/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=NARROWEST --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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 19:33:45,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 19:33:45,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 19:33:45,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 19:33:45,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 19:33:45,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 19:33:45,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 19:33:45,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 19:33:45,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 19:33:45,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 19:33:45,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 19:33:45,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 19:33:45,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 19:33:45,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 19:33:45,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 19:33:45,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 19:33:45,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 19:33:45,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 19:33:45,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 19:33:45,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 19:33:45,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 19:33:45,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 19:33:45,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 19:33:45,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 19:33:45,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 19:33:45,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 19:33:45,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 19:33:45,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 19:33:45,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 19:33:45,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 19:33:45,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 19:33:45,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 19:33:45,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 19:33:45,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 19:33:45,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 19:33:45,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 19:33:45,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 19:33:45,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 19:33:45,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 19:33:45,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 19:33:45,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 19:33:45,881 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 [2020-10-13 19:33:45,908 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 19:33:45,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 19:33:45,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 19:33:45,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 19:33:45,910 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 19:33:45,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 19:33:45,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 19:33:45,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 19:33:45,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 19:33:45,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 19:33:45,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 19:33:45,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 19:33:45,911 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 19:33:45,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 19:33:45,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 19:33:45,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 19:33:45,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 19:33:45,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 19:33:45,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 19:33:45,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 19:33:45,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 19:33:45,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 19:33:45,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 19:33:45,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 19:33:45,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 19:33:45,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 19:33:45,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 19:33:45,914 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 19:33:46,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 19:33:46,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 19:33:46,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 19:33:46,231 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 19:33:46,231 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 19:33:46,233 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2020-10-13 19:33:46,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0683956d4/2c4dedfd56c04f7fbe04ccf844e7126a/FLAGc47273ff6 [2020-10-13 19:33:47,075 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 19:33:47,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2020-10-13 19:33:47,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0683956d4/2c4dedfd56c04f7fbe04ccf844e7126a/FLAGc47273ff6 [2020-10-13 19:33:47,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0683956d4/2c4dedfd56c04f7fbe04ccf844e7126a [2020-10-13 19:33:47,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 19:33:47,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 19:33:47,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 19:33:47,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 19:33:47,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 19:33:47,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:33:47" (1/1) ... [2020-10-13 19:33:47,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67abf343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:47, skipping insertion in model container [2020-10-13 19:33:47,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:33:47" (1/1) ... [2020-10-13 19:33:47,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 19:33:47,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 19:33:48,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:33:48,438 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 19:33:48,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:33:48,984 INFO L208 MainTranslator]: Completed translation [2020-10-13 19:33:48,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:48 WrapperNode [2020-10-13 19:33:48,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 19:33:48,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 19:33:48,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 19:33:48,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 19:33:49,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:48" (1/1) ... [2020-10-13 19:33:49,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:48" (1/1) ... [2020-10-13 19:33:49,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:48" (1/1) ... [2020-10-13 19:33:49,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:48" (1/1) ... [2020-10-13 19:33:49,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:48" (1/1) ... [2020-10-13 19:33:49,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:48" (1/1) ... [2020-10-13 19:33:49,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:48" (1/1) ... [2020-10-13 19:33:49,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 19:33:49,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 19:33:49,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 19:33:49,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 19:33:49,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:48" (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 [2020-10-13 19:33:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 19:33:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 19:33:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-13 19:33:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-13 19:33:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-13 19:33:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-13 19:33:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-13 19:33:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 19:33:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 19:33:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 19:33:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 19:33:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-13 19:33:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-13 19:33:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-13 19:33:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2020-10-13 19:33:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 19:33:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 19:33:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 19:33:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 19:33:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 19:33:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 19:33:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 19:33:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 19:33:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 19:33:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-13 19:33:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-13 19:33:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2020-10-13 19:33:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-10-13 19:33:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-10-13 19:33:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ppp [2020-10-13 19:33:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure get_proto [2020-10-13 19:33:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_name [2020-10-13 19:33:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_type_trans [2020-10-13 19:33:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_hard_header [2020-10-13 19:33:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_flush [2020-10-13 19:33:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_cp [2020-10-13 19:33:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_event [2020-10-13 19:33:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_parse_cr [2020-10-13 19:33:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_rx [2020-10-13 19:33:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_timer [2020-10-13 19:33:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start [2020-10-13 19:33:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_stop [2020-10-13 19:33:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_close [2020-10-13 19:33:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2020-10-13 19:33:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-10-13 19:33:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-10-13 19:33:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-13 19:33:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_3 [2020-10-13 19:33:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-13 19:33:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-13 19:33:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-13 19:33:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 19:33:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-13 19:33:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-13 19:33:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-13 19:33:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-13 19:33:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-13 19:33:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2020-10-13 19:33:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_13 [2020-10-13 19:33:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_14 [2020-10-13 19:33:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_15 [2020-10-13 19:33:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_16 [2020-10-13 19:33:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-13 19:33:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-13 19:33:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-13 19:33:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-13 19:33:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-13 19:33:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 19:33:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 19:33:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 19:33:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 19:33:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-13 19:33:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 19:33:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-13 19:33:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-13 19:33:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-13 19:33:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-13 19:33:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-13 19:33:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 19:33:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-13 19:33:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 19:33:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 19:33:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 19:33:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-13 19:33:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-10-13 19:33:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-13 19:33:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-13 19:33:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2020-10-13 19:33:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2020-10-13 19:33:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_3 [2020-10-13 19:33:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2020-10-13 19:33:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_3 [2020-10-13 19:33:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-10-13 19:33:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-13 19:33:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-13 19:33:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-13 