/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-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 21:46:29,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 21:46:29,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 21:46:29,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 21:46:29,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 21:46:29,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 21:46:29,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 21:46:29,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 21:46:29,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 21:46:29,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 21:46:29,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 21:46:29,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 21:46:29,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 21:46:29,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 21:46:29,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 21:46:29,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 21:46:29,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 21:46:29,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 21:46:29,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 21:46:29,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 21:46:29,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 21:46:29,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 21:46:29,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 21:46:29,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 21:46:29,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 21:46:29,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 21:46:29,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 21:46:29,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 21:46:29,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 21:46:29,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 21:46:29,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 21:46:29,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 21:46:29,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 21:46:29,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 21:46:29,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 21:46:29,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 21:46:29,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 21:46:29,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 21:46:29,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 21:46:29,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 21:46:29,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 21:46:30,000 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 21:46:30,048 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 21:46:30,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 21:46:30,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 21:46:30,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 21:46:30,053 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 21:46:30,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 21:46:30,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 21:46:30,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 21:46:30,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 21:46:30,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 21:46:30,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 21:46:30,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 21:46:30,056 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 21:46:30,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 21:46:30,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 21:46:30,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 21:46:30,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 21:46:30,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 21:46:30,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 21:46:30,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 21:46:30,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 21:46:30,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 21:46:30,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 21:46:30,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 21:46:30,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 21:46:30,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 21:46:30,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 21:46:30,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 21:46:30,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 21:46:30,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 21:46:30,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 21:46:30,565 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 21:46:30,566 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 21:46:30,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2020-10-29 21:46:30,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a93b3b1b1/6a2f9ee2a08243f1a708916ff48b075b/FLAGc13c58235 [2020-10-29 21:46:31,563 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 21:46:31,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2020-10-29 21:46:31,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a93b3b1b1/6a2f9ee2a08243f1a708916ff48b075b/FLAGc13c58235 [2020-10-29 21:46:32,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a93b3b1b1/6a2f9ee2a08243f1a708916ff48b075b [2020-10-29 21:46:32,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 21:46:32,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 21:46:32,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 21:46:32,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 21:46:32,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 21:46:32,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:46:32" (1/1) ... [2020-10-29 21:46:32,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e002cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:32, skipping insertion in model container [2020-10-29 21:46:32,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:46:32" (1/1) ... [2020-10-29 21:46:32,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 21:46:32,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 21:46:32,748 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2020-10-29 21:46:32,749 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2020-10-29 21:46:32,749 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2020-10-29 21:46:32,750 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2020-10-29 21:46:32,750 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2020-10-29 21:46:32,751 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2020-10-29 21:46:32,751 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2020-10-29 21:46:32,752 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2020-10-29 21:46:32,766 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2020-10-29 21:46:32,766 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2020-10-29 21:46:32,767 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2020-10-29 21:46:32,767 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2020-10-29 21:46:32,768 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2020-10-29 21:46:32,768 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2020-10-29 21:46:33,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:46:33,527 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 21:46:33,677 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2020-10-29 21:46:33,678 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2020-10-29 21:46:33,678 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2020-10-29 21:46:33,679 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2020-10-29 21:46:33,680 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2020-10-29 21:46:33,680 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2020-10-29 21:46:33,680 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2020-10-29 21:46:33,681 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2020-10-29 21:46:33,690 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2020-10-29 21:46:33,691 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2020-10-29 21:46:33,691 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2020-10-29 21:46:33,692 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2020-10-29 21:46:33,692 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2020-10-29 21:46:33,693 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2020-10-29 21:46:33,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:46:34,074 INFO L208 MainTranslator]: Completed translation [2020-10-29 21:46:34,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:34 WrapperNode [2020-10-29 21:46:34,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 21:46:34,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 21:46:34,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 21:46:34,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 21:46:34,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:34" (1/1) ... [2020-10-29 21:46:34,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:34" (1/1) ... [2020-10-29 21:46:34,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:34" (1/1) ... [2020-10-29 21:46:34,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:34" (1/1) ... [2020-10-29 21:46:34,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:34" (1/1) ... [2020-10-29 21:46:34,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:34" (1/1) ... [2020-10-29 21:46:34,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:34" (1/1) ... [2020-10-29 21:46:34,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 21:46:34,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 21:46:34,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 21:46:34,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 21:46:34,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:34" (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 21:46:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 21:46:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 21:46:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-29 21:46:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 21:46:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-29 21:46:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-29 21:46:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-29 21:46:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_3 [2020-10-29 21:46:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-29 21:46:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-29 21:46:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-29 21:46:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-29 21:46:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 21:46:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-29 21:46:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 21:46:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 21:46:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 21:46:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 