/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-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 [2020-10-28 08:21:39,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 08:21:39,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 08:21:39,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 08:21:39,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 08:21:39,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 08:21:39,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 08:21:39,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 08:21:39,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 08:21:39,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 08:21:39,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 08:21:39,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 08:21:39,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 08:21:39,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 08:21:39,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 08:21:39,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 08:21:39,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 08:21:39,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 08:21:39,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 08:21:39,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 08:21:39,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 08:21:39,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 08:21:39,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 08:21:39,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 08:21:39,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 08:21:39,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 08:21:39,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 08:21:39,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 08:21:39,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 08:21:39,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 08:21:39,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 08:21:39,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 08:21:39,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 08:21:39,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 08:21:39,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 08:21:39,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 08:21:39,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 08:21:39,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 08:21:39,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 08:21:39,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 08:21:39,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 08:21:39,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 08:21:39,144 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 08:21:39,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 08:21:39,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 08:21:39,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 08:21:39,146 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 08:21:39,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 08:21:39,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 08:21:39,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 08:21:39,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 08:21:39,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 08:21:39,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 08:21:39,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 08:21:39,148 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 08:21:39,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 08:21:39,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 08:21:39,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 08:21:39,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 08:21:39,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 08:21:39,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 08:21:39,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 08:21:39,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 08:21:39,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 08:21:39,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 08:21:39,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 08:21:39,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 08:21:39,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 08:21:39,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 08:21:39,151 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 08:21:39,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 08:21:39,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 08:21:39,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 08:21:39,579 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 08:21:39,580 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 08:21:39,581 INFO L432 ainManager$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 [2020-10-28 08:21:39,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af206bcf7/155a2eeb0d8645c9812e120238992716/FLAG7e793d69c [2020-10-28 08:21:40,621 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 08:21:40,622 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 [2020-10-28 08:21:40,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af206bcf7/155a2eeb0d8645c9812e120238992716/FLAG7e793d69c [2020-10-28 08:21:41,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af206bcf7/155a2eeb0d8645c9812e120238992716 [2020-10-28 08:21:41,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 08:21:41,161 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 08:21:41,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 08:21:41,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 08:21:41,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 08:21:41,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:21:41" (1/1) ... [2020-10-28 08:21:41,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b14bea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:41, skipping insertion in model container [2020-10-28 08:21:41,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:21:41" (1/1) ... [2020-10-28 08:21:41,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 08:21:41,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 08:21:41,773 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2020-10-28 08:21:41,773 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] [2020-10-28 08:21:41,774 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] [2020-10-28 08:21:41,774 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] [2020-10-28 08:21:41,775 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2020-10-28 08:21:41,775 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] [2020-10-28 08:21:41,776 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2020-10-28 08:21:41,776 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] [2020-10-28 08:21:41,801 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2020-10-28 08:21:41,802 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2020-10-28 08:21:41,803 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2020-10-28 08:21:41,803 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2020-10-28 08:21:41,804 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] [2020-10-28 08:21:41,804 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2020-10-28 08:21:42,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:21:42,586 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 08:21:42,696 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2020-10-28 08:21:42,697 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] [2020-10-28 08:21:42,697 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] [2020-10-28 08:21:42,698 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] [2020-10-28 08:21:42,698 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2020-10-28 08:21:42,698 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] [2020-10-28 08:21:42,699 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2020-10-28 08:21:42,699 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] [2020-10-28 08:21:42,710 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2020-10-28 08:21:42,711 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2020-10-28 08:21:42,711 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2020-10-28 08:21:42,712 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2020-10-28 08:21:42,712 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] [2020-10-28 08:21:42,712 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2020-10-28 08:21:42,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:21:43,123 INFO L208 MainTranslator]: Completed translation [2020-10-28 08:21:43,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:43 WrapperNode [2020-10-28 08:21:43,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 08:21:43,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 08:21:43,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 08:21:43,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 08:21:43,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:43" (1/1) ... [2020-10-28 08:21:43,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:43" (1/1) ... [2020-10-28 08:21:43,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:43" (1/1) ... [2020-10-28 08:21:43,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:43" (1/1) ... [2020-10-28 08:21:43,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:43" (1/1) ... [2020-10-28 08:21:43,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:43" (1/1) ... [2020-10-28 08:21:43,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:43" (1/1) ... [2020-10-28 08:21:43,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 08:21:43,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 08:21:43,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 08:21:43,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 08:21:43,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 08:21:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 08:21:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 08:21:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-28 08:21:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 08:21:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-28 08:21:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-28 08:21:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-28 08:21:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_3 [2020-10-28 08:21:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-28 08:21:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-28 08:21:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-28 08:21:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-28 08:21:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 08:21:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-28 08:21:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 08:21:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 08:21:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 08:21:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 08:21:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 08:21:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 