/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -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 0.1.25-adbd35c [2020-10-15 11:53:45,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 11:53:45,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 11:53:45,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 11:53:45,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 11:53:45,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 11:53:45,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 11:53:45,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 11:53:45,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 11:53:45,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 11:53:45,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 11:53:45,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 11:53:45,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 11:53:45,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 11:53:45,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 11:53:45,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 11:53:45,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 11:53:45,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 11:53:45,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 11:53:45,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 11:53:45,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 11:53:45,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 11:53:45,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 11:53:45,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 11:53:45,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 11:53:45,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 11:53:45,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 11:53:45,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 11:53:45,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 11:53:45,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 11:53:45,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 11:53:45,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 11:53:45,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 11:53:45,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 11:53:45,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 11:53:45,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 11:53:45,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 11:53:45,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 11:53:45,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 11:53:45,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 11:53:45,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 11:53:45,862 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 [2020-10-15 11:53:45,907 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 11:53:45,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 11:53:45,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 11:53:45,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 11:53:45,909 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 11:53:45,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 11:53:45,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 11:53:45,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 11:53:45,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 11:53:45,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 11:53:45,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 11:53:45,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 11:53:45,911 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 11:53:45,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 11:53:45,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 11:53:45,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 11:53:45,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 11:53:45,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 11:53:45,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 11:53:45,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 11:53:45,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 11:53:45,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 11:53:45,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 11:53:45,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 11:53:45,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 11:53:45,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 11:53:45,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 11:53:45,916 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 11:53:46,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 11:53:46,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 11:53:46,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 11:53:46,268 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 11:53:46,268 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 11:53:46,269 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2020-10-15 11:53:46,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ebae3229/a255693633b94f1db6279acdb438c49f/FLAG03e9e0443 [2020-10-15 11:53:47,083 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 11:53:47,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2020-10-15 11:53:47,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ebae3229/a255693633b94f1db6279acdb438c49f/FLAG03e9e0443 [2020-10-15 11:53:47,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ebae3229/a255693633b94f1db6279acdb438c49f [2020-10-15 11:53:47,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 11:53:47,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 11:53:47,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 11:53:47,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 11:53:47,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 11:53:47,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:53:47" (1/1) ... [2020-10-15 11:53:47,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66434035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:47, skipping insertion in model container [2020-10-15 11:53:47,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:53:47" (1/1) ... [2020-10-15 11:53:47,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 11:53:47,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 11:53:47,867 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3496] [2020-10-15 11:53:47,867 WARN L1191 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 ) [3498-3499] [2020-10-15 11:53:47,868 WARN L1191 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 ) [3500-3502] [2020-10-15 11:53:47,868 WARN L1191 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 ) [3503-3504] [2020-10-15 11:53:47,869 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3505] [2020-10-15 11:53:47,869 WARN L1191 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 * ) [3511-3512] [2020-10-15 11:53:47,870 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3513] [2020-10-15 11:53:47,870 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3516] [2020-10-15 11:53:47,884 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3929] [2020-10-15 11:53:47,885 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3930] [2020-10-15 11:53:47,886 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3931] [2020-10-15 11:53:47,886 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3932] [2020-10-15 11:53:47,887 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3933] [2020-10-15 11:53:47,887 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3934] [2020-10-15 11:53:48,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 11:53:48,577 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 11:53:48,687 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3496] [2020-10-15 11:53:48,688 WARN L1191 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 ) [3498-3499] [2020-10-15 11:53:48,689 WARN L1191 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 ) [3500-3502] [2020-10-15 11:53:48,690 WARN L1191 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 ) [3503-3504] [2020-10-15 11:53:48,690 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3505] [2020-10-15 11:53:48,691 WARN L1191 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 * ) [3511-3512] [2020-10-15 11:53:48,691 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3513] [2020-10-15 11:53:48,692 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3516] [2020-10-15 11:53:48,702 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3929] [2020-10-15 11:53:48,703 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3930] [2020-10-15 11:53:48,703 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3931] [2020-10-15 11:53:48,704 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3932] [2020-10-15 11:53:48,704 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3933] [2020-10-15 11:53:48,704 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3934] [2020-10-15 11:53:48,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 11:53:49,104 INFO L208 MainTranslator]: Completed translation [2020-10-15 11:53:49,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:49 WrapperNode [2020-10-15 11:53:49,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 11:53:49,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 11:53:49,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 11:53:49,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 11:53:49,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:49" (1/1) ... [2020-10-15 11:53:49,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:49" (1/1) ... [2020-10-15 11:53:49,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:49" (1/1) ... [2020-10-15 11:53:49,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:49" (1/1) ... [2020-10-15 11:53:49,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:49" (1/1) ... [2020-10-15 11:53:49,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:49" (1/1) ... [2020-10-15 11:53:49,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:49" (1/1) ... [2020-10-15 11:53:49,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 11:53:49,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 11:53:49,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 11:53:49,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 11:53:49,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:49" (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 [2020-10-15 11:53:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 11:53:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 11:53:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-15 11:53:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-15 11:53:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-15 11:53:49,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-15 11:53:49,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_3 [2020-10-15 11:53:49,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-15 11:53:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-15 11:53:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-15 11:53:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-15 11:53:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 11:53:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-15 11:53:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 11:53:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 11:53:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 11:53:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 