2020-10-28 03:10:12,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:12" (1/1) ... [2020-10-28 03:10:13,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:12" (1/1) ... [2020-10-28 03:10:13,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:12" (1/1) ... [2020-10-28 03:10:13,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:12" (1/1) ... [2020-10-28 03:10:13,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 03:10:13,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 03:10:13,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 03:10:13,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 03:10:13,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 03:10:13,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 03:10:13,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 03:10:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 03:10:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 03:10:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-28 03:10:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 03:10:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 03:10:13,238 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-28 03:10:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 03:10:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 03:10:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 03:10:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 03:10:13,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 03:10:13,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 03:10:13,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 03:10:13,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 03:10:13,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 03:10:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 03:10:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 03:10:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 03:10:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2020-10-28 03:10:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2020-10-28 03:10:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2020-10-28 03:10:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_up [2020-10-28 03:10:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2020-10-28 03:10:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2020-10-28 03:10:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2020-10-28 03:10:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2020-10-28 03:10:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2020-10-28 03:10:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2020-10-28 03:10:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2020-10-28 03:10:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_modem_fill [2020-10-28 03:10:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2020-10-28 03:10:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_bulk_callback [2020-10-28 03:10:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cb [2020-10-28 03:10:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_cmd [2020-10-28 03:10:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2020-10-28 03:10:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2020-10-28 03:10:13,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2020-10-28 03:10:13,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2020-10-28 03:10:13,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2020-10-28 03:10:13,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2020-10-28 03:10:13,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2020-10-28 03:10:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2020-10-28 03:10:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure write_modem [2020-10-28 03:10:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_probe [2020-10-28 03:10:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2020-10-28 03:10:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2020-10-28 03:10:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2020-10-28 03:10:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_pre_reset [2020-10-28 03:10:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gigaset_init [2020-10-28 03:10:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gigaset_exit [2020-10-28 03:10:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-28 03:10:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gigaset_ops_1 [2020-10-28 03:10:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 03:10:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 03:10:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2020-10-28 03:10:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2020-10-28 03:10:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2020-10-28 03:10:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2020-10-28 03:10:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_7 [2020-10-28 03:10:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2020-10-28 03:10:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2020-10-28 03:10:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_10 [2020-10-28 03:10:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_11 [2020-10-28 03:10:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2020-10-28 03:10:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_13 [2020-10-28 03:10:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2020-10-28 03:10:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_16 [2020-10-28 03:10:13,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2020-10-28 03:10:13,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2020-10-28 03:10:13,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2020-10-28 03:10:13,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2020-10-28 03:10:13,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2020-10-28 03:10:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_25 [2020-10-28 03:10:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_26 [2020-10-28 03:10:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-28 03:10:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-28 03:10:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-28 03:10:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-28 03:10:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-28 03:10:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-28 03:10:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-28 03:10:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-28 03:10:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-28 03:10:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-28 03:10:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-28 03:10:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-28 03:10:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-28 03:10:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-28 03:10:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-28 03:10:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-28 03:10:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 03:10:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2020-10-28 03:10:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-28 03:10:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 03:10:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 03:10:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 03:10:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-28 03:10:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2020-10-28 03:10:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-28 03:10:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2020-10-28 03:10:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_blockdriver [2020-10-28 03:10:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2020-10-28 03:10:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_fill_inbuf [2020-10-28 03:10:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2020-10-28 03:10:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2020-10-28 03:10:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcs [2020-10-28 03:10:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initdriver [2020-10-28 03:10:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2020-10-28 03:10:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2020-10-28 03:10:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_shutdown [2020-10-28 03:10:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_skb_sent [2020-10-28 03:10:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_start [2020-10-28 03:10:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_stop [2020-10-28 03:10:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 03:10:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-10-28 03:10:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-10-28 03:10:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 03:10:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2020-10-28 03:10:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 03:10:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-28 03:10:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2020-10-28 03:10:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 03:10:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 03:10:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 03:10:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 03:10:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 03:10:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 03:10:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 03:10:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 03:10:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 03:10:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 03:10:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 03:10:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 03:10:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 03:10:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 03:10:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 03:10:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 03:10:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 03:10:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-28 03:10:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 03:10:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 03:10:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 03:10:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 03:10:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 03:10:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2020-10-28 03:10:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-28 03:10:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-28 03:10:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-28 03:10:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 03:10:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-28 03:10:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2020-10-28 03:10:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-28 03:10:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2020-10-28 03:10:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2020-10-28 03:10:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 03:10:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_7 [2020-10-28 03:10:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_16 [2020-10-28 03:10:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2020-10-28 03:10:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 03:10:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_25 [2020-10-28 03:10:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 03:10:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_26 [2020-10-28 03:10:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2020-10-28 03:10:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_11 [2020-10-28 03:10:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2020-10-28 03:10:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_10 [2020-10-28 03:10:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_13 [2020-10-28 03:10:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2020-10-28 03:10:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2020-10-28 03:10:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2020-10-28 03:10:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2020-10-28 03:10:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2020-10-28 03:10:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2020-10-28 