08:21:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 08:21:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 08:21:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 08:21:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 08:21:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 08:21:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-28 08:21:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-28 08:21:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-28 08:21:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2020-10-28 08:21:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2020-10-28 08:21:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-28 08:21:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-28 08:21:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 08:21:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-28 08:21:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-28 08:21:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-28 08:21:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_startup [2020-10-28 08:21:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_release [2020-10-28 08:21:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2020-10-28 08:21:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_open [2020-10-28 08:21:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_close [2020-10-28 08:21:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_read_int_callback [2020-10-28 08:21:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_callback [2020-10-28 08:21:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write [2020-10-28 08:21:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2020-10-28 08:21:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2020-10-28 08:21:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2020-10-28 08:21:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2020-10-28 08:21:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2020-10-28 08:21:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init [2020-10-28 08:21:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_exit [2020-10-28 08:21:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-28 08:21:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-28 08:21:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 08:21:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-28 08:21:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2020-10-28 08:21:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2020-10-28 08:21:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_tty_get_6 [2020-10-28 08:21:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_flip_buffer_push_7 [2020-10-28 08:21:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_get_baud_rate_8 [2020-10-28 08:21:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_encode_baud_rate_9 [2020-10-28 08:21:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2020-10-28 08:21:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-28 08:21:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 08:21:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-28 08:21:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2020-10-28 08:21:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2020-10-28 08:21:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-28 08:21:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-28 08:21:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 08:21:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-28 08:21:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 08:21:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 08:21:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2020-10-28 08:21:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-10-28 08:21:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-28 08:21:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-28 08:21:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 08:21:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-28 08:21:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-28 08:21:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-28 08:21:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-28 08:21:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-28 08:21:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-28 08:21:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 08:21:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 08:21:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 08:21:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 08:21:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 08:21:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2020-10-28 08:21:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 08:21:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-28 08:21:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-28 08:21:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-28 08:21:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-28 08:21:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 08:21:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 08:21:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 08:21:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 08:21:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 08:21:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 08:21:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 08:21:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 08:21:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 08:21:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 08:21:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 08:21:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 08:21:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-28 08:21:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-28 08:21:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-28 08:21:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-28 08:21:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-28 08:21:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-28 08:21:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-28 08:21:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-28 08:21:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-28 08:21:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_flip_buffer_push_7 [2020-10-28 08:21:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-28 08:21:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_get_baud_rate_8 [2020-10-28 08:21:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-28 08:21:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_encode_baud_rate_9 [2020-10-28 08:21:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-28 08:21:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_tty_get_6 [2020-10-28 08:21:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-28 08:21:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2020-10-28 08:21:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_3 [2020-10-28 08:21:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-28 08:21:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2020-10-28 08:21:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2020-10-28 08:21:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 08:21:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-28 08:21:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-28 08:21:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-28 08:21:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 08:21:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 08:21:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-28 08:21:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-28 08:21:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 08:21:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 08:21:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-28 08:21:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-28 08:21:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 08:21:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 08:21:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 08:21:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 08:21:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 08:21:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 08:21:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 08:21:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 08:21:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 08:21:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 08:21:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 08:21:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 08:21:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 08:21:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 08:21:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 08:21:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 08:21:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-28 08:21:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-28 08:21:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-28 08:21:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-28 08:21:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-28 08:21:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2020-10-28 08:21:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2020-10-28 08:21:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 08:21:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 08:21:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-28 08:21:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 08:21:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2020-10-28 08:21:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-28 08:21:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 08:21:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2020-10-28 08:21:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-28 08:21:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 08:21:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 08:21:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 08:21:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 08:21:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 08:21:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 08:21:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2020-10-28 08:21:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 08:21:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 08:21:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-28 08:21:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-28 08:21:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-28 08:21:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-28 08:21:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-28 08:21:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-28 08:21:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-28 08:21:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_startup [2020-10-28 08:21:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_release [2020-10-28 08:21:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_open [2020-10-28 