/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 [2020-10-29 16:41:09,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:41:09,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:41:09,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:41:09,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:41:09,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:41:09,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:41:09,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:41:09,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:41:09,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:41:09,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:41:09,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:41:09,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:41:09,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:41:09,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:41:09,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:41:09,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:41:09,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:41:09,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:41:09,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:41:09,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:41:09,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:41:09,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:41:09,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:41:09,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 16:41:09,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 16:41:09,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 16:41:09,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 16:41:09,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 16:41:09,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 16:41:09,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 16:41:09,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 16:41:09,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 16:41:09,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 16:41:09,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 16:41:09,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 16:41:09,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 16:41:09,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 16:41:09,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:41:09,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:41:09,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:41:09,398 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 [2020-10-29 16:41:09,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:41:09,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:41:09,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:41:09,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:41:09,426 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:41:09,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:41:09,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:41:09,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:41:09,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:41:09,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:41:09,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:41:09,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:41:09,428 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:41:09,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:41:09,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:41:09,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:41:09,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:41:09,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:41:09,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:41:09,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:41:09,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:41:09,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:41:09,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:41:09,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:41:09,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:41:09,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:41:09,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:41:09,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:41:09,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:41:09,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:41:09,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:41:09,828 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:41:09,829 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:41:09,830 INFO L432 ainManager$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 [2020-10-29 16:41:09,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb58f65a0/1cd2c4c0998f43a0be55e245ecfff759/FLAG0f86f58a4 [2020-10-29 16:41:10,862 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:41:10,863 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 [2020-10-29 16:41:10,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb58f65a0/1cd2c4c0998f43a0be55e245ecfff759/FLAG0f86f58a4 [2020-10-29 16:41:11,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eb58f65a0/1cd2c4c0998f43a0be55e245ecfff759 [2020-10-29 16:41:11,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:41:11,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:41:11,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:41:11,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:41:11,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:41:11,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:41:11" (1/1) ... [2020-10-29 16:41:11,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f00ed33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:11, skipping insertion in model container [2020-10-29 16:41:11,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:41:11" (1/1) ... [2020-10-29 16:41:11,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:41:11,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:41:12,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:41:13,014 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 16:41:13,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:41:13,725 INFO L208 MainTranslator]: Completed translation [2020-10-29 16:41:13,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:13 WrapperNode [2020-10-29 16:41:13,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:41:13,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 16:41:13,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 16:41:13,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 16:41:13,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:13" (1/1) ... [2020-10-29 16:41:13,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:13" (1/1) ... [2020-10-29 16:41:13,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:13" (1/1) ... [2020-10-29 16:41:13,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:13" (1/1) ... [2020-10-29 16:41:13,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:13" (1/1) ... [2020-10-29 16:41:13,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:13" (1/1) ... [2020-10-29 16:41:14,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:13" (1/1) ... [2020-10-29 16:41:14,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 16:41:14,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 16:41:14,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 16:41:14,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 16:41:14,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:13" (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 [2020-10-29 16:41:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 16:41:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 16:41:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 16:41:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 16:41:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-29 16:41:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 16:41:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 16:41:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-29 16:41:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-29 16:41:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 16:41:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 16:41:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 16:41:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 16:41:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 16:41:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 16:41:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 16:41:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 16:41:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 16:41:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 16:41:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 16:41:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2020-10-29 16:41:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2020-10-29 16:41:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2020-10-29 16:41:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_up [2020-10-29 16:41:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2020-10-29 16:41:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2020-10-29 16:41:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2020-10-29 16:41:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2020-10-29 16:41:14,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2020-10-29 16:41:14,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2020-10-29 16:41:14,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2020-10-29 16:41:14,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_modem_fill [2020-10-29 16:41:14,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2020-10-29 16:41:14,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_bulk_callback [2020-10-29 16:41:14,136 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cb [2020-10-29 16:41:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_cmd [2020-10-29 16:41:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2020-10-29 16:41:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2020-10-29 16:41:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2020-10-29 16:41:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2020-10-29 16:41:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2020-10-29 16:41:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2020-10-29 16:41:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2020-10-29 16:41:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2020-10-29 16:41:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure write_modem [2020-10-29 