03:10:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2020-10-28 03:10:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2020-10-28 03:10:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 03:10:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 03:10:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 03:10:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 03:10:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-28 03:10:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-28 03:10:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-28 03:10:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-28 03:10:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-28 03:10:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-28 03:10:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-28 03:10:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-28 03:10:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-28 03:10:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-28 03:10:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 03:10:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 03:10:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 03:10:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 03:10:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 03:10:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 03:10:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 03:10:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 03:10:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 03:10:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 03:10:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 03:10:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 03:10:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 03:10:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 03:10:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 03:10:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 03:10:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 03:10:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 03:10:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-28 03:10:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gigaset_ops_1 [2020-10-28 03:10:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2020-10-28 03:10:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 03:10:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2020-10-28 03:10:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 03:10:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 03:10:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-28 03:10:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2020-10-28 03:10:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2020-10-28 03:10:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2020-10-28 03:10:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_skb_sent [2020-10-28 03:10:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initdriver [2020-10-28 03:10:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2020-10-28 03:10:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_blockdriver [2020-10-28 03:10:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcs [2020-10-28 03:10:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2020-10-28 03:10:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_start [2020-10-28 03:10:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_stop [2020-10-28 03:10:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_shutdown [2020-10-28 03:10:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2020-10-28 03:10:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2020-10-28 03:10:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2020-10-28 03:10:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_up [2020-10-28 03:10:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_fill_inbuf [2020-10-28 03:10:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_probe [2020-10-28 03:10:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2020-10-28 03:10:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2020-10-28 03:10:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2020-10-28 03:10:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_pre_reset [2020-10-28 03:10:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2020-10-28 03:10:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2020-10-28 03:10:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 03:10:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2020-10-28 03:10:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2020-10-28 03:10:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2020-10-28 03:10:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2020-10-28 03:10:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2020-10-28 03:10:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure write_modem [2020-10-28 03:10:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure send_cb [2020-10-28 03:10:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_modem_fill [2020-10-28 03:10:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2020-10-28 03:10:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_bulk_callback [2020-10-28 03:10:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 03:10:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_cmd [2020-10-28 03:10:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2020-10-28 03:10:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2020-10-28 03:10:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2020-10-28 03:10:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 03:10:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2020-10-28 03:10:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2020-10-28 03:10:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2020-10-28 03:10:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2020-10-28 03:10:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2020-10-28 03:10:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gigaset_init [2020-10-28 03:10:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gigaset_exit [2020-10-28 03:10:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-10-28 03:10:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-10-28 03:10:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 03:10:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 03:10:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 03:10:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 03:10:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-28 03:10:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-28 03:10:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 03:10:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-28 03:10:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-28 03:10:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-28 03:10:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-28 03:10:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 03:10:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 03:10:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 03:10:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 03:10:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 03:10:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 03:10:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 03:10:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 03:10:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 03:10:14,648 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 03:10:19,957 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-28 03:10:20,890 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 03:10:20,890 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 03:10:20,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:10:20 BoogieIcfgContainer [2020-10-28 03:10:20,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 03:10:20,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 03:10:20,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 03:10:20,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 03:10:20,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:10:10" (1/3) ... [2020-10-28 03:10:20,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@772cce2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:10:20, skipping insertion in model container [2020-10-28 03:10:20,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:10:12" (2/3) ... [2020-10-28 03:10:20,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@772cce2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:10:20, skipping insertion in model container [2020-10-28 03:10:20,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:10:20" (3/3) ... [2020-10-28 03:10:20,904 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2020-10-28 03:10:20,917 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 03:10:20,924 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 03:10:20,938 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 03:10:20,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 03:10:20,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 03:10:20,976 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 03:10:20,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 03:10:20,977 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 03:10:20,977 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 03:10:20,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 03:10:20,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 03:10:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states. [2020-10-28 03:10:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-28 03:10:21,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:10:21,041 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:10:21,042 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:10:21,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:10:21,049 INFO L82 PathProgramCache]: Analyzing trace with hash 470186598, now seen corresponding path program 1 times [2020-10-28 03:10:21,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:10:21,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602242526] [2020-10-28 03:10:21,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:10:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:21,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:23,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:26,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:26,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 03:10:26,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:10:26,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5098 [2020-10-28 03:10:26,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:10:26,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 03:10:26,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:10:26,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 03:10:29,297 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 03:10:29,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:10:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:29,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:29,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:29,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:10:29,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:29,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-28 