08:21:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_close [2020-10-28 08:21:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write [2020-10-28 08:21:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2020-10-28 08:21:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2020-10-28 08:21:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2020-10-28 08:21:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2020-10-28 08:21:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_read_int_callback [2020-10-28 08:21:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_callback [2020-10-28 08:21:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2020-10-28 08:21:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2020-10-28 08:21:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 08:21:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 08:21:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init [2020-10-28 08:21:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_exit [2020-10-28 08:21:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-10-28 08:21:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2020-10-28 08:21:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 08:21:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 08:21:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 08:21:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-28 08:21:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-28 08:21:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 08:21:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 08:21:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 08:21:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 08:21:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 08:21:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 08:21:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 08:21:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 08:21:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 08:21:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 08:21:44,978 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 08:21:49,061 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-28 08:21:51,942 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 08:21:51,943 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 08:21:51,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:21:51 BoogieIcfgContainer [2020-10-28 08:21:51,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 08:21:51,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 08:21:51,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 08:21:51,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 08:21:51,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:21:41" (1/3) ... [2020-10-28 08:21:51,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ef1866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:21:51, skipping insertion in model container [2020-10-28 08:21:51,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:21:43" (2/3) ... [2020-10-28 08:21:51,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ef1866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:21:51, skipping insertion in model container [2020-10-28 08:21:51,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:21:51" (3/3) ... [2020-10-28 08:21:51,966 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2020-10-28 08:21:51,978 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 08:21:51,985 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 08:21:51,997 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 08:21:52,031 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 08:21:52,031 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 08:21:52,032 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 08:21:52,032 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 08:21:52,032 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 08:21:52,032 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 08:21:52,032 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 08:21:52,033 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 08:21:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states. [2020-10-28 08:21:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-28 08:21:52,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:21:52,107 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] [2020-10-28 08:21:52,108 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:21:52,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:21:52,124 INFO L82 PathProgramCache]: Analyzing trace with hash 2050874193, now seen corresponding path program 1 times [2020-10-28 08:21:52,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:21:52,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029424246] [2020-10-28 08:21:52,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:21:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:21:52,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:21:53,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:21:53,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:21:58,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:21:58,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 08:21:58,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 08:21:58,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5464 [2020-10-28 08:21:58,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:21:58,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:21:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 08:21:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 08:21:58,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 08:22:02,117 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-28 08:22:02,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:22:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:02,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:02,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:02,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:22:02,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:02,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-28 08:22:02,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:02,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:02,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:02,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:02,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:02,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:22:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:02,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:02,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:02,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:22:02,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:02,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:22:02,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:02,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:02,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:22:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:02,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:02,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:02,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:22:02,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:02,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:22:02,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:02,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:02,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:02,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:02,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:02,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 08:22:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:02,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:02,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:02,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:22:02,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:02,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 08:22:02,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:02,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:02,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:02,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:02,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:02,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 08:22:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:02,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:02,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:02,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:22:02,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:22:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:02,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:02,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 08:22:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:02,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:02,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:02,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:02,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:22:02,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:22:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-28 08:22:02,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:02,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:22:02,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 08:22:02,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:22:02,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:03,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:22:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:03,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:03,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:03,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:22:03,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:03,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 08:22:03,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:03,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 08:22:03,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:03,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:22:03,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:03,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 08:22:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:03,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:03,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:03,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:22:03,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:03,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 08:22:03,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 08:22:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:03,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:03,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:22:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:03,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:03,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:03,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:22:03,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:03,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 