21:46:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 21:46:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 21:46:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 21:46:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 21:46:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 21:46:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 21:46:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 21:46:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-29 21:46:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-29 21:46:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-29 21:46:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2020-10-29 21:46:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2020-10-29 21:46:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-29 21:46:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-29 21:46:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-29 21:46:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-29 21:46:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-29 21:46:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-29 21:46:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_startup [2020-10-29 21:46:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_release [2020-10-29 21:46:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2020-10-29 21:46:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_open [2020-10-29 21:46:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_close [2020-10-29 21:46:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_read_int_callback [2020-10-29 21:46:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_callback [2020-10-29 21:46:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write [2020-10-29 21:46:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2020-10-29 21:46:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2020-10-29 21:46:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2020-10-29 21:46:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2020-10-29 21:46:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2020-10-29 21:46:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init [2020-10-29 21:46:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_exit [2020-10-29 21:46:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-29 21:46:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-29 21:46:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 21:46:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-29 21:46:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2020-10-29 21:46:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2020-10-29 21:46:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_tty_get_6 [2020-10-29 21:46:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_flip_buffer_push_7 [2020-10-29 21:46:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_get_baud_rate_8 [2020-10-29 21:46:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_encode_baud_rate_9 [2020-10-29 21:46:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2020-10-29 21:46:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-29 21:46:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 21:46:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-29 21:46:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2020-10-29 21:46:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2020-10-29 21:46:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-29 21:46:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-29 21:46:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 21:46:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-29 21:46:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 21:46:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 21:46:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2020-10-29 21:46:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-10-29 21:46:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-29 21:46:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-29 21:46:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 21:46:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-29 21:46:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-29 21:46:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-29 21:46:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-29 21:46:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-29 21:46:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-29 21:46:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-29 21:46:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-29 21:46:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-29 21:46:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-29 21:46:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-29 21:46:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2020-10-29 21:46:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-29 21:46:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-29 21:46:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-29 21:46:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-29 21:46:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-29 21:46:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-29 21:46:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 21:46:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 21:46:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 21:46:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 21:46:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 21:46:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 21:46:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 21:46:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 21:46:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 21:46:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 21:46:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 21:46:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-29 21:46:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-29 21:46:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-29 21:46:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-29 21:46:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-29 21:46:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-29 21:46:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-29 21:46:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-29 21:46:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-29 21:46:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_flip_buffer_push_7 [2020-10-29 21:46:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-29 21:46:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_get_baud_rate_8 [2020-10-29 21:46:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-29 21:46:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_encode_baud_rate_9 [2020-10-29 21:46:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-29 21:46:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_tty_get_6 [2020-10-29 21:46:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-29 21:46:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2020-10-29 21:46:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_3 [2020-10-29 21:46:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-29 21:46:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2020-10-29 21:46:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2020-10-29 21:46:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 21:46:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-29 21:46:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-29 21:46:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-29 21:46:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 21:46:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 21:46:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-29 21:46:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-29 21:46:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 21:46:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 21:46:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-29 21:46:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-29 21:46:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 21:46:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 21:46:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 21:46:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 21:46:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 21:46:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 21:46:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 21:46:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 21:46:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 21:46:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 21:46:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 21:46:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 21:46:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 21:46:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 21:46:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 21:46:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 21:46:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-29 21:46:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-29 21:46:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-29 21:46:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-29 21:46:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-29 21:46:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2020-10-29 21:46:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2020-10-29 21:46:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 21:46:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 21:46:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-29 21:46:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-29 21:46:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2020-10-29 21:46:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-29 21:46:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-29 21:46:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2020-10-29 21:46:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-29 21:46:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 21:46:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 21:46:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-29 21:46:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-29 21:46:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-29 21:46:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-29 21:46:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2020-10-29 21:46:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-29 21:46:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-29 21:46:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-29 21:46:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-29 21:46:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-29 21:46:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-29 21:46:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-29 21:46:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-29 