03:10:29,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:10:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:10:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:10:29,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:29,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:10:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:29,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:29,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:29,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:10:29,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:29,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:10:29,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:10:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:10:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:10:29,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:29,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:10:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:29,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:29,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:29,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:10:29,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:29,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:10:29,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:29,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:10:29,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:10:29,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:10:29,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:29,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:10:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:29,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:29,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:29,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:10:29,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:29,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:10:29,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:10:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:10:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:10:29,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:29,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:10:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:29,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:29,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:29,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:10:29,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:29,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:10:29,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:10:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:10:29,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:10:29,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:29,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 03:10:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:29,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:29,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:29,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:10:29,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:29,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:10:29,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:10:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:10:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:10:29,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:29,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 03:10:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:29,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:29,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:29,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:10:29,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:29,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:10:29,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:10:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:10:29,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:10:29,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:29,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 03:10:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:29,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:29,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:29,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:10:29,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 03:10:29,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:10:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:10:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:10:29,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:29,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 03:10:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:29,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:29,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:29,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 03:10:29,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:29,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 03:10:29,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:29,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:10:29,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 03:10:29,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:10:29,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:29,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:10:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:29,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:30,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:30,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:10:30,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:30,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 03:10:30,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:10:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:10:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:10:30,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:30,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:10:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:30,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:30,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:10:30,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:10:30,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:10:30,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:10:30,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:10:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:10:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:10:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:10:30,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:10:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-28 03:10:30,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602242526] [2020-10-28 03:10:30,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:10:30,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 03:10:30,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253658966] [2020-10-28 03:10:30,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 03:10:30,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:10:30,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 03:10:30,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 03:10:30,121 INFO L87 Difference]: Start difference. First operand 1115 states. Second operand 9 states. [2020-10-28 03:10:34,927 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 03:10:37,225 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-28 03:10:54,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:10:54,746 INFO L93 Difference]: Finished difference Result 2156 states and 2972 transitions. [2020-10-28 03:10:54,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 03:10:54,748 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-28 03:10:54,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:10:54,793 INFO L225 Difference]: With dead ends: 2156 [2020-10-28 03:10:54,793 INFO L226 Difference]: Without dead ends: 1219 [2020-10-28 03:10:54,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-28 03:10:54,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2020-10-28 03:10:55,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 908. [2020-10-28 03:10:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2020-10-28 03:10:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1194 transitions. [2020-10-28 03:10:55,240 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1194 transitions. Word has length 79 [2020-10-28 03:10:55,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:10:55,241 INFO L481 AbstractCegarLoop]: Abstraction has 908 states and 1194 transitions. [2020-10-28 03:10:55,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 03:10:55,241 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1194 transitions. [2020-10-28 03:10:55,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 03:10:55,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:10:55,258 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:10:55,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 03:10:55,258 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:10:55,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:10:55,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1296573414, now seen corresponding path program 1 times [2020-10-28 03:10:55,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:10:55,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566836666] [2020-10-28 03:10:55,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:10:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:10:55,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:10:56,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:00,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:00,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 03:11:00,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:11:00,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5138 [2020-10-28 03:11:00,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:00,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:11:00,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 03:11:00,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:11:00,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:02,919 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 03:11:02,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:11:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:02,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:11:03,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-28 03:11:03,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:03,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:03,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:03,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 03:11:03,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:11:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:03,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:03,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:11:03,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:03,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:03,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:11:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:03,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:03,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:11:03,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:03,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:03,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:11:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:03,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:03,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:11:03,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:03,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:03,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:03,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:03,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:11:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:03,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:03,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:11:03,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:03,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:03,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:03,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:03,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 03:11:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:03,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:03,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:11:03,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:03,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:03,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 03:11:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:03,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:11:03,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:11:03,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:03,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:03,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:03,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:03,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 03:11:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:03,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 03:11:03,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 