19:33:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-10-13 19:33:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-13 19:33:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-13 19:33:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 19:33:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-13 19:33:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-10-13 19:33:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 19:33:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 19:33:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 19:33:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 19:33:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 19:33:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-13 19:33:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-13 19:33:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-13 19:33:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 19:33:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-13 19:33:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 19:33:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 19:33:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 19:33:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 19:33:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 19:33:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-13 19:33:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_16 [2020-10-13 19:33:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-13 19:33:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_14 [2020-10-13 19:33:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_15 [2020-10-13 19:33:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-13 19:33:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 19:33:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 19:33:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 19:33:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 19:33:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-13 19:33:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-13 19:33:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-13 19:33:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-13 19:33:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-13 19:33:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-13 19:33:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-13 19:33:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 19:33:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 19:33:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-13 19:33:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 19:33:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 19:33:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-13 19:33:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2020-10-13 19:33:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 19:33:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-13 19:33:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-13 19:33:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-13 19:33:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 19:33:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 19:33:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2020-10-13 19:33:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_13 [2020-10-13 19:33:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-13 19:33:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-13 19:33:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 19:33:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 19:33:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 19:33:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 19:33:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-13 19:33:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 19:33:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 19:33:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 19:33:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 19:33:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 19:33:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 19:33:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 19:33:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 19:33:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 19:33:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 19:33:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 19:33:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-13 19:33:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_3 [2020-10-13 19:33:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-13 19:33:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-13 19:33:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-13 19:33:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-13 19:33:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2020-10-13 19:33:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-13 19:33:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-13 19:33:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-10-13 19:33:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2020-10-13 19:33:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-10-13 19:33:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-13 19:33:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-13 19:33:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-10-13 19:33:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-10-13 19:33:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-10-13 19:33:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-10-13 19:33:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2020-10-13 19:33:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure get_ppp [2020-10-13 19:33:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure get_proto [2020-10-13 19:33:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure proto_name [2020-10-13 19:33:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_type_trans [2020-10-13 19:33:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_hard_header [2020-10-13 19:33:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_flush [2020-10-13 19:33:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_cp [2020-10-13 19:33:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 19:33:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_event [2020-10-13 19:33:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_parse_cr [2020-10-13 19:33:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_rx [2020-10-13 19:33:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_timer [2020-10-13 19:33:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start [2020-10-13 19:33:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_stop [2020-10-13 19:33:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_close [2020-10-13 19:33:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-13 19:33:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-10-13 19:33:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-10-13 19:33:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_3 [2020-10-13 19:33:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 19:33:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 19:33:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2020-10-13 19:33:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_3 [2020-10-13 19:33:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2020-10-13 19:33:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-13 19:33:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 19:33:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-13 19:33:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-13 19:33:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-13 19:33:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-13 19:33:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-13 19:33:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 19:33:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 19:33:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 19:33:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 19:33:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-13 19:33:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-13 19:33:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-13 19:33:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-13 19:33:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 19:33:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 19:33:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 19:33:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 19:33:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 19:33:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 19:33:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 19:33:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 19:33:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 19:33:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 19:33:50,471 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 19:33:51,576 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 19:33:51,576 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 19:33:51,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:33:51 BoogieIcfgContainer [2020-10-13 19:33:51,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 19:33:51,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 19:33:51,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 19:33:51,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 19:33:51,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:33:47" (1/3) ... [2020-10-13 19:33:51,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6a0637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:33:51, skipping insertion in model container [2020-10-13 19:33:51,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:33:48" (2/3) ... [2020-10-13 19:33:51,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6a0637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:33:51, skipping insertion in model container [2020-10-13 19:33:51,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:33:51" (3/3) ... [2020-10-13 19:33:51,593 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2020-10-13 19:33:51,604 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 19:33:51,613 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 19:33:51,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 19:33:51,658 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 19:33:51,658 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 19:33:51,659 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 19:33:51,659 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 19:33:51,659 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 19:33:51,659 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 19:33:51,659 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 19:33:51,659 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 19:33:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states. [2020-10-13 19:33:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-13 19:33:51,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:33:51,709 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:33:51,710 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:33:51,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:33:51,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1137307390, now seen corresponding path program 1 times [2020-10-13 19:33:51,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:33:51,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634733014] [2020-10-13 19:33:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:33:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:52,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:52,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:53,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:53,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 19:33:53,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:33:53,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1399 [2020-10-13 19:33:53,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:53,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:33:53,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 19:33:53,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 19:33:53,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 19:33:53,987 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 19:33:53,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:54,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 19:33:54,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:54,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:33:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:54,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:33:54,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:54,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:33:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:54,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:33:54,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:54,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:33:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:54,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:33:54,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:54,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:33:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:54,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:33:54,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:54,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:33:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:54,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 19:33:54,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:54,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:54,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:33:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:33:54,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 