11:53:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 11:53:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 11:53:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 11:53:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 11:53:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 11:53:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 11:53:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 11:53:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-15 11:53:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-15 11:53:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-15 11:53:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2020-10-15 11:53:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2020-10-15 11:53:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-15 11:53:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-15 11:53:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-15 11:53:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-15 11:53:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-15 11:53:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-15 11:53:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_startup [2020-10-15 11:53:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_release [2020-10-15 11:53:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2020-10-15 11:53:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_open [2020-10-15 11:53:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_close [2020-10-15 11:53:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_read_int_callback [2020-10-15 11:53:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_callback [2020-10-15 11:53:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write [2020-10-15 11:53:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2020-10-15 11:53:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2020-10-15 11:53:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2020-10-15 11:53:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2020-10-15 11:53:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2020-10-15 11:53:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init [2020-10-15 11:53:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_exit [2020-10-15 11:53:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-15 11:53:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-15 11:53:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 11:53:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-15 11:53:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2020-10-15 11:53:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2020-10-15 11:53:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_tty_get_6 [2020-10-15 11:53:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_flip_buffer_push_7 [2020-10-15 11:53:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_get_baud_rate_8 [2020-10-15 11:53:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_encode_baud_rate_9 [2020-10-15 11:53:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2020-10-15 11:53:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-15 11:53:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 11:53:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-15 11:53:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2020-10-15 11:53:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2020-10-15 11:53:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-15 11:53:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-15 11:53:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 11:53:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-15 11:53:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 11:53:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 11:53:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2020-10-15 11:53:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-10-15 11:53:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-15 11:53:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-15 11:53:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 11:53:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-15 11:53:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-15 11:53:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-15 11:53:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-15 11:53:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-15 11:53:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-15 11:53:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-15 11:53:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-15 11:53:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-15 11:53:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-15 11:53:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-15 11:53:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2020-10-15 11:53:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-15 11:53:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-15 11:53:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-15 11:53:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-15 11:53:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-15 11:53:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-15 11:53:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 11:53:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 11:53:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 11:53:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 11:53:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 11:53:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 11:53:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-15 11:53:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-15 11:53:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-15 11:53:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-15 11:53:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-15 11:53:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-15 11:53:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-15 11:53:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-15 11:53:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-15 11:53:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_flip_buffer_push_7 [2020-10-15 11:53:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-15 11:53:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_get_baud_rate_8 [2020-10-15 11:53:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-15 11:53:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_encode_baud_rate_9 [2020-10-15 11:53:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-15 11:53:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_tty_get_6 [2020-10-15 11:53:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-15 11:53:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2020-10-15 11:53:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_3 [2020-10-15 11:53:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-15 11:53:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2020-10-15 11:53:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2020-10-15 11:53:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 11:53:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-15 11:53:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-15 11:53:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 11:53:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-15 11:53:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 11:53:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 11:53:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-15 11:53:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-15 11:53:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 11:53:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 11:53:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-15 11:53:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-15 11:53:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 11:53:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 11:53:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 11:53:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 11:53:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 11:53:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 11:53:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 11:53:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 11:53:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 11:53:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 11:53:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 11:53:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 11:53:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 11:53:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 11:53:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 11:53:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 11:53:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 11:53:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-15 11:53:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-15 11:53:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-15 11:53:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-15 11:53:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-15 11:53:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2020-10-15 11:53:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2020-10-15 11:53:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 11:53:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 11:53:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-15 11:53:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-15 11:53:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2020-10-15 11:53:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-15 11:53:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-15 11:53:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2020-10-15 11:53:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-15 11:53:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 11:53:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 11:53:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-15 11:53:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-15 11:53:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-15 11:53:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-15 11:53:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2020-10-15 11:53:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-15 11:53:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-15 11:53:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-15 11:53:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-15 11:53:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-15 11:53:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-15 11:53:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-15 11:53:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-15 11:53:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-15 11:53:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_startup [2020-10-15 11:53:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_release [2020-10-15 11:53:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_open [2020-10-15 11:53:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_close [2020-10-15 11:53:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write [2020-10-15 11:53:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2020-10-15 11:53:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2020-10-15 