16:41:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_probe [2020-10-29 16:41:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2020-10-29 16:41:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2020-10-29 16:41:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2020-10-29 16:41:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_pre_reset [2020-10-29 16:41:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gigaset_init [2020-10-29 16:41:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gigaset_exit [2020-10-29 16:41:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-29 16:41:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gigaset_ops_1 [2020-10-29 16:41:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 16:41:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-29 16:41:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2020-10-29 16:41:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2020-10-29 16:41:14,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2020-10-29 16:41:14,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2020-10-29 16:41:14,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_7 [2020-10-29 16:41:14,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2020-10-29 16:41:14,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2020-10-29 16:41:14,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_10 [2020-10-29 16:41:14,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_11 [2020-10-29 16:41:14,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2020-10-29 16:41:14,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_13 [2020-10-29 16:41:14,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2020-10-29 16:41:14,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_16 [2020-10-29 16:41:14,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2020-10-29 16:41:14,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2020-10-29 16:41:14,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2020-10-29 16:41:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2020-10-29 16:41:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2020-10-29 16:41:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_25 [2020-10-29 16:41:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_26 [2020-10-29 16:41:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-29 16:41:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-29 16:41:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-29 16:41:14,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-29 16:41:14,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-29 16:41:14,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-29 16:41:14,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-29 16:41:14,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-29 16:41:14,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-29 16:41:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-29 16:41:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-29 16:41:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-29 16:41:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-29 16:41:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-29 16:41:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-29 16:41:14,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-29 16:41:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 16:41:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2020-10-29 16:41:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-29 16:41:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-29 16:41:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 16:41:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 16:41:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-29 16:41:14,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2020-10-29 16:41:14,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-29 16:41:14,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2020-10-29 16:41:14,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_blockdriver [2020-10-29 16:41:14,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2020-10-29 16:41:14,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_fill_inbuf [2020-10-29 16:41:14,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2020-10-29 16:41:14,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2020-10-29 16:41:14,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcs [2020-10-29 16:41:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initdriver [2020-10-29 16:41:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2020-10-29 16:41:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2020-10-29 16:41:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_shutdown [2020-10-29 16:41:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_skb_sent [2020-10-29 16:41:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_start [2020-10-29 16:41:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_stop [2020-10-29 16:41:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 16:41:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-10-29 16:41:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-10-29 16:41:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 16:41:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2020-10-29 16:41:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-29 16:41:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-29 16:41:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2020-10-29 16:41:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-29 16:41:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-29 16:41:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-29 16:41:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-29 16:41:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 16:41:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 16:41:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 16:41:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 16:41:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 16:41:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 16:41:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 16:41:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 16:41:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 16:41:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 16:41:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 16:41:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 16:41:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 16:41:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-29 16:41:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 16:41:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-29 16:41:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 16:41:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 16:41:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 16:41:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2020-10-29 16:41:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-29 16:41:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-29 16:41:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-29 16:41:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 16:41:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-29 16:41:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2020-10-29 16:41:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-29 16:41:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2020-10-29 16:41:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2020-10-29 16:41:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-29 16:41:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_7 [2020-10-29 16:41:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_16 [2020-10-29 16:41:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2020-10-29 16:41:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-29 16:41:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_25 [2020-10-29 16:41:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-29 16:41:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_26 [2020-10-29 16:41:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2020-10-29 16:41:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_11 [2020-10-29 16:41:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2020-10-29 16:41:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_10 [2020-10-29 16:41:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_13 [2020-10-29 16:41:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2020-10-29 16:41:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2020-10-29 16:41:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2020-10-29 16:41:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2020-10-29 16:41:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2020-10-29 16:41:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2020-10-29 16:41:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2020-10-29 16:41:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2020-10-29 16:41:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-29 16:41:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-29 16:41:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-29 16:41:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 16:41:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-29 16:41:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-29 16:41:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-29 16:41:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-29 16:41:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-29 16:41:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-29 16:41:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-29 16:41:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-29 16:41:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-29 16:41:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-29 16:41:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 16:41:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 16:41:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 16:41:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 16:41:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 16:41:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 16:41:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 16:41:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 16:41:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 16:41:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 16:41:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 16:41:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 16:41:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 