19:33:54,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:54,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:54,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:33:54,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:54,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:54,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 19:33:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:33:54,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:33:54,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 19:33:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:54,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:54,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:33:54,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:54,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 19:33:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 19:33:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:54,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:54,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:54,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 19:33:54,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:54,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:54,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:33:54,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:54,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 19:33:54,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634733014] [2020-10-13 19:33:54,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:33:54,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 19:33:54,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089996052] [2020-10-13 19:33:54,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 19:33:54,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:33:54,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 19:33:54,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 19:33:54,540 INFO L87 Difference]: Start difference. First operand 776 states. Second operand 6 states. [2020-10-13 19:33:54,865 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:33:55,216 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-13 19:33:55,456 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-13 19:34:08,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:34:08,937 INFO L93 Difference]: Finished difference Result 2826 states and 4352 transitions. [2020-10-13 19:34:08,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 19:34:08,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-10-13 19:34:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:34:08,990 INFO L225 Difference]: With dead ends: 2826 [2020-10-13 19:34:08,990 INFO L226 Difference]: Without dead ends: 2040 [2020-10-13 19:34:09,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-13 19:34:09,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2020-10-13 19:34:09,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1431. [2020-10-13 19:34:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1431 states. [2020-10-13 19:34:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1935 transitions. [2020-10-13 19:34:09,363 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 1935 transitions. Word has length 68 [2020-10-13 19:34:09,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:34:09,367 INFO L479 AbstractCegarLoop]: Abstraction has 1431 states and 1935 transitions. [2020-10-13 19:34:09,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 19:34:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1935 transitions. [2020-10-13 19:34:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 19:34:09,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:34:09,384 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:34:09,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 19:34:09,385 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:34:09,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:34:09,385 INFO L82 PathProgramCache]: Analyzing trace with hash -435352740, now seen corresponding path program 1 times [2020-10-13 19:34:09,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:34:09,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230058144] [2020-10-13 19:34:09,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:34:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:09,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:09,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:10,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 19:34:12,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:34:12,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2611 [2020-10-13 19:34:12,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:12,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 19:34:12,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:12,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,465 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 19:34:12,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:12,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 19:34:12,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:12,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:12,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:34:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:12,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:12,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:34:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:12,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:12,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:34:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:12,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:12,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:12,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:34:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:12,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:34:12,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:34:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:12,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:34:12,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:12,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:12,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:12,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:12,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 19:34:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:34:12,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 19:34:12,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:34:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 19:34:12,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 19:34:12,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 19:34:12,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:12,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:12,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:12,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:12,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:12,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 19:34:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:12,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:12,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:12,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:34:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:12,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:12,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 19:34:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:12,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:12,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:12,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:12,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:12,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:34:12,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:12,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:12,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:34:12,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:12,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 19:34:12,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230058144] [2020-10-13 19:34:12,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:34:12,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 19:34:12,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568060050] [2020-10-13 19:34:12,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 19:34:12,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:34:12,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 19:34:12,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 19:34:12,979 INFO L87 Difference]: Start difference. First operand 1431 states and 1935 transitions. Second operand 10 states. [2020-10-13 19:34:13,141 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:34:13,403 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 19:34:13,646 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:34:25,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:34:25,513 INFO L93 Difference]: Finished difference Result 3582 states and 5264 transitions. [2020-10-13 19:34:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 19:34:25,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-10-13 19:34:25,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:34:25,540 INFO L225 Difference]: With dead ends: 3582 [2020-10-13 19:34:25,540 INFO L226 Difference]: Without dead ends: 2175 [2020-10-13 19:34:25,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2020-10-13 19:34:25,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2175 states. [2020-10-13 19:34:25,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2175 to 1430. [2020-10-13 19:34:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1430 states. [2020-10-13 19:34:25,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 1931 transitions. [2020-10-13 19:34:25,750 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 1931 transitions. Word has length 90 [2020-10-13 19:34:25,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:34:25,753 INFO L479 AbstractCegarLoop]: Abstraction has 1430 states and 1931 transitions. [2020-10-13 19:34:25,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 19:34:25,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1931 transitions. [2020-10-13 19:34:25,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 19:34:25,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:34:25,762 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 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] [2020-10-13 19:34:25,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 19:34:25,762 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:34:25,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:34:25,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1974809665, now seen corresponding path program 1 times [2020-10-13 19:34:25,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:34:25,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220458804] [2020-10-13 19:34:25,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:34:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:25,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:26,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:26,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 19:34:26,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:26,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 834 [2020-10-13 19:34:26,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:34:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 19:34:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 19:34:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:26,919 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 19:34:26,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:26,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:26,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:26,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:26,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:26,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 19:34:26,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:26,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:26,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:26,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:26,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:26,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:27,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:34:27,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:27,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:34:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:27,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:27,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:34:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:27,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:27,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:34:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:27,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:27,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:27,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:34:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:27,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:34:27,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:27,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:34:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:27,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:34:27,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:27,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:27,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:27,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 19:34:27,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 19:34:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:34:27,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 19:34:27,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:27,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 19:34:27,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 19:34:27,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 