11:53:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2020-10-15 11:53:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2020-10-15 11:53:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_read_int_callback [2020-10-15 11:53:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_callback [2020-10-15 11:53:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2020-10-15 11:53:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2020-10-15 11:53:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 11:53:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 11:53:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init [2020-10-15 11:53:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_exit [2020-10-15 11:53:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-10-15 11:53:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2020-10-15 11:53:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 11:53:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 11:53:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 11:53:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-15 11:53:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-15 11:53:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 11:53:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 11:53:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 11:53:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 11:53:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 11:53:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 11:53:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 11:53:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 11:53:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 11:53:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 11:53:50,700 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 11:53:54,458 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-15 11:53:58,046 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 11:53:58,046 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 11:53:58,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:53:58 BoogieIcfgContainer [2020-10-15 11:53:58,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 11:53:58,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 11:53:58,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 11:53:58,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 11:53:58,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 11:53:47" (1/3) ... [2020-10-15 11:53:58,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76455961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:53:58, skipping insertion in model container [2020-10-15 11:53:58,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:53:49" (2/3) ... [2020-10-15 11:53:58,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76455961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:53:58, skipping insertion in model container [2020-10-15 11:53:58,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:53:58" (3/3) ... [2020-10-15 11:53:58,074 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2020-10-15 11:53:58,084 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 11:53:58,094 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 11:53:58,108 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 11:53:58,139 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 11:53:58,139 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 11:53:58,139 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 11:53:58,140 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 11:53:58,140 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 11:53:58,140 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 11:53:58,140 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 11:53:58,140 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 11:53:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states. [2020-10-15 11:53:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-15 11:53:58,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 11:53:58,198 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] [2020-10-15 11:53:58,198 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 11:53:58,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 11:53:58,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1672946131, now seen corresponding path program 1 times [2020-10-15 11:53:58,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 11:53:58,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295135874] [2020-10-15 11:53:58,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 11:53:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:53:59,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:53:59,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:00,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:03,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:03,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-15 11:54:03,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 11:54:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-15 11:54:03,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:03,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:03,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:54:03,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-15 11:54:03,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 11:54:03,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 11:54:07,317 WARN L193 SmtUtils]: Spent 3.09 s on a formula simplification that was a NOOP. DAG size: 718 [2020-10-15 11:54:07,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:54:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:54:07,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:08,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:54:08,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:54:08,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 867 [2020-10-15 11:54:08,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:08,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:54:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:54:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:54:08,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:54:08,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:54:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:54:08,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:08,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:54:08,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:54:08,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:54:08,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:08,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:08,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:54:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:54:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:54:08,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 11:54:08,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 11:54:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:54:08,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:08,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:54:08,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:54:08,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 11:54:08,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:08,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:54:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:54:08,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:54:08,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:54:08,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 11:54:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:54:08,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:08,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:54:08,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:54:08,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 11:54:08,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:08,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:54:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:54:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:54:08,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 11:54:08,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 11:54:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:54:08,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:08,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:54:08,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:54:08,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 11:54:08,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:08,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:54:08,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:54:08,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:54:08,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:54:08,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 11:54:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:54:08,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:08,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 11:54:08,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:54:08,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-15 11:54:08,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:08,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 11:54:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 11:54:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 11:54:08,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:54:08,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:54:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:54:08,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:08,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:54:08,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:54:08,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 11:54:08,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:08,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 11:54:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:54:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 11:54:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:54:08,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 11:54:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:54:08,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:08,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:54:08,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:54:08,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 11:54:08,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:08,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:08,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:54:08,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 11:54:08,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:54:08,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:54:08,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:54:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:54:08,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:08,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 11:54:08,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:54:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 