21:46:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-29 21:46:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_startup [2020-10-29 21:46:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_release [2020-10-29 21:46:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_open [2020-10-29 21:46:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_close [2020-10-29 21:46:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write [2020-10-29 21:46:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2020-10-29 21:46:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2020-10-29 21:46:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2020-10-29 21:46:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2020-10-29 21:46:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_read_int_callback [2020-10-29 21:46:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_callback [2020-10-29 21:46:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2020-10-29 21:46:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2020-10-29 21:46:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 21:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 21:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init [2020-10-29 21:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_exit [2020-10-29 21:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-10-29 21:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2020-10-29 21:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 21:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 21:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 21:46:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-29 21:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-29 21:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 21:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 21:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 21:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 21:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 21:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 21:46:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 21:46:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 21:46:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 21:46:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 21:46:35,615 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 21:46:39,696 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-29 21:46:43,003 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 21:46:43,004 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 21:46:43,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:46:43 BoogieIcfgContainer [2020-10-29 21:46:43,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 21:46:43,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 21:46:43,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 21:46:43,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 21:46:43,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:46:32" (1/3) ... [2020-10-29 21:46:43,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270fbb01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:46:43, skipping insertion in model container [2020-10-29 21:46:43,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:34" (2/3) ... [2020-10-29 21:46:43,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270fbb01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:46:43, skipping insertion in model container [2020-10-29 21:46:43,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:46:43" (3/3) ... [2020-10-29 21:46:43,026 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2020-10-29 21:46:43,043 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 21:46:43,051 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 21:46:43,067 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 21:46:43,115 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 21:46:43,116 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 21:46:43,116 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 21:46:43,116 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 21:46:43,123 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 21:46:43,123 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 21:46:43,123 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 21:46:43,123 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 21:46:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states. [2020-10-29 21:46:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-29 21:46:43,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:46:43,210 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 21:46:43,211 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:46:43,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:46:43,219 INFO L82 PathProgramCache]: Analyzing trace with hash 2050874193, now seen corresponding path program 1 times [2020-10-29 21:46:43,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:46:43,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977999925] [2020-10-29 21:46:43,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:46:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:43,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:44,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:44,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:49,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:49,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 21:46:49,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 21:46:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5430 [2020-10-29 21:46:49,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:49,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:46:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-29 21:46:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 21:46:49,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 21:46:52,857 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-29 21:46:52,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:46:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:52,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:53,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:53,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:46:53,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:53,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-29 21:46:53,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:53,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:53,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:46:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:53,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:53,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:53,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:46:53,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:53,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:46:53,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:53,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:53,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:53,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:53,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:53,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 21:46:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:53,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:53,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:53,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:46:53,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:53,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:46:53,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:53,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:53,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 21:46:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:53,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:53,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:53,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:46:53,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:53,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:46:53,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:53,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:53,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:53,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:53,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:53,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:53,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 21:46:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:53,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:53,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:53,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:46:53,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:53,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:46:53,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:53,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:53,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 21:46:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:53,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:53,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:53,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:53,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:46:53,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:46:53,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-29 21:46:53,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:53,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 21:46:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 21:46:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 21:46:53,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 21:46:53,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:46:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:53,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:53,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:53,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:46:53,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:53,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 21:46:53,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:53,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 21:46:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 21:46:53,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 21:46:53,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 21:46:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:53,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:53,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:53,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:46:53,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:53,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 21:46:53,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:53,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:53,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:53,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 21:46:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:53,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:46:53,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:46:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:53,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:54,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:54,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:46:54,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:54,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 21:46:54,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:54,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:46:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:46:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:54,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:54,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:54,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:46:54,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:54,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 21:46:54,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:54,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-29 21:46:54,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977999925] [2020-10-29 21:46:54,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 21:46:54,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 21:46:54,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161937085] [2020-10-29 21:46:54,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 21:46:54,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:46:54,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 21:46:54,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-29 21:46:54,199 INFO L87 Difference]: Start difference. First operand 865 states. Second operand 10 states. [2020-10-29 21:46:57,752 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-29 21:47:07,962 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-29 21:47:11,867 WARN L193 SmtUtils]: Spent 3.58 s on a formula simplification that was a NOOP. DAG size: 734 [2020-10-29 21:47:16,678 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification that was a NOOP. DAG size: 743 [2020-10-29 21:47:20,561 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification that was a NOOP. DAG size: 741 [2020-10-29 21:47:24,505 WARN L193 SmtUtils]: Spent 3.54 s on a formula simplification that was a NOOP. DAG size: 735 [2020-10-29 21:47:30,932 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification that was a NOOP. DAG size: 732 [2020-10-29 21:47:38,324 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification that was a NOOP. DAG size: 740 [2020-10-29 21:48:08,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:48:08,386 INFO L93 Difference]: Finished difference Result 2136 states and 3070 transitions. [2020-10-29 21:48:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 21:48:08,389 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-10-29 21:48:08,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:48:08,435 INFO L225 Difference]: With dead ends: 2136 [2020-10-29 21:48:08,435 INFO L226 Difference]: Without dead ends: 1223 [2020-10-29 21:48:08,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2020-10-29 21:48:08,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-10-29 21:48:08,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 882. [2020-10-29 21:48:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-10-29 21:48:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1165 transitions. [2020-10-29 21:48:08,897 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1165 transitions. Word has length 83 [2020-10-29 21:48:08,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:48:08,898 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1165 transitions. [2020-10-29 21:48:08,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 21:48:08,898 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1165 transitions. [2020-10-29 21:48:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-29 21:48:08,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:48:08,907 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:48:08,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 21:48:08,907 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:48:08,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:48:08,908 INFO L82 PathProgramCache]: Analyzing trace with hash 2112060026, now seen corresponding path program 1 times [2020-10-29 21:48:08,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:48:08,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964250566] [2020-10-29 21:48:08,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:48:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:09,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:09,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:14,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:14,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-29 21:48:14,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:48:14,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5485 [2020-10-29 21:48:14,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:14,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:48:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-29 21:48:14,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 21:48:14,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:18,219 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-29 21:48:18,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:48:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:18,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:18,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:18,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:48:18,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:18,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 579 [2020-10-29 21:48:18,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:18,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:18,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:18,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:18,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:18,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:18,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:48:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:18,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:18,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:18,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:18,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:48:18,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:18,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:18,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:18,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 21:48:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:18,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:18,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:18,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:18,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:18,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:48:18,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:18,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:18,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:18,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 21:48:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:18,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:18,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:18,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:18,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:18,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:48:18,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:18,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:18,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:18,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 21:48:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:18,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:18,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:18,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:18,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:48:18,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:18,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:18,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:18,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:19,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 21:48:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 21:48:19,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 21:48:19,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:19,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:48:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:48:19,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 21:48:19,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:19,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 21:48:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:19,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:48:19,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:19,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 21:48:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:48:19,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 21:48:19,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:48:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:48:19,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:48:19,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:19,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 21:48:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 21:48:19,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 21:48:19,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:48:19,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 21:48:19,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:19,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:48:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:19,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:48:19,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:19,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 21:48:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:19,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:48:19,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 21:48:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:19,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:48:19,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:19,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 21:48:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:19,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:48:19,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:19,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 21:48:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:48:19,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 21:48:19,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 21:48:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:19,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:48:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:48:19,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 21:48:19,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:19,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:48:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:19,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:19,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:19,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:19,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:19,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:48:19,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:19,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-29 21:48:19,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964250566] [2020-10-29 21:48:19,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 21:48:19,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 21:48:19,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503106814] [2020-10-29 21:48:19,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 21:48:19,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:48:19,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 21:48:19,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 21:48:19,621 INFO L87 Difference]: Start difference. First operand 882 states and 1165 transitions. Second operand 9 states. [2020-10-29 21:48:23,096 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-29 21:48:31,969 WARN L193 SmtUtils]: Spent 3.56 s on a formula simplification that was a NOOP. DAG size: 735 [2020-10-29 21:48:35,849 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification that was a NOOP. DAG size: 732 [2020-10-29 21:48:59,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:48:59,250 INFO L93 Difference]: Finished difference Result 2503 states and 3442 transitions. [2020-10-29 21:48:59,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 21:48:59,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2020-10-29 21:48:59,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:48:59,266 INFO L225 Difference]: With dead ends: 2503 [2020-10-29 21:48:59,266 INFO L226 Difference]: Without dead ends: 1663 [2020-10-29 21:48:59,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2020-10-29 21:48:59,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2020-10-29 21:48:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1221. [2020-10-29 21:48:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1221 states. [2020-10-29 21:48:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1611 transitions. [2020-10-29 21:48:59,711 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1611 transitions. Word has length 140 [2020-10-29 21:48:59,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:48:59,712 INFO L481 AbstractCegarLoop]: Abstraction has 1221 states and 1611 transitions. [2020-10-29 21:48:59,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 21:48:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1611 transitions. [2020-10-29 21:48:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-29 21:48:59,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:48:59,718 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:48:59,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 21:48:59,719 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:48:59,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:48:59,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1677821858, now seen corresponding path program 1 times [2020-10-29 21:48:59,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:48:59,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509533231] [2020-10-29 21:48:59,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:48:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:01,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:05,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:05,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-29 21:49:05,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 21:49:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5092 [2020-10-29 21:49:05,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:05,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:49:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-29 21:49:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 21:49:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:08,625 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-29 21:49:08,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:49:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:08,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:49:09,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-10-29 21:49:09,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:09,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:49:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:09,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:49:09,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:49:09,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 21:49:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:09,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:49:09,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:09,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 21:49:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:09,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:49:09,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:09,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 21:49:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:09,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:49:09,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:09,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 21:49:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 21:49:09,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 21:49:09,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:09,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:49:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:49:09,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 21:49:09,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:49:09,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 21:49:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:09,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:49:09,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:49:09,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 21:49:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:49:09,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 21:49:09,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 21:49:09,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 21:49:09,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:49:09,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:49:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:49:09,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:49:09,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:49:09,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 21:49:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 21:49:09,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 21:49:09,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-29 21:49:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:49:09,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:49:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:09,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:49:09,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:09,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 21:49:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:09,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:49:09,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:09,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 21:49:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:09,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:49:09,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:09,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 21:49:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:09,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:49:09,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:49:09,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 21:49:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:49:09,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 21:49:09,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 21:49:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:49:09,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:49:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:49:09,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:49:09,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:49:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:09,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:09,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:09,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:09,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:09,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:49:09,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:09,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:09,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:09,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:09,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:09,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:49:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-29 21:49:09,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509533231] [2020-10-29 21:49:09,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 21:49:09,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 21:49:09,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332737796] [2020-10-29 21:49:09,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 21:49:09,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:49:09,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 21:49:09,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-29 21:49:09,853 INFO L87 Difference]: Start difference. First operand 1221 states and 1611 transitions. Second operand 12 states. [2020-10-29 21:49:13,643 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-29 21:49:28,985 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-29 21:49:32,746 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification that was a NOOP. DAG size: 740 [2020-10-29 21:49:37,704 WARN L193 SmtUtils]: Spent 3.59 s on a formula simplification that was a NOOP. DAG size: 736 [2020-10-29 21:49:41,664 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification that was a NOOP. DAG size: 739 [2020-10-29 21:49:45,357 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification that was a NOOP. DAG size: 742 [2020-10-29 21:49:49,543 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification that was a NOOP. DAG size: 733