03:11:03,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:11:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:11:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:11:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:03,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 03:11:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:03,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 03:11:03,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 03:11:03,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:03,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 03:11:03,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:03,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:03,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:11:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:03,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:11:03,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:11:03,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:03,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:03,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:03,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:03,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:11:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:03,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:03,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:03,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:03,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:03,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:11:03,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-28 03:11:03,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566836666] [2020-10-28 03:11:03,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:11:03,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 03:11:03,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275782355] [2020-10-28 03:11:03,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:11:03,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:11:03,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:11:03,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:11:03,894 INFO L87 Difference]: Start difference. First operand 908 states and 1194 transitions. Second operand 10 states. [2020-10-28 03:11:09,259 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 03:11:35,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:11:35,374 INFO L93 Difference]: Finished difference Result 2105 states and 2832 transitions. [2020-10-28 03:11:35,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:11:35,374 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2020-10-28 03:11:35,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:11:35,384 INFO L225 Difference]: With dead ends: 2105 [2020-10-28 03:11:35,384 INFO L226 Difference]: Without dead ends: 1220 [2020-10-28 03:11:35,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:11:35,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2020-10-28 03:11:35,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 909. [2020-10-28 03:11:35,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-10-28 03:11:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1195 transitions. [2020-10-28 03:11:35,676 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1195 transitions. Word has length 80 [2020-10-28 03:11:35,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:11:35,676 INFO L481 AbstractCegarLoop]: Abstraction has 909 states and 1195 transitions. [2020-10-28 03:11:35,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:11:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1195 transitions. [2020-10-28 03:11:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 03:11:35,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:11:35,680 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:11:35,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 03:11:35,681 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:11:35,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:11:35,682 INFO L82 PathProgramCache]: Analyzing trace with hash -231558938, now seen corresponding path program 2 times [2020-10-28 03:11:35,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:11:35,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156319397] [2020-10-28 03:11:35,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:11:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:35,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:37,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:39,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:39,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 03:11:39,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:11:39,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4100 [2020-10-28 03:11:39,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:39,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:11:39,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 03:11:39,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:11:39,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,281 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 03:11:42,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:11:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:42,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:42,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:42,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:11:42,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:42,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-28 03:11:42,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:42,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:42,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:11:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:42,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:42,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:42,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:42,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:42,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:11:42,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:42,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:11:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:42,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:42,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:42,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:42,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:42,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:11:42,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:42,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:42,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:42,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:42,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:11:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:42,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:42,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:42,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:42,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:42,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:11:42,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:42,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:42,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:42,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:42,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:11:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:42,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:42,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:42,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:42,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:42,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:11:42,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:42,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:42,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:42,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 03:11:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:42,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:42,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:42,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:42,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:42,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:11:42,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:42,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 03:11:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:42,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:42,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:42,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:11:42,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:11:42,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:42,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 03:11:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:42,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:42,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:42,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 03:11:42,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:42,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 03:11:42,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:42,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:11:42,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:11:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:11:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 03:11:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:42,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:42,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:42,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 03:11:42,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:42,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 03:11:42,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 03:11:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:42,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:11:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:42,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:42,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:42,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:11:42,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:42,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:11:42,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:42,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:42,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:42,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:42,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:42,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:11:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:11:43,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:11:43,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:11:43,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:11:43,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:11:43,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:11:43,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:11:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:11:43,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:11:43,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:11:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:11:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-28 03:11:43,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156319397] [2020-10-28 03:11:43,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:11:43,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 03:11:43,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180568170] [2020-10-28 03:11:43,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 03:11:43,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:11:43,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 03:11:43,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 03:11:43,043 INFO L87 Difference]: Start difference. First operand 909 states and 1195 transitions. Second operand 11 states. [2020-10-28 03:11:48,321 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 03:12:14,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:12:14,506 INFO L93 Difference]: Finished difference Result 2106 states and 2833 transitions. [2020-10-28 03:12:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 03:12:14,507 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 