08:22:03,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:03,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:03,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:22:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:03,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:03,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:03,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:22:03,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:03,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:22:03,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:03,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:03,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:03,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:03,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-28 08:22:03,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029424246] [2020-10-28 08:22:03,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 08:22:03,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 08:22:03,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997813797] [2020-10-28 08:22:03,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 08:22:03,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:22:03,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 08:22:03,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 08:22:03,327 INFO L87 Difference]: Start difference. First operand 865 states. Second operand 10 states. [2020-10-28 08:22:06,569 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-28 08:22:13,584 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-28 08:22:17,110 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification that was a NOOP. DAG size: 734 [2020-10-28 08:22:21,530 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification that was a NOOP. DAG size: 743 [2020-10-28 08:22:25,065 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification that was a NOOP. DAG size: 741 [2020-10-28 08:22:28,577 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 735 [2020-10-28 08:22:34,558 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 732 [2020-10-28 08:22:41,196 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification that was a NOOP. DAG size: 740 [2020-10-28 08:23:17,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:23:17,905 INFO L93 Difference]: Finished difference Result 2136 states and 3070 transitions. [2020-10-28 08:23:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 08:23:17,908 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-10-28 08:23:17,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:23:17,939 INFO L225 Difference]: With dead ends: 2136 [2020-10-28 08:23:17,939 INFO L226 Difference]: Without dead ends: 1223 [2020-10-28 08:23:17,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 30.5s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2020-10-28 08:23:17,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-10-28 08:23:18,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 882. [2020-10-28 08:23:18,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-10-28 08:23:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1165 transitions. [2020-10-28 08:23:18,430 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1165 transitions. Word has length 83 [2020-10-28 08:23:18,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:23:18,430 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1165 transitions. [2020-10-28 08:23:18,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 08:23:18,430 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1165 transitions. [2020-10-28 08:23:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-28 08:23:18,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:23:18,444 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] [2020-10-28 08:23:18,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 08:23:18,445 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:23:18,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:23:18,445 INFO L82 PathProgramCache]: Analyzing trace with hash 2112060026, now seen corresponding path program 1 times [2020-10-28 08:23:18,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:23:18,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317135912] [2020-10-28 08:23:18,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:23:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:18,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:19,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:23,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:23,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-28 08:23:23,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:23:23,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5243 [2020-10-28 08:23:23,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:23:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-28 08:23:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 08:23:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:27,219 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-28 08:23:27,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:23:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:27,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:27,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:27,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:27,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-10-28 08:23:27,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:27,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:23:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:27,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:27,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:27,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:27,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:23:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:27,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:23:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:27,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:27,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:27,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:27,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:27,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:23:27,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:27,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:27,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 08:23:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:27,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:27,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:27,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:27,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:23:27,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:27,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 08:23:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:27,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:27,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:27,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:27,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:27,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:23:27,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:27,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 08:23:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:27,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:27,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:27,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 08:23:27,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:27,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 08:23:27,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:27,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:27,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:23:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:27,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:27,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:27,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:23:27,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:27,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 08:23:27,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:27,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:27,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:23:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:27,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:27,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:27,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:27,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:23:27,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:27,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:27,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:27,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:27,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:27,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 08:23:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:27,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:27,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:27,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:23:27,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:27,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 08:23:27,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:27,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:27,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:27,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:27,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:27,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:27,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:27,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:27,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:27,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:27,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:23:27,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:27,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:28,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 08:23:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:28,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:28,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:28,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 08:23:28,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 08:23:28,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:23:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 08:23:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:28,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:28,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:28,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:28,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:28,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:28,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:23:28,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:28,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 