19:34:27,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:27,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:34:27,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:27,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:27,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 19:34:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:27,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:27,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:27,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:34:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:27,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:27,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 19:34:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:34:27,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 19:34:27,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 19:34:27,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:27,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:27,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:34:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:27,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:27,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 19:34:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:27,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 19:34:27,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:27,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 19:34:27,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:27,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:27,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:27,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:27,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 19:34:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:27,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:27,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:27,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:27,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:27,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:34:27,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:27,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-13 19:34:27,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220458804] [2020-10-13 19:34:27,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:34:27,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 19:34:27,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878395535] [2020-10-13 19:34:27,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 19:34:27,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:34:27,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 19:34:27,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-13 19:34:27,566 INFO L87 Difference]: Start difference. First operand 1430 states and 1931 transitions. Second operand 12 states. [2020-10-13 19:34:27,760 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:34:28,009 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-13 19:34:28,248 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-13 19:34:33,593 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2020-10-13 19:34:33,796 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 19:34:33,986 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 19:34:35,746 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-13 19:34:48,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:34:48,110 INFO L93 Difference]: Finished difference Result 5273 states and 7923 transitions. [2020-10-13 19:34:48,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 19:34:48,111 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-10-13 19:34:48,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:34:48,154 INFO L225 Difference]: With dead ends: 5273 [2020-10-13 19:34:48,154 INFO L226 Difference]: Without dead ends: 3851 [2020-10-13 19:34:48,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2020-10-13 19:34:48,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2020-10-13 19:34:48,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 3055. [2020-10-13 19:34:48,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3055 states. [2020-10-13 19:34:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 4346 transitions. [2020-10-13 19:34:48,546 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 4346 transitions. Word has length 120 [2020-10-13 19:34:48,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:34:48,549 INFO L479 AbstractCegarLoop]: Abstraction has 3055 states and 4346 transitions. [2020-10-13 19:34:48,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 19:34:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 4346 transitions. [2020-10-13 19:34:48,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-13 19:34:48,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:34:48,576 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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, 1, 1, 1, 1] [2020-10-13 19:34:48,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 19:34:48,576 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:34:48,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:34:48,577 INFO L82 PathProgramCache]: Analyzing trace with hash 473921416, now seen corresponding path program 1 times [2020-10-13 19:34:48,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:34:48,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048631416] [2020-10-13 19:34:48,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:34:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:48,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:48,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:50,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:50,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-13 19:34:50,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:34:50,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2081 [2020-10-13 19:34:50,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 166 [2020-10-13 19:34:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:50,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:50,948 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 19:34:50,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:50,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:50,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:50,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:50,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:50,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 19:34:50,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:50,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:51,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:51,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:51,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:34:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:51,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:51,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:34:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:51,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:51,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:34:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:51,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:51,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:34:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:51,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:51,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:34:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:51,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:51,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:51,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:51,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 19:34:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:34:51,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 19:34:51,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 19:34:51,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:34:51,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:51,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:51,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:51,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:34:51,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 19:34:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:51,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:51,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:34:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:51,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:34:51,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 19:34:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:34:51,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:34:51,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:51,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:51,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:34:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:51,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:51,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 19:34:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 19:34:51,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-13 19:34:51,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:51,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 19:34:51,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:51,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 19:34:51,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 19:34:51,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 19:34:51,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:51,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 19:34:51,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 19:34:51,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:51,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 19:34:51,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:51,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:34:51,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 19:34:51,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 19:34:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:51,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:51,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:34:51,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:34:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:51,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 19:34:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:34:51,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:34:51,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 19:34:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:51,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 19:34:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:51,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:51,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 19:34:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:51,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:34:51,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:51,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 19:34:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:51,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:51,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:51,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:51,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:51,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:34:51,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:51,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:51,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:34:51,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:51,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-13 19:34:51,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048631416] [2020-10-13 19:34:51,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:34:51,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 19:34:51,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631293269] [2020-10-13 19:34:51,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 19:34:51,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:34:51,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 19:34:51,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-10-13 19:34:51,887 INFO L87 Difference]: Start difference. First operand 3055 states and 4346 transitions. Second operand 13 states. [2020-10-13 19:34:52,054 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:34:52,346 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-13 19:34:55,533 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 19:34:55,730 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 19:35:06,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:35:06,139 INFO L93 Difference]: Finished difference Result 6882 states and 10747 transitions. [2020-10-13 19:35:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 19:35:06,140 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 167 [2020-10-13 19:35:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:35:06,176 INFO L225 Difference]: With dead ends: 6882 [2020-10-13 19:35:06,177 INFO L226 Difference]: Without dead ends: 3851 [2020-10-13 19:35:06,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2020-10-13 19:35:06,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2020-10-13 19:35:06,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 3071. [2020-10-13 19:35:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3071 states. [2020-10-13 19:35:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 3071 states and 4371 transitions. [2020-10-13 19:35:06,595 INFO L78 Accepts]: Start accepts. Automaton has 3071 states and 4371 transitions. Word has length 167 [2020-10-13 19:35:06,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:35:06,596 INFO L479 AbstractCegarLoop]: Abstraction has 3071 states and 4371 transitions. [2020-10-13 19:35:06,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 19:35:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 4371 transitions. [2020-10-13 19:35:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-13 