81 [2020-10-28 03:12:14,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:12:14,517 INFO L225 Difference]: With dead ends: 2106 [2020-10-28 03:12:14,517 INFO L226 Difference]: Without dead ends: 1221 [2020-10-28 03:12:14,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-28 03:12:14,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2020-10-28 03:12:14,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 910. [2020-10-28 03:12:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-10-28 03:12:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1196 transitions. [2020-10-28 03:12:14,745 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1196 transitions. Word has length 81 [2020-10-28 03:12:14,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:12:14,746 INFO L481 AbstractCegarLoop]: Abstraction has 910 states and 1196 transitions. [2020-10-28 03:12:14,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 03:12:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1196 transitions. [2020-10-28 03:12:14,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-28 03:12:14,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:12:14,749 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:12:14,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 03:12:14,750 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:12:14,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:12:14,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1575848550, now seen corresponding path program 3 times [2020-10-28 03:12:14,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:12:14,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068792215] [2020-10-28 03:12:14,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:12:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:14,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:16,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:19,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:19,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 03:12:19,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:12:19,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 03:12:19,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:19,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:12:19,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 03:12:19,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:12:19,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:12:22,160 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 03:12:22,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:12:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:12:22,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-28 03:12:22,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:12:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:22,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:12:22,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:22,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:22,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:22,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:12:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:22,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:12:22,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:22,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:22,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:22,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:12:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:22,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:12:22,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:22,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:22,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:22,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:12:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:22,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:12:22,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:22,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:22,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:22,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 03:12:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:22,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:12:22,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:22,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 03:12:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:12:22,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:12:22,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:22,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:22,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:22,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 03:12:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 03:12:22,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 03:12:22,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:12:22,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:12:22,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 03:12:22,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 03:12:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 03:12:22,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 03:12:22,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 03:12:22,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:22,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:12:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:12:22,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:12:22,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:12:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:22,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:22,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:22,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:22,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:22,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:12:22,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:22,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:22,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:22,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:22,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-28 03:12:22,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068792215] [2020-10-28 03:12:22,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:12:22,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 03:12:22,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109546384] [2020-10-28 03:12:22,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 03:12:22,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:12:22,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 03:12:22,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-28 03:12:22,907 INFO L87 Difference]: Start difference. First operand 910 states and 1196 transitions. Second operand 12 states. [2020-10-28 03:12:27,671 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 03:12:48,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:12:48,179 INFO L93 Difference]: Finished difference Result 2107 states and 2834 transitions. [2020-10-28 03:12:48,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 03:12:48,182 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-10-28 03:12:48,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:12:48,195 INFO L225 Difference]: With dead ends: 2107 [2020-10-28 03:12:48,195 INFO L226 Difference]: Without dead ends: 1222 [2020-10-28 03:12:48,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-10-28 03:12:48,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2020-10-28 03:12:48,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 911. [2020-10-28 03:12:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-10-28 03:12:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1197 transitions. [2020-10-28 03:12:48,570 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1197 transitions. Word has length 82 [2020-10-28 03:12:48,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:12:48,571 INFO L481 AbstractCegarLoop]: Abstraction has 911 states and 1197 transitions. [2020-10-28 03:12:48,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 03:12:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1197 transitions. [2020-10-28 03:12:48,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-28 03:12:48,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:12:48,575 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:12:48,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 03:12:48,576 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:12:48,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:12:48,577 INFO L82 PathProgramCache]: Analyzing trace with hash -299153562, now seen corresponding path program 4 times [2020-10-28 03:12:48,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:12:48,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059692812] [2020-10-28 03:12:48,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:12:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:48,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:49,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:49,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-28 03:12:49,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:49,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1266 [2020-10-28 03:12:49,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:49,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:12:49,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:12:49,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-28 03:12:49,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:52,356 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 03:12:52,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:12:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:52,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:52,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:52,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:12:52,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-28 03:12:52,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:12:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:12:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:52,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:12:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:52,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:52,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:52,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:52,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:52,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:12:52,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:52,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:12:52,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:52,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:12:52,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:52,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:12:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:52,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:52,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:52,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:52,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:52,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:12:52,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:52,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:12:52,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:52,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:12:52,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:52,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:12:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:52,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:52,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:52,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:52,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:52,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:12:52,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:12:52,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:52,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:12:52,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:52,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:12:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:52,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:52,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:52,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:52,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:52,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:12:52,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:12:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:12:52,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:52,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 