08:23:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:28,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:28,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:28,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:28,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:28,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:23:28,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:28,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:28,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:28,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:28,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:28,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 08:23:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:28,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:28,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:28,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:28,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:28,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:23:28,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:28,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:28,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 08:23:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:28,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:28,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:28,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:28,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:28,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:23:28,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:28,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:28,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 08:23:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:28,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:28,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:23:28,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:28,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 08:23:28,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:28,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 08:23:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:28,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:28,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:28,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:28,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:28,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:23:28,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:28,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:23:28,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:28,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:28,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:28,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:28,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:28,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:28,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:28,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:23:28,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:28,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-28 08:23:28,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317135912] [2020-10-28 08:23:28,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:23:28,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 08:23:28,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461866104] [2020-10-28 08:23:28,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 08:23:28,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:23:28,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 08:23:28,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 08:23:28,323 INFO L87 Difference]: Start difference. First operand 882 states and 1165 transitions. Second operand 9 states. [2020-10-28 08:23:31,555 WARN L193 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-28 08:23:40,954 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification that was a NOOP. DAG size: 735 [2020-10-28 08:23:44,479 WARN L193 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 732 [2020-10-28 08:24:05,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:24:05,783 INFO L93 Difference]: Finished difference Result 2503 states and 3442 transitions. [2020-10-28 08:24:05,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 08:24:05,785 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2020-10-28 08:24:05,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:24:05,799 INFO L225 Difference]: With dead ends: 2503 [2020-10-28 08:24:05,799 INFO L226 Difference]: Without dead ends: 1663 [2020-10-28 08:24:05,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2020-10-28 08:24:05,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2020-10-28 08:24:06,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1221. [2020-10-28 08:24:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1221 states. [2020-10-28 08:24:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1611 transitions. [2020-10-28 08:24:06,214 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1611 transitions. Word has length 140 [2020-10-28 08:24:06,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:24:06,215 INFO L481 AbstractCegarLoop]: Abstraction has 1221 states and 1611 transitions. [2020-10-28 08:24:06,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 08:24:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1611 transitions. [2020-10-28 08:24:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-28 08:24:06,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:24:06,219 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] [2020-10-28 08:24:06,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 08:24:06,220 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:24:06,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:24:06,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1677821858, now seen corresponding path program 1 times [2020-10-28 08:24:06,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:24:06,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542002218] [2020-10-28 08:24:06,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:24:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:06,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:07,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:08,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:11,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:11,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-28 08:24:11,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 08:24:11,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5320 [2020-10-28 08:24:11,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:11,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:24:11,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-28 08:24:11,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 08:24:11,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:15,181 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-28 08:24:15,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:24:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:15,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:15,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:15,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:15,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:15,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-28 08:24:15,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:15,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:15,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:15,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:15,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:15,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:24:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:15,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:15,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:15,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:15,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:15,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:24:15,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:15,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:15,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:15,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:15,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:15,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:24:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:15,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:15,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:15,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:15,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:15,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:24:15,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:15,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:15,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:15,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 08:24:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:15,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:15,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:15,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:15,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:24:15,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:15,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:15,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 08:24:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:15,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:15,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:15,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:15,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:15,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 08:24:15,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:15,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:15,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:15,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:15,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:15,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 08:24:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:15,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:15,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:15,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 08:24:15,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:15,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 08:24:15,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:15,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:24:16,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:24:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:24:16,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 08:24:16,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:16,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:24:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:16,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:24:16,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:24:16,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 