19:35:06,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:35:06,626 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:35:06,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 19:35:06,627 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:35:06,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:35:06,628 INFO L82 PathProgramCache]: Analyzing trace with hash -2121486229, now seen corresponding path program 1 times [2020-10-13 19:35:06,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:35:06,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110659821] [2020-10-13 19:35:06,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:35:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:06,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:06,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:11,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:11,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-13 19:35:11,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:35:11,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5077 [2020-10-13 19:35:11,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 19:35:11,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-13 19:35:11,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 19:35:11,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,084 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 19:35:12,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:12,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 19:35:12,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:12,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:35:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:12,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:12,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:35:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:12,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:35:12,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:35:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:12,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:35:12,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:35:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:12,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:35:12,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:35:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:12,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:12,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:35:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:35:12,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:35:12,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:12,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:12,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 19:35:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:35:12,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 19:35:12,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 19:35:12,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:35:12,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:12,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:12,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:35:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:12,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:12,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 19:35:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:12,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:35:12,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:12,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:35:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:12,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:12,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:12,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 19:35:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:35:12,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:35:12,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:12,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:12,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:35:12,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:35:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:12,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:35:12,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 19:35:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:13,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:13,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 19:35:13,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:13,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-13 19:35:13,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:13,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 19:35:13,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 19:35:13,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 19:35:13,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:13,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:13,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:13,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 19:35:13,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-13 19:35:13,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 19:35:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-13 19:35:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 19:35:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:13,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:13,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:13,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:13,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 19:35:13,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:13,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-13 19:35:13,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 19:35:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 19:35:13,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:13,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:13,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 19:35:14,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:14,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-13 19:35:14,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 19:35:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 19:35:14,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:14,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:14,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:35:14,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:14,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-13 19:35:14,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:35:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 19:35:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:14,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:35:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:14,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:14,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:14,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:14,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:14,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:14,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:35:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:14,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:14,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:14,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 19:35:14,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:35:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 19:35:14,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:14,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:35:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:14,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:35:14,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:14,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 19:35:14,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:35:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 19:35:14,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:14,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-13 19:35:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:14,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:35:14,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:14,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:35:14,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:14,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 19:35:14,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:14,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:14,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:14,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:14,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:14,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:35:14,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:14,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:14,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:14,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-13 19:35:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:14,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:14,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:14,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:35:14,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:35:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:14,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-13 19:35:14,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110659821] [2020-10-13 19:35:14,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:35:14,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-10-13 19:35:14,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856921754] [2020-10-13 19:35:14,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-13 19:35:14,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:35:14,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-13 19:35:14,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-10-13 19:35:14,907 INFO L87 Difference]: Start difference. First operand 3071 states and 4371 transitions. Second operand 22 states. [2020-10-13 19:35:15,103 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:35:15,720 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 19:35:15,936 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 19:35:20,841 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 19:35:35,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:35:35,579 INFO L93 Difference]: Finished difference Result 6916 states and 10727 transitions. [2020-10-13 19:35:35,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-13 19:35:35,579 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 178 [2020-10-13 19:35:35,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:35:35,611 INFO L225 Difference]: With dead ends: 6916 [2020-10-13 19:35:35,612 INFO L226 Difference]: Without dead ends: 3869 [2020-10-13 19:35:35,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=194, Invalid=1366, Unknown=0, NotChecked=0, Total=1560 [2020-10-13 19:35:35,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3869 states. [2020-10-13 19:35:36,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3869 to 3103. [2020-10-13 19:35:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3103 states. [2020-10-13 19:35:36,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4405 transitions. [2020-10-13 19:35:36,157 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4405 transitions. Word has length 178 [2020-10-13 19:35:36,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:35:36,158 INFO L479 AbstractCegarLoop]: Abstraction has 3103 states and 4405 transitions. [2020-10-13 19:35:36,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-13 19:35:36,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4405 transitions. [2020-10-13 19:35:36,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-13 19:35:36,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:35:36,187 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:35:36,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 19:35:36,187 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:35:36,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:35:36,188 INFO L82 PathProgramCache]: Analyzing trace with hash -444966190, now seen corresponding path program 1 times [2020-10-13 19:35:36,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:35:36,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189311153] [2020-10-13 19:35:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:35:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:36,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:36,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:36,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-13 19:35:36,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-13 19:35:36,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:35:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-13 19:35:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 19:35:36,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:36,959 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 19:35:36,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:36,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:37,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 19:35:37,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:35:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:37,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:37,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:35:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:37,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:37,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:35:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:37,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:37,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:35:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:37,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:37,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:35:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:37,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:37,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:35:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:35:37,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:37,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:37,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:37,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:37,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 