16:41:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 16:41:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 16:41:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 16:41:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 16:41:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 16:41:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-29 16:41:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gigaset_ops_1 [2020-10-29 16:41:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2020-10-29 16:41:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-29 16:41:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2020-10-29 16:41:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 16:41:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 16:41:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-29 16:41:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2020-10-29 16:41:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2020-10-29 16:41:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2020-10-29 16:41:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_skb_sent [2020-10-29 16:41:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initdriver [2020-10-29 16:41:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2020-10-29 16:41:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_blockdriver [2020-10-29 16:41:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcs [2020-10-29 16:41:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2020-10-29 16:41:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_start [2020-10-29 16:41:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_stop [2020-10-29 16:41:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_shutdown [2020-10-29 16:41:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2020-10-29 16:41:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2020-10-29 16:41:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2020-10-29 16:41:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_up [2020-10-29 16:41:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_fill_inbuf [2020-10-29 16:41:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_probe [2020-10-29 16:41:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2020-10-29 16:41:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2020-10-29 16:41:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2020-10-29 16:41:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_pre_reset [2020-10-29 16:41:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2020-10-29 16:41:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2020-10-29 16:41:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 16:41:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2020-10-29 16:41:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2020-10-29 16:41:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2020-10-29 16:41:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2020-10-29 16:41:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2020-10-29 16:41:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write_modem [2020-10-29 16:41:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure send_cb [2020-10-29 16:41:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_modem_fill [2020-10-29 16:41:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2020-10-29 16:41:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_bulk_callback [2020-10-29 16:41:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 16:41:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_cmd [2020-10-29 16:41:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2020-10-29 16:41:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2020-10-29 16:41:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2020-10-29 16:41:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 16:41:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2020-10-29 16:41:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2020-10-29 16:41:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2020-10-29 16:41:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2020-10-29 16:41:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2020-10-29 16:41:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gigaset_init [2020-10-29 16:41:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gigaset_exit [2020-10-29 16:41:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-10-29 16:41:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-10-29 16:41:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 16:41:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 16:41:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 16:41:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 16:41:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-29 16:41:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-29 16:41:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 16:41:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-29 16:41:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-29 16:41:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-29 16:41:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-29 16:41:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 16:41:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 16:41:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 16:41:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 16:41:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 16:41:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 16:41:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 16:41:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 16:41:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 16:41:16,221 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 16:41:21,810 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-29 16:41:23,197 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 16:41:23,197 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 16:41:23,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:23 BoogieIcfgContainer [2020-10-29 16:41:23,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 16:41:23,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 16:41:23,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 16:41:23,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 16:41:23,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:41:11" (1/3) ... [2020-10-29 16:41:23,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edddf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:41:23, skipping insertion in model container [2020-10-29 16:41:23,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:13" (2/3) ... [2020-10-29 16:41:23,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edddf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:41:23, skipping insertion in model container [2020-10-29 16:41:23,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:23" (3/3) ... [2020-10-29 16:41:23,214 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2020-10-29 16:41:23,227 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 16:41:23,235 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 16:41:23,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 16:41:23,303 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 16:41:23,304 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 16:41:23,304 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 16:41:23,304 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 16:41:23,304 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 16:41:23,304 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 16:41:23,304 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 16:41:23,304 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 16:41:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states. [2020-10-29 16:41:23,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-29 16:41:23,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:41:23,376 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] [2020-10-29 16:41:23,376 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:41:23,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:41:23,383 INFO L82 PathProgramCache]: Analyzing trace with hash 470186598, now seen corresponding path program 1 times [2020-10-29 16:41:23,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:41:23,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845557949] [2020-10-29 16:41:23,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:41:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:24,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:25,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:29,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:29,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 16:41:29,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:41:29,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-10-29 16:41:29,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:29,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:41:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:41:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 16:41:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 16:41:33,782 WARN L193 SmtUtils]: Spent 4.53 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-29 16:41:33,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:41:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:33,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:41:34,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:41:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-29 16:41:34,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:41:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:41:34,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 16:41:34,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:41:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:34,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:41:34,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:41:34,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 16:41:34,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:41:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:41:34,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:41:34,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 16:41:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:34,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:41:34,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:41:34,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 