03:12:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:52,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:52,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:52,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:52,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:52,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:12:52,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:12:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:12:52,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:52,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 03:12:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:52,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:52,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:52,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:12:52,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:12:52,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:12:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:12:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:52,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 03:12:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:52,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:52,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:52,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:12:52,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:52,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 03:12:52,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:52,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:12:52,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:52,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:12:52,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:53,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 03:12:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:53,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:53,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:53,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 03:12:53,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:53,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 03:12:53,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:12:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 03:12:53,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:53,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:12:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:53,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:53,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:53,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:12:53,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:53,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:12:53,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:53,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:53,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:12:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:12:53,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:12:53,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:12:53,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:12:53,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:12:53,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:12:53,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:12:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:12:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:12:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:12:53,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:12:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-28 03:12:53,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059692812] [2020-10-28 03:12:53,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:12:53,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:12:53,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955133220] [2020-10-28 03:12:53,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:12:53,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:12:53,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:12:53,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:12:53,174 INFO L87 Difference]: Start difference. First operand 911 states and 1197 transitions. Second operand 8 states. [2020-10-28 03:12:57,608 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 03:13:32,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:13:32,305 INFO L93 Difference]: Finished difference Result 3266 states and 4494 transitions. [2020-10-28 03:13:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 03:13:32,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-10-28 03:13:32,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:13:32,323 INFO L225 Difference]: With dead ends: 3266 [2020-10-28 03:13:32,324 INFO L226 Difference]: Without dead ends: 2384 [2020-10-28 03:13:32,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:13:32,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2384 states. [2020-10-28 03:13:32,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2384 to 1965. [2020-10-28 03:13:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2020-10-28 03:13:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2648 transitions. [2020-10-28 03:13:33,007 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2648 transitions. Word has length 83 [2020-10-28 03:13:33,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:13:33,008 INFO L481 AbstractCegarLoop]: Abstraction has 1965 states and 2648 transitions. [2020-10-28 03:13:33,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:13:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2648 transitions. [2020-10-28 03:13:33,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 03:13:33,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:13:33,012 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:13:33,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 03:13:33,012 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:13:33,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:13:33,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1341050873, now seen corresponding path program 1 times [2020-10-28 03:13:33,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:13:33,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687595506] [2020-10-28 03:13:33,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:13:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:33,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:34,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:34,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 03:13:34,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:34,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1597 [2020-10-28 03:13:34,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:34,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:13:34,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:13:34,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-28 03:13:34,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:37,034 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 03:13:37,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:13:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:13:37,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-28 03:13:37,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:13:37,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:13:37,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:37,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:13:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:13:37,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:13:37,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:13:37,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:13:37,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:37,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:13:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:13:37,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:13:37,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:13:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:13:37,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:37,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:13:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:13:37,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:13:37,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:13:37,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:13:37,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:37,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:13:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:13:37,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:13:37,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:13:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:13:37,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:37,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 03:13:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:13:37,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 03:13:37,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:13:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:13:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:13:37,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 03:13:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:13:37,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:13:37,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:13:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:13:37,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:37,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 03:13:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:13:37,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 03:13:37,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:13:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:13:37,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:37,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 03:13:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 03:13:37,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 03:13:37,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:13:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 03:13:37,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:37,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:13:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:13:37,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:13:37,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:13:37,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:13:37,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:37,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:13:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:37,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:37,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:37,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:13:37,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:37,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:13:37,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:37,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:13:37,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:13:37,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 03:13:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-28 03:13:37,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687595506] [2020-10-28 03:13:37,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:13:37,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:13:37,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612925218] [2020-10-28 03:13:37,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:13:37,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:13:37,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:13:37,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:13:37,818 INFO L87 Difference]: Start difference. First operand 1965 states and 2648 transitions. Second operand 8 states. [2020-10-28 03:13:42,269 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 580