19:35:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:35:37,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 19:35:37,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 19:35:37,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:35:37,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:37,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:37,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:35:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:37,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:37,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 19:35:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:37,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:35:37,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:37,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:35:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:37,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:35:37,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 19:35:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:35:37,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 19:35:37,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:35:37,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 19:35:37,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:37,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:37,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:35:37,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:35:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:37,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:35:37,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:37,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 19:35:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 19:35:37,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 19:35:37,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-13 19:35:37,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 19:35:37,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 19:35:37,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 19:35:37,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 19:35:37,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 19:35:37,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 19:35:37,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:35:37,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:35:37,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:35:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:37,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:37,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:37,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:35:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:37,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:37,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:35:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:35:37,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:35:37,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 19:35:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:37,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:37,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 19:35:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:35:37,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:35:37,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:35:37,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:35:37,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:37,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:37,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-13 19:35:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:35:37,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:37,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 19:35:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:37,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:37,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:37,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:37,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:37,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:35:37,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:37,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:37,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:37,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:37,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:37,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-13 19:35:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:38,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:38,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:38,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:38,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:38,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:38,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:35:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2020-10-13 19:35:38,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1189311153] [2020-10-13 19:35:38,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:35:38,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 19:35:38,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176186746] [2020-10-13 19:35:38,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 19:35:38,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:35:38,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 19:35:38,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-13 19:35:38,064 INFO L87 Difference]: Start difference. First operand 3103 states and 4405 transitions. Second operand 12 states. [2020-10-13 19:35:38,225 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:35:38,500 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-13 19:35:38,733 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-13 19:35:59,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:35:59,483 INFO L93 Difference]: Finished difference Result 10299 states and 15218 transitions. [2020-10-13 19:35:59,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 19:35:59,484 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 201 [2020-10-13 19:35:59,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:35:59,544 INFO L225 Difference]: With dead ends: 10299 [2020-10-13 19:35:59,545 INFO L226 Difference]: Without dead ends: 7220 [2020-10-13 19:35:59,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-10-13 19:35:59,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7220 states. [2020-10-13 19:36:00,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7220 to 5817. [2020-10-13 19:36:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5817 states. [2020-10-13 19:36:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5817 states to 5817 states and 8194 transitions. [2020-10-13 19:36:00,321 INFO L78 Accepts]: Start accepts. Automaton has 5817 states and 8194 transitions. Word has length 201 [2020-10-13 19:36:00,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:36:00,322 INFO L479 AbstractCegarLoop]: Abstraction has 5817 states and 8194 transitions. [2020-10-13 19:36:00,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 19:36:00,322 INFO L276 IsEmpty]: Start isEmpty. Operand 5817 states and 8194 transitions. [2020-10-13 19:36:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-13 19:36:00,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:36:00,366 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:36:00,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 19:36:00,367 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:36:00,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:36:00,367 INFO L82 PathProgramCache]: Analyzing trace with hash 351652823, now seen corresponding path program 1 times [2020-10-13 19:36:00,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:36:00,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378721552] [2020-10-13 19:36:00,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:36:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:01,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:01,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-13 19:36:01,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:36:01,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1220 [2020-10-13 19:36:01,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:01,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:36:01,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 19:36:01,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 19:36:01,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:01,929 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 19:36:01,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:01,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:01,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:01,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:01,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:01,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 19:36:01,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:36:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:02,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:36:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:02,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:36:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:02,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:36:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:02,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:36:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:02,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:36:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:36:02,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:02,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:02,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 19:36:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:36:02,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 19:36:02,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 19:36:02,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:36:02,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:02,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:36:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:02,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 19:36:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:02,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:36:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:02,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 19:36:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:36:02,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:36:02,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:02,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:36:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:36:02,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:02,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 19:36:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:36:02,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:02,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 19:36:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 19:36:02,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-13 19:36:02,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-13 19:36:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 19:36:02,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 19:36:02,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:02,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 19:36:02,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 19:36:02,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:02,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 19:36:02,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 19:36:02,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:02,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:36:02,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 19:36:02,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:36:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:02,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:02,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:36:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:36:02,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:02,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:36:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:36:02,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:36:02,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:02,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 19:36:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:02,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 19:36:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:36:02,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:36:02,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:02,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:36:02,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:36:02,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:36:02,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:02,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 19:36:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:36:02,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:02,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 19:36:02,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:02,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-13 