11:54:08,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:08,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:54:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:54:08,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:54:08,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:54:08,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:54:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:54:08,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:54:08,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:54:08,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:54:08,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:54:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 11:54:08,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:54:08,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:54:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:54:08,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:54:08,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:54:08,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:54:09,065 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-15 11:54:09,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295135874] [2020-10-15 11:54:09,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 11:54:09,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 11:54:09,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370735811] [2020-10-15 11:54:09,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 11:54:09,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 11:54:09,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 11:54:09,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 11:54:09,093 INFO L87 Difference]: Start difference. First operand 861 states. Second operand 10 states. [2020-10-15 11:54:11,849 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 721 [2020-10-15 11:54:19,887 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 725 [2020-10-15 11:54:22,902 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 722 [2020-10-15 11:54:26,554 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification that was a NOOP. DAG size: 731 [2020-10-15 11:54:29,489 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 729 [2020-10-15 11:54:32,484 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 723 [2020-10-15 11:54:36,834 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 720 [2020-10-15 11:54:42,079 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 728 [2020-10-15 11:55:08,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 11:55:08,372 INFO L93 Difference]: Finished difference Result 2130 states and 3061 transitions. [2020-10-15 11:55:08,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 11:55:08,375 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-10-15 11:55:08,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 11:55:08,407 INFO L225 Difference]: With dead ends: 2130 [2020-10-15 11:55:08,407 INFO L226 Difference]: Without dead ends: 1221 [2020-10-15 11:55:08,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 26.0s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2020-10-15 11:55:08,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2020-10-15 11:55:08,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 880. [2020-10-15 11:55:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-10-15 11:55:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1163 transitions. [2020-10-15 11:55:08,765 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1163 transitions. Word has length 83 [2020-10-15 11:55:08,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 11:55:08,766 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 1163 transitions. [2020-10-15 11:55:08,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 11:55:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1163 transitions. [2020-10-15 11:55:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-15 11:55:08,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 11:55:08,775 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] [2020-10-15 11:55:08,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 11:55:08,776 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 11:55:08,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 11:55:08,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1429384509, now seen corresponding path program 1 times [2020-10-15 11:55:08,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 11:55:08,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444985287] [2020-10-15 11:55:08,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 11:55:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:09,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:09,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:09,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:14,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:14,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-15 11:55:14,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 11:55:14,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5391 [2020-10-15 11:55:14,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:14,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:55:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-15 11:55:14,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 11:55:14,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:17,277 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 718 [2020-10-15 11:55:17,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:55:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:17,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:17,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:17,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:55:17,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 615 [2020-10-15 11:55:17,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:17,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:17,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:55:18,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:55:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:55:18,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 11:55:18,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 11:55:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:55:18,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 11:55:18,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 11:55:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:55:18,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:55:18,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:55:18,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 11:55:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:55:18,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 11:55:18,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 11:55:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 11:55:18,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 11:55:18,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:55:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 11:55:18,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 11:55:18,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 11:55:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:55:18,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 11:55:18,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 11:55:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 11:55:18,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 11:55:18,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:55:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:55:18,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 11:55:18,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 11:55:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 11:55:18,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 11:55:18,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:55:18,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 11:55:18,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:55:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:55:18,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:55:18,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 11:55:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:55:18,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 11:55:18,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 11:55:18,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 11:55:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:55:18,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:55:18,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 11:55:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:55:18,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:55:18,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 11:55:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:55:18,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 11:55:18,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 11:55:18,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:55:18,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:55:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 11:55:18,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 11:55:18,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:55:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:18,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:55:18,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:55:18,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:55:18,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:55:18,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 11:55:18,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:55:18,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:55:18,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:55:18,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:55:18,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:55:18,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:55:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-15 11:55:18,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444985287] [2020-10-15 11:55:18,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 11:55:18,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 11:55:18,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007455429] [2020-10-15 11:55:18,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 11:55:18,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 11:55:18,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 11:55:18,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-15 11:55:18,667 INFO L87 Difference]: Start difference. First operand 880 states and 1163 transitions. Second operand 9 states. [2020-10-15 11:55:21,668 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 721 [2020-10-15 11:55:29,240 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification that was a NOOP. DAG size: 723 [2020-10-15 11:55:32,294 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 720 [2020-10-15 11:55:57,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 11:55:57,124 INFO L93 Difference]: Finished difference Result 2497 states and 3435 transitions. [2020-10-15 11:55:57,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 11:55:57,125 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 138 [2020-10-15 11:55:57,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 11:55:57,139 INFO L225 Difference]: With dead ends: 2497 [2020-10-15 11:55:57,139 INFO L226 Difference]: Without dead ends: 1659 [2020-10-15 11:55:57,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2020-10-15 11:55:57,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2020-10-15 11:55:57,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1188. [2020-10-15 11:55:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1188 states. [2020-10-15 11:55:57,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1554 transitions. [2020-10-15 11:55:57,441 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1554 transitions. Word has length 138 [2020-10-15 11:55:57,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 11:55:57,442 INFO L479 AbstractCegarLoop]: Abstraction has 1188 states and 1554 transitions. [2020-10-15 11:55:57,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 11:55:57,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1554 transitions. [2020-10-15 11:55:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-15 11:55:57,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 11:55:57,446 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] [2020-10-15 11:55:57,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 11:55:57,447 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 11:55:57,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 11:55:57,447 INFO L82 PathProgramCache]: Analyzing trace with hash -942689567, now seen corresponding path program 1 times [2020-10-15 11:55:57,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 11:55:57,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077867422] [2020-10-15 11:55:57,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 11:55:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:55:57,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:00,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:02,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:02,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-15 11:56:02,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:56:02,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5234 [2020-10-15 11:56:02,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:02,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 11:56:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-15 11:56:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 11:56:02,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:56:05,812 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 718 [2020-10-15 11:56:05,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:56:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:05,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:56:06,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-15 11:56:06,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:56:06,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:56:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:56:06,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 11:56:06,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 11:56:06,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 11:56:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:56:06,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 11:56:06,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:06,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 11:56:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:56:06,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 11:56:06,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:06,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 11:56:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:56:06,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 11:56:06,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:06,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 11:56:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 11:56:06,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 11:56:06,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:06,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:56:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 11:56:06,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 11:56:06,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:06,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 11:56:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:56:06,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:56:06,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:06,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 11:56:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 11:56:06,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 11:56:06,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 11:56:06,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 11:56:06,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:06,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:56:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:56:06,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 11:56:06,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:06,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 11:56:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 11:56:06,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 11:56:06,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-15 11:56:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:06,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:56:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:56:06,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 11:56:06,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:06,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 11:56:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:06,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:06,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:56:06,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:06,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 11:56:06,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:06,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:06,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:07,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 11:56:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:07,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:07,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:07,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:56:07,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:07,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 11:56:07,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:07,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:07,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:07,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:07,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 11:56:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:07,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:07,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:07,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:56:07,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:07,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:56:07,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:07,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:07,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:07,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 11:56:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:07,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:07,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:07,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:56:07,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:07,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 11:56:07,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:07,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 11:56:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:07,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:07,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:56:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:07,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:07,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:07,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 11:56:07,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:07,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:56:07,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:07,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:07,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:07,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:07,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:07,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:07,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:56:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:56:07,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:56:07,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:56:07,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:56:07,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:56:07,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 11:56:07,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:56:07,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:56:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:56:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:56:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:56:07,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:56:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-15 11:56:07,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077867422] [2020-10-15 11:56:07,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 11:56:07,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 11:56:07,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22767730] [2020-10-15 11:56:07,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 11:56:07,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 11:56:07,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 11:56:07,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 11:56:07,167 INFO L87 Difference]: Start difference. First operand 1188 states and 1554 transitions. Second operand 12 states. [2020-10-15 11:56:10,059 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 721 [2020-10-15 11:56:16,299 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 725 [2020-10-15 11:56:19,239 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification that was a NOOP. DAG size: 728 [2020-10-15 11:56:23,474 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 727 [2020-10-15 11:56:26,714 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-15 11:56:29,751 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-15 11:56:33,208 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 724 [2020-10-15 11:57:08,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 11:57:08,980 INFO L93 Difference]: Finished difference Result 4412 states and 5999 transitions. [2020-10-15 11:57:08,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-15 11:57:08,981 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2020-10-15 11:57:08,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 11:57:09,000 INFO L225 Difference]: With dead ends: 4412 [2020-10-15 11:57:09,000 INFO L226 Difference]: Without dead ends: 3173 [2020-10-15 11:57:09,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 24.6s TimeCoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2020-10-15 11:57:09,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3173 states. [2020-10-15 11:57:09,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3173 to 2213. [2020-10-15 11:57:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2213 states. [2020-10-15 11:57:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2936 transitions. [2020-10-15 11:57:09,623 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2936 transitions. Word has length 136 [2020-10-15 11:57:09,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 11:57:09,624 INFO L479 AbstractCegarLoop]: Abstraction has 2213 states and 2936 transitions. [2020-10-15 11:57:09,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 11:57:09,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2936 transitions. [2020-10-15 11:57:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-15 11:57:09,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 11:57:09,629 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 11:57:09,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 11:57:09,629 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 11:57:09,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 11:57:09,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1648573180, now seen corresponding path program 1 times [2020-10-15 11:57:09,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 11:57:09,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335062248] [2020-10-15 11:57:09,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 11:57:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:09,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:10,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:14,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:14,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-15 11:57:14,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:57:14,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5080 [2020-10-15 11:57:14,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:14,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:14,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:57:14,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-15 11:57:14,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-15 11:57:14,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:57:17,771 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 718 [2020-10-15 11:57:17,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:57:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:17,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:57:18,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-15 11:57:18,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:57:18,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:57:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:18,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 11:57:18,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:57:18,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 11:57:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:18,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 11:57:18,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:57:18,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 11:57:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:18,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 11:57:18,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:57:18,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 11:57:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:18,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 11:57:18,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:57:18,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 11:57:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 11:57:18,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:57:18,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-15 11:57:18,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:57:18,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 11:57:18,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:57:18,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:57:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 11:57:18,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 11:57:18,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:57:18,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 11:57:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:18,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 11:57:18,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:57:18,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 11:57:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-15 11:57:18,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-15 11:57:18,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:57:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-15 11:57:18,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:18,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:57:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:57:18,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 11:57:18,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:18,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 11:57:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 11:57:18,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 11:57:18,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:18,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:57:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 11:57:18,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 11:57:18,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:18,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:57:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:57:18,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 11:57:18,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:18,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:57:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 11:57:18,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 11:57:18,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:18,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:57:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:18,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 11:57:18,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:18,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 11:57:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 11:57:18,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 11:57:18,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:57:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 11:57:18,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:18,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:57:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:18,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:57:18,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:18,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 11:57:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:18,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:57:18,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:18,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:18,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:18,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 11:57:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:18,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:18,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:18,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:18,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:18,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:57:18,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:19,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:19,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 11:57:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:19,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:19,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:19,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:19,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:19,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 11:57:19,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:19,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:19,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:19,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:19,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:19,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:19,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-15 11:57:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:19,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:19,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:19,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:57:19,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 11:57:19,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:19,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:57:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 11:57:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:19,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:57:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:19,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:19,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:19,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 11:57:19,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:19,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 11:57:19,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:19,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:19,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:57:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:57:19,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:57:19,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:57:19,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:57:19,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:57:19,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 11:57:19,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:57:19,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:57:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:57:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:57:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:57:19,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:57:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-10-15 11:57:19,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335062248] [2020-10-15 11:57:19,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 11:57:19,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 11:57:19,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852219330] [2020-10-15 11:57:19,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 11:57:19,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 11:57:19,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 11:57:19,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-15 11:57:19,255 INFO L87 Difference]: Start difference. First operand 2213 states and 2936 transitions. Second operand 10 states. [2020-10-15 11:57:22,422 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification that was a NOOP. DAG size: 721 [2020-10-15 11:57:36,201 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 727