16:41:34,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:41:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:41:34,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:41:34,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 16:41:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:34,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:41:34,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:41:34,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 16:41:34,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:41:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:41:34,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:41:34,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 16:41:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:34,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:41:34,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:41:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 16:41:34,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:41:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:41:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:41:34,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 16:41:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:34,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:41:34,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:41:34,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 16:41:34,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:41:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:41:34,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:41:34,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 16:41:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:34,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:41:34,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:41:34,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:41:34,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:41:34,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:41:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:41:34,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 16:41:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:34,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:41:34,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:41:34,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 16:41:34,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:41:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:41:34,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:41:34,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 16:41:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:34,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 16:41:34,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:41:34,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 16:41:34,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:41:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 16:41:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:41:34,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:41:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:34,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:41:34,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:41:34,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:41:34,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:41:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:41:34,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:41:34,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:41:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:41:34,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:41:34,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:41:34,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:41:34,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:41:34,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:41:34,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:41:34,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:41:34,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:41:34,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:41:34,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:41:34,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:41:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 16:41:35,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845557949] [2020-10-29 16:41:35,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:41:35,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 16:41:35,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912422450] [2020-10-29 16:41:35,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 16:41:35,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:41:35,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 16:41:35,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 16:41:35,073 INFO L87 Difference]: Start difference. First operand 1115 states. Second operand 8 states. [2020-10-29 16:41:41,906 WARN L193 SmtUtils]: Spent 4.69 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-29 16:42:28,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:42:28,411 INFO L93 Difference]: Finished difference Result 3492 states and 5022 transitions. [2020-10-29 16:42:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 16:42:28,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-29 16:42:28,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:42:28,471 INFO L225 Difference]: With dead ends: 3492 [2020-10-29 16:42:28,472 INFO L226 Difference]: Without dead ends: 2534 [2020-10-29 16:42:28,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2020-10-29 16:42:28,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2020-10-29 16:42:29,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 1961. [2020-10-29 16:42:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1961 states. [2020-10-29 16:42:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2644 transitions. [2020-10-29 16:42:29,302 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2644 transitions. Word has length 79 [2020-10-29 16:42:29,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:42:29,305 INFO L481 AbstractCegarLoop]: Abstraction has 1961 states and 2644 transitions. [2020-10-29 16:42:29,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 16:42:29,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2644 transitions. [2020-10-29 16:42:29,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-29 16:42:29,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:42:29,323 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] [2020-10-29 16:42:29,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 16:42:29,324 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:42:29,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:42:29,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1033657607, now seen corresponding path program 1 times [2020-10-29 16:42:29,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:42:29,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927562750] [2020-10-29 16:42:29,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:42:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:29,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:30,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:32,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:32,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 16:42:32,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:42:32,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3501 [2020-10-29 16:42:32,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:32,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:42:32,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:42:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 16:42:32,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 16:42:37,609 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-29 16:42:37,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:42:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:37,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:42:38,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:38,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 441 [2020-10-29 16:42:38,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:42:38,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:42:38,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:42:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:38,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:42:38,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:38,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 16:42:38,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:42:38,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:38,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 16:42:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:38,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:42:38,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:38,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:42:38,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:42:38,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:38,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 16:42:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:38,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:42:38,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:38,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 16:42:38,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:38,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:42:38,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:38,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 16:42:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:38,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:42:38,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:38,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 16:42:38,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:42:38,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:42:38,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 16:42:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:38,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:42:38,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:38,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 16:42:38,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:42:38,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:38,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 16:42:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:38,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:42:38,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:38,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:42:38,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:42:38,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:38,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 16:42:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:38,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:42:38,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:42:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-29 16:42:38,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:38,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:42:38,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:42:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 16:42:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:38,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 16:42:38,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 16:42:38,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 16:42:38,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:42:38,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:42:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:38,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:42:38,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:38,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 16:42:38,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:42:38,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:42:38,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 16:42:38,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:42:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:38,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:38,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:38,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:42:38,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:38,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:42:38,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:38,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:42:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:42:38,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 16:42:38,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927562750] [2020-10-29 16:42:38,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:42:38,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 16:42:38,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51183125] [2020-10-29 16:42:38,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 16:42:38,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:42:38,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 16:42:38,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 16:42:38,838 INFO L87 Difference]: Start difference. First operand 1961 states and 2644 transitions. Second operand 8 states. [2020-10-29 16:42:45,635 WARN L193 SmtUtils]: Spent 4.67 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-29 16:43:41,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:43:41,239 INFO L93 Difference]: Finished difference Result 6773 states and 9568 transitions. [2020-10-29 16:43:41,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 16:43:41,246 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-29 16:43:41,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:43:41,279 INFO L225 Difference]: With dead ends: 6773 [2020-10-29 16:43:41,280 INFO L226 Difference]: Without dead ends: 4837 [2020-10-29 16:43:41,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2020-10-29 16:43:41,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4837 states. [2020-10-29 16:43:42,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4837 to 4057. [2020-10-29 16:43:42,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4057 states. [2020-10-29 16:43:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 4057 states and 5565 transitions. [2020-10-29 16:43:42,273 INFO L78 Accepts]: Start accepts. Automaton has 4057 states and 5565 transitions. Word has length 80 [2020-10-29 16:43:42,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:43:42,274 INFO L481 AbstractCegarLoop]: Abstraction has 4057 states and 5565 transitions. [2020-10-29 16:43:42,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 16:43:42,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4057 states and 5565 transitions. [2020-10-29 16:43:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-29 16:43:42,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:43:42,277 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, 1] [2020-10-29 16:43:42,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 16:43:42,278 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:43:42,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:43:42,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1326066889, now seen corresponding path program 1 times [2020-10-29 16:43:42,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:43:42,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030506490] [2020-10-29 16:43:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:43:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:42,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:43,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:45,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:45,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 16:43:45,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:43:45,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3459 [2020-10-29 16:43:45,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:45,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:45,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:43:45,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:43:45,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 16:43:45,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:50,529 WARN L193 SmtUtils]: Spent 4.49 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-29 16:43:50,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:43:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:50,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:43:51,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:51,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 481 [2020-10-29 16:43:51,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:51,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:43:51,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:51,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:43:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:51,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:43:51,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:51,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:43:51,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:51,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:43:51,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:51,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 16:43:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:51,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:43:51,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:51,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:43:51,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:43:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:51,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 16:43:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:51,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:43:51,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:51,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:43:51,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:51,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:43:51,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:51,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 16:43:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:51,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:43:51,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:51,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 16:43:51,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:43:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:51,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 16:43:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:51,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:43:51,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:51,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:43:51,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:43:51,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:51,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 16:43:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:51,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:43:51,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:51,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:43:51,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:51,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:43:51,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:43:51,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 16:43:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:51,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:43:51,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:43:51,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 16:43:51,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:51,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:43:51,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:51,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 16:43:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:51,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 16:43:51,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:51,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 16:43:51,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:51,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 16:43:51,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:51,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:43:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:51,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:43:51,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:51,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 