19:36:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:03,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:03,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:03,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:03,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:03,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:36:03,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:36:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:03,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:03,083 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-13 19:36:03,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378721552] [2020-10-13 19:36:03,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:36:03,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 19:36:03,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374886675] [2020-10-13 19:36:03,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 19:36:03,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:36:03,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 19:36:03,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-13 19:36:03,086 INFO L87 Difference]: Start difference. First operand 5817 states and 8194 transitions. Second operand 12 states. [2020-10-13 19:36:03,256 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:36:03,537 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-13 19:36:03,783 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-13 19:36:25,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:36:25,309 INFO L93 Difference]: Finished difference Result 16367 states and 23874 transitions. [2020-10-13 19:36:25,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 19:36:25,310 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 222 [2020-10-13 19:36:25,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:36:25,389 INFO L225 Difference]: With dead ends: 16367 [2020-10-13 19:36:25,390 INFO L226 Difference]: Without dead ends: 10574 [2020-10-13 19:36:25,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-10-13 19:36:25,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10574 states. [2020-10-13 19:36:26,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10574 to 8543. [2020-10-13 19:36:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8543 states. [2020-10-13 19:36:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8543 states to 8543 states and 12011 transitions. [2020-10-13 19:36:26,422 INFO L78 Accepts]: Start accepts. Automaton has 8543 states and 12011 transitions. Word has length 222 [2020-10-13 19:36:26,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:36:26,423 INFO L479 AbstractCegarLoop]: Abstraction has 8543 states and 12011 transitions. [2020-10-13 19:36:26,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 19:36:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 8543 states and 12011 transitions. [2020-10-13 19:36:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-13 19:36:26,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:36:26,475 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:36:26,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 19:36:26,475 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:36:26,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:36:26,476 INFO L82 PathProgramCache]: Analyzing trace with hash 501640192, now seen corresponding path program 1 times [2020-10-13 19:36:26,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:36:26,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79644071] [2020-10-13 19:36:26,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:36:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:26,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:26,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:26,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:31,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:31,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-13 19:36:31,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:36:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-13 19:36:31,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:36:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-13 19:36:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 19:36:31,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:32,163 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 19:36:32,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:32,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 19:36:32,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:32,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:36:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:32,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:32,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:36:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:32,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:36:32,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:36:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:32,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:32,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:36:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:32,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:36:32,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:36:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:32,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:36:32,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:36:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:36:32,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:36:32,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:32,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:36:32,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 19:36:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:36:32,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 19:36:32,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 19:36:32,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 19:36:32,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:32,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:36:32,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:36:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:32,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:36:32,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:32,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 19:36:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:32,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:32,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:36:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:32,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:36:32,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 19:36:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:36:32,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 19:36:32,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:32,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:36:32,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:36:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:32,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:32,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:32,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:32,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:32,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:32,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:32,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:32,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:32,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 19:36:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:32,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:32,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:33,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:33,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:33,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:34,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:37,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:37,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-13 19:36:37,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 19:36:37,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-13 19:36:37,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:36:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-13 19:36:37,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 19:36:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:38,106 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-13 19:36:38,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:38,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:38,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:38,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:38,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:38,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:41,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:42,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:42,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:43,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:43,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-13 19:36:43,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 19:36:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-13 19:36:43,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:36:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 19:36:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 19:36:43,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:43,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:43,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:43,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:43,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:43,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:46,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-13 19:36:48,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 19:36:48,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 19:36:48,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:36:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 19:36:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 19:36:48,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:48,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 19:36:48,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:48,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:48,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:36:48,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:36:48,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:48,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:48,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:48,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:48,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 19:36:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:48,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:48,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:48,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 19:36:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:48,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:48,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:48,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:36:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 19:36:48,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:36:48,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-13 19:36:48,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 19:36:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:48,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:36:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 19:36:48,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 19:36:48,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:48,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 19:36:48,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:36:48,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:48,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:36:48,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 19:36:48,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:48,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:36:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:48,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:48,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:48,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:36:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:48,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:48,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:48,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:36:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:36:48,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:36:48,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:48,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 19:36:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:48,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:48,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:36:48,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:48,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 19:36:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 19:36:48,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:36:48,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 19:36:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:48,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:48,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:48,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:48,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 