08:24:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:24:16,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 08:24:16,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:16,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:24:16,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:24:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 08:24:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 08:24:16,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 08:24:16,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:16,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:16,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:24:16,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:16,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 08:24:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:16,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:24:16,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:24:16,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 08:24:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:16,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 08:24:16,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:24:16,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 08:24:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:16,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 08:24:16,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:24:16,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 08:24:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:24:16,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 08:24:16,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:24:16,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:24:16,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 08:24:16,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:24:16,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:16,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:16,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:16,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:16,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:16,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:24:16,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:16,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:16,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:16,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:16,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:24:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-28 08:24:16,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542002218] [2020-10-28 08:24:16,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:24:16,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 08:24:16,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319318195] [2020-10-28 08:24:16,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 08:24:16,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:24:16,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 08:24:16,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 08:24:16,508 INFO L87 Difference]: Start difference. First operand 1221 states and 1611 transitions. Second operand 9 states. [2020-10-28 08:24:19,778 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-28 08:24:33,202 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification that was a NOOP. DAG size: 734 [2020-10-28 08:25:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:25:01,394 INFO L93 Difference]: Finished difference Result 2843 states and 3870 transitions. [2020-10-28 08:25:01,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 08:25:01,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 138 [2020-10-28 08:25:01,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:25:01,408 INFO L225 Difference]: With dead ends: 2843 [2020-10-28 08:25:01,408 INFO L226 Difference]: Without dead ends: 1664 [2020-10-28 08:25:01,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-10-28 08:25:01,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2020-10-28 08:25:01,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1222. [2020-10-28 08:25:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2020-10-28 08:25:01,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1612 transitions. [2020-10-28 08:25:01,736 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1612 transitions. Word has length 138 [2020-10-28 08:25:01,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:25:01,737 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 1612 transitions. [2020-10-28 08:25:01,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 08:25:01,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1612 transitions. [2020-10-28 08:25:01,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-28 08:25:01,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:25:01,741 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] [2020-10-28 08:25:01,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 08:25:01,741 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:25:01,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:25:01,742 INFO L82 PathProgramCache]: Analyzing trace with hash -976757280, now seen corresponding path program 1 times [2020-10-28 08:25:01,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:25:01,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033805567] [2020-10-28 08:25:01,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:25:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:01,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:02,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:03,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:07,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:07,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-28 08:25:07,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 08:25:07,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5155 [2020-10-28 08:25:07,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:25:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-28 08:25:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 08:25:07,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:10,582 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-28 08:25:10,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:25:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:10,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:25:11,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-10-28 08:25:11,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:25:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:25:11,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:25:11,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:25:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:25:11,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:25:11,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 08:25:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:25:11,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:25:11,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 08:25:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:25:11,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:25:11,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 08:25:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 08:25:11,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 08:25:11,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:25:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:25:11,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 08:25:11,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:25:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:25:11,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:25:11,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 08:25:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:25:11,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 08:25:11,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:25:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 08:25:11,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:25:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:25:11,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 08:25:11,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 08:25:11,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 08:25:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 08:25:11,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 08:25:11,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-28 08:25:11,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:25:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:25:11,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:25:11,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 08:25:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:25:11,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:25:11,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 08:25:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:25:11,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:25:11,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 08:25:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:25:11,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:25:11,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 08:25:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:25:11,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 08:25:11,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 08:25:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:25:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:25:11,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:25:11,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:25:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:25:11,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:25:11,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:25:11,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:25:11,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:25:11,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:25:11,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:25:11,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:25:11,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:25:11,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:25:11,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:25:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-28 08:25:11,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033805567] [2020-10-28 08:25:11,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:25:11,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 08:25:11,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037119407] [2020-10-28 08:25:11,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 08:25:11,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:25:11,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 08:25:11,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-28 08:25:11,788 INFO L87 Difference]: Start difference. First operand 1222 states and 1612 transitions. Second operand 12 states. [2020-10-28 08:25:15,135 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification that was a NOOP. DAG size: 733