16:43:51,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:43:51,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:43:51,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:43:51,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:43:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:51,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:51,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:51,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:43:51,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:51,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:43:51,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:51,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:51,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:43:51,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:51,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:43:51,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:43:51,649 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 16:43:51,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030506490] [2020-10-29 16:43:51,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:43:51,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 16:43:51,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713141186] [2020-10-29 16:43:51,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 16:43:51,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:43:51,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 16:43:51,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 16:43:51,652 INFO L87 Difference]: Start difference. First operand 4057 states and 5565 transitions. Second operand 8 states. [2020-10-29 16:43:58,392 WARN L193 SmtUtils]: Spent 4.60 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-29 16:44:54,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:44:54,232 INFO L93 Difference]: Finished difference Result 4837 states and 6807 transitions. [2020-10-29 16:44:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 16:44:54,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-10-29 16:44:54,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:44:54,267 INFO L225 Difference]: With dead ends: 4837 [2020-10-29 16:44:54,268 INFO L226 Difference]: Without dead ends: 4832 [2020-10-29 16:44:54,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2020-10-29 16:44:54,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2020-10-29 16:44:55,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 4058. [2020-10-29 16:44:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4058 states. [2020-10-29 16:44:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4058 states to 4058 states and 5566 transitions. [2020-10-29 16:44:55,541 INFO L78 Accepts]: Start accepts. Automaton has 4058 states and 5566 transitions. Word has length 81 [2020-10-29 16:44:55,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:44:55,542 INFO L481 AbstractCegarLoop]: Abstraction has 4058 states and 5566 transitions. [2020-10-29 16:44:55,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 16:44:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 4058 states and 5566 transitions. [2020-10-29 16:44:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-29 16:44:55,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:44:55,549 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, 1, 1] [2020-10-29 16:44:55,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 16:44:55,549 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:44:55,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:44:55,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1805497226, now seen corresponding path program 1 times [2020-10-29 16:44:55,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:44:55,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951164085] [2020-10-29 16:44:55,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:44:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:44:55,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:44:56,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:44:57,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:44:57,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 16:44:57,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:44:57,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1678 [2020-10-29 16:44:57,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:44:57,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:44:57,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:44:57,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:44:57,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-29 16:44:57,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:45:02,016 WARN L193 SmtUtils]: Spent 4.57 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-29 16:45:02,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:45:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:45:02,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:45:02,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:45:02,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:45:02,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:45:02,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 423 [2020-10-29 16:45:02,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:45:02,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:45:02,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:45:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:45:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:45:02,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:45:02,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:45:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:45:02,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:45:02,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:45:02,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:45:02,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:45:02,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:45:02,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:45:02,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:45:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:45:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:45:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:45:02,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:45:02,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 16:45:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:45:02,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:45:02,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:45:02,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:45:02,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:45:02,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:45:02,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:45:02,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:45:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:45:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:45:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:45:02,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:45:02,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 16:45:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:45:02,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:45:02,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:45:02,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:45:02,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:45:02,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:45:02,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:45:02,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:45:02,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:45:02,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:45:02,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:45:02,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:45:02,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 16:45:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:45:02,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:45:02,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:45:02,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:45:02,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:45:02,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:45:02,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:45:02,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:45:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:45:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:45:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:45:02,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:45:02,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 16:45:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:45:02,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:45:02,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:45:02,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:45:02,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:45:02,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:45:02,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:45:02,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:45:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:45:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:45:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:45:02,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:45:02,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 16:45:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:45:02,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:45:02,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:45:02,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:45:02,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:45:02,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:45:02,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:45:02,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:45:02,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:45:02,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:45:02,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:45:02,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:45:02,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 16:45:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:45:02,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:45:02,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:45:02,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:45:02,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:45:02,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:45:02,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 16:45:02,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:45:02,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:45:02,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:45:02,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:45:02,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:45:02,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0