19:36:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:48,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:48,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:48,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:36:48,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:48,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:36:48,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:48,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:48,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:36:48,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:48,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:48,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:49,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:49,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:49,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:36:49,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:49,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:36:49,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:49,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:49,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:49,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:49,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:49,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:36:49,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:49,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:49,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:49,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:49,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:49,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:49,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:49,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:49,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:49,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:49,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:49,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:49,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:36:49,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:49,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:49,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:49,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-13 19:36:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:49,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:49,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:49,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:36:49,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:36:49,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 19:36:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:49,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:49,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:49,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:49,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:49,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:49,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:49,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:49,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:49,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-13 19:36:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:49,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:49,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:49,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:49,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:49,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:49,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:49,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:49,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:36:49,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:49,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-10-13 19:36:49,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79644071] [2020-10-13 19:36:49,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:36:49,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 19:36:49,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19020617] [2020-10-13 19:36:49,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 19:36:49,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:36:49,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 19:36:49,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 19:36:49,248 INFO L87 Difference]: Start difference. First operand 8543 states and 12011 transitions. Second operand 14 states. [2020-10-13 19:36:49,447 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:36:52,664 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-13 19:37:02,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:37:02,740 INFO L93 Difference]: Finished difference Result 19226 states and 27909 transitions. [2020-10-13 19:37:02,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 19:37:02,741 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 248 [2020-10-13 19:37:02,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:37:02,818 INFO L225 Difference]: With dead ends: 19226 [2020-10-13 19:37:02,818 INFO L226 Difference]: Without dead ends: 10707 [2020-10-13 19:37:02,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2020-10-13 19:37:02,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10707 states. [2020-10-13 19:37:03,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10707 to 8615. [2020-10-13 19:37:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8615 states. [2020-10-13 19:37:03,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8615 states to 8615 states and 12083 transitions. [2020-10-13 19:37:03,798 INFO L78 Accepts]: Start accepts. Automaton has 8615 states and 12083 transitions. Word has length 248 [2020-10-13 19:37:03,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:37:03,799 INFO L479 AbstractCegarLoop]: Abstraction has 8615 states and 12083 transitions. [2020-10-13 19:37:03,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 19:37:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 8615 states and 12083 transitions. [2020-10-13 19:37:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-13 19:37:03,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:37:03,832 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:37:03,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 19:37:03,832 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:37:03,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:37:03,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1592633041, now seen corresponding path program 1 times [2020-10-13 19:37:03,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:37:03,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636358698] [2020-10-13 19:37:03,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:37:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 19:37:03,951 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 19:37:03,951 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 19:37:03,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 19:37:04,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:37:04 BoogieIcfgContainer [2020-10-13 19:37:04,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 19:37:04,007 INFO L168 Benchmark]: Toolchain (without parser) took 196851.66 ms. Allocated memory was 146.3 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 94.2 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 740.2 MB. Max. memory is 7.1 GB. [2020-10-13 19:37:04,008 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 19:37:04,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1828.58 ms. Allocated memory was 146.3 MB in the beginning and 240.6 MB in the end (delta: 94.4 MB). Free memory was 93.8 MB in the beginning and 181.0 MB in the end (delta: -87.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2020-10-13 19:37:04,009 INFO L168 Benchmark]: Boogie Preprocessor took 251.23 ms. Allocated memory is still 240.6 MB. Free memory was 181.0 MB in the beginning and 168.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2020-10-13 19:37:04,010 INFO L168 Benchmark]: RCFGBuilder took 2347.62 ms. Allocated memory was 240.6 MB in the beginning and 264.2 MB in the end (delta: 23.6 MB). Free memory was 168.8 MB in the beginning and 178.8 MB in the end (delta: -10.0 MB). Peak memory consumption was 115.2 MB. Max. memory is 7.1 GB. [2020-10-13 19:37:04,010 INFO L168 Benchmark]: TraceAbstraction took 192419.40 ms. Allocated memory was 264.2 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 178.8 MB in the beginning and 1.1 GB in the end (delta: -941.0 MB). Peak memory consumption was 706.8 MB. Max. memory is 7.1 GB. [2020-10-13 19:37:04,013 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1828.58 ms. Allocated memory was 146.3 MB in the beginning and 240.6 MB in the end (delta: 94.4 MB). Free memory was 93.8 MB in the beginning and 181.0 MB in the end (delta: -87.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 251.23 ms. Allocated memory is still 240.6 MB. Free memory was 181.0 MB in the beginning and 168.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2347.62 ms. Allocated memory was 240.6 MB in the beginning and 264.2 MB in the end (delta: 23.6 MB). Free memory was 168.8 MB in the beginning and 178.8 MB in the end (delta: -10.0 MB). Peak memory consumption was 115.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 192419.40 ms. Allocated memory was 264.2 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 178.8 MB in the beginning and 1.1 GB in the end (delta: -941.0 MB). Peak memory consumption was 706.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5272]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5295] int LDV_IN_INTERRUPT = 1; [L5296] struct net_device *proto_group1 ; [L5297] int ldv_state_variable_0 ; [L5298] int ldv_state_variable_3 ; [L5299] int ldv_timer_state_1 = 0; [L5300] int ldv_state_variable_2 ; [L5301] struct sk_buff *proto_group0 ; [L5302] int ref_cnt ; [L5303] int ldv_state_variable_1 ; [L5304] struct timer_list *ldv_timer_list_1 ; [L5363] static struct sk_buff_head tx_queue ; [L5532-L5558] static int cp_table[13U][7U] = { { 163, 16, 16, 16, 16, 16, 16}, { 16, 0, 0, 0, 0, 0, 0}, { 16, 16, 1026, 131, 131, 133, 16}, { 16, 16, 1, 1, 1, 1, 16}, { 2048, 421, 2, 261, 262, 261, 389}, { 2048, 675, 2, 515, 516, 515, 643}, { 2048, 2049, 2, 36, 131, 6, 131}, { 2048, 2049, 2, 163, 131, 165, 131}, { 2048, 2049, 2050, 2051, 2051, 2051, 2114}, { 0, 1, 1, 3, 3, 5, 131}, { 4096, 4097, 4098, 4099, 4100, 4101, 4102}, { 0, 1, 2, 3, 3, 5, 6}, { 0, 1, 1, 1, 1, 1, 1058}}; [L5994-L5996] static struct hdlc_proto proto = {0, & ppp_close, & ppp_start, & ppp_stop, 0, & ppp_ioctl, & ppp_type_trans, & ppp_rx, 0, & __this_module, 0}; [L5997] static struct header_ops const ppp_header_ops = {& ppp_hard_header, 0, 0, 0, 0}; [L6077] int ldv_retval_0 ; [L6497] Element set_impl[15] ; [L6498] int last_index = 0; [L6632] Set LDV_SKBS ; [L6145] struct ifreq *ldvarg0 ; [L6146] void *tmp ; [L6147] unsigned int ldvarg1 ; [L6148] unsigned int tmp___0 ; [L6149] unsigned short ldvarg4 ; [L6150] unsigned short tmp___1 ; [L6151] struct sk_buff *ldvarg3 ; [L6152] void *tmp___2 ; [L6153] struct net_device *ldvarg5 ; [L6154] void *tmp___3 ; [L6155] void *ldvarg2 ; [L6156] void *tmp___4 ; [L6157] void *ldvarg6 ; [L6158] void *tmp___5 ; [L6159] int tmp___6 ; [L6160] int tmp___7 ; [L6161] int tmp___8 ; [L6162] int tmp___9 ; [L6164] CALL, EXPR ldv_zalloc(40UL) [L5237] void *p ; [L5238] void *tmp ; [L5239] int tmp___0 ; [L5241] tmp___0 = __VERIFIER_nondet_int() [L5242] COND TRUE tmp___0 != 0 [L5243] return ((void *)0); [L6164] RET, EXPR ldv_zalloc(40UL) [L6164] tmp = ldv_zalloc(40UL) [L6165] ldvarg0 = (struct ifreq *)tmp [L6166] tmp___0 = __VERIFIER_nondet_uint() [L6167] ldvarg1 = tmp___0 [L6168] tmp___1 = __VERIFIER_nondet_ushort() [L6169] ldvarg4 = tmp___1 [L6170] CALL, EXPR ldv_zalloc(232UL) [L5237] void *p ; [L5238] void *tmp ; [L5239] int tmp___0 ; [L5241] tmp___0 = __VERIFIER_nondet_int() [L5242] COND TRUE tmp___0 != 0 [L5243] return ((void *)0); [L6170] RET, EXPR ldv_zalloc(232UL) [L6170] tmp___2 = ldv_zalloc(232UL) [L6171] ldvarg3 = (struct sk_buff *)tmp___2 [L6172] CALL, EXPR ldv_zalloc(3264UL) [L5237] void *p ; [L5238] void *tmp ; [L5239] int tmp___0 ; [L5241] tmp___0 = __VERIFIER_nondet_int() [L5242] COND TRUE tmp___0 != 0 [L5243] return ((void *)0); [L6172] RET, EXPR ldv_zalloc(3264UL) [L6172] tmp___3 = ldv_zalloc(3264UL) [L6173] ldvarg5 = (struct net_device *)tmp___3 [L6174] CALL, EXPR ldv_zalloc(1UL) [L5237] void *p ; [L5238] void *tmp ; [L5239] int tmp___0 ; [L5241] tmp___0 = __VERIFIER_nondet_int() [L5242] COND TRUE tmp___0 != 0 [L5243] return ((void *)0); [L6174] RET, EXPR ldv_zalloc(1UL) [L6174] tmp___4 = ldv_zalloc(1UL) [L6175] ldvarg2 = tmp___4 [L6176] CALL, EXPR ldv_zalloc(1UL) [L5237] void *p ; [L5238] void *tmp ; [L5239] int tmp___0 ; [L5241] tmp___0 = __VERIFIER_nondet_int() [L5242] COND TRUE tmp___0 != 0 [L5243] return ((void *)0); [L6176] RET, EXPR ldv_zalloc(1UL) [L6176] tmp___5 = ldv_zalloc(1UL) [L6177] ldvarg6 = tmp___5 [L6178] CALL ldv_initialize() [L6651] CALL ldv_set_init(LDV_SKBS) [L6503] set = set_impl [L6504] last_index = 0 [L6651] RET ldv_set_init(LDV_SKBS) [L6178] RET ldv_initialize() [L6179] ldv_state_variable_1 = 1 [L6180] ref_cnt = 0 [L6181] ldv_state_variable_0 = 1 [L6182] ldv_state_variable_3 = 0 [L6183] ldv_state_variable_2 = 0 [L6185] tmp___6 = __VERIFIER_nondet_int() [L6187] case 0: [L6193] case 1: [L6194] COND TRUE ldv_state_variable_0 != 0 [L6195] tmp___7 = __VERIFIER_nondet_int() [L6197] case 0: [L6205] case 1: [L6206] COND TRUE ldv_state_variable_0 == 1 [L6207] CALL, EXPR mod_init() [L6065] CALL skb_queue_head_init(& tx_queue) [L5177] struct lock_class_key __key ; [L5179] CALL spinlock_check(& list->lock) [L5126] return (& lock->ldv_6338.rlock); [L5179] RET spinlock_check(& list->lock) [L5180] FCALL __raw_spin_lock_init(& list->lock.ldv_6338.rlock, "&(&list->lock)->rlock", & __key) [L5181] CALL __skb_queue_head_init(list) [L5166] struct sk_buff *tmp ; [L5168] tmp = (struct sk_buff *)list [L5169] list->next = tmp [L5170] list->prev = tmp [L5171] list->qlen = 0U [L5181] RET __skb_queue_head_init(list) [L5182] return; [L6065] RET skb_queue_head_init(& tx_queue) [L6066] FCALL register_hdlc_protocol(& proto) [L6067] return (0); [L6207] RET, EXPR mod_init() [L6207] ldv_retval_0 = mod_init() [L6208] COND TRUE ldv_retval_0 == 0 [L6209] ldv_state_variable_0 = 3 [L6210] ldv_state_variable_2 = 1 [L6211] ldv_state_variable_3 = 1 [L6212] CALL ldv_initialize_hdlc_proto_3() [L6104] void *tmp ; [L6105] void *tmp___0 ; [L6107] CALL, EXPR ldv_zalloc(3264UL) [L5237] void *p ; [L5238] void *tmp ; [L5239] int tmp___0 ; [L5241] tmp___0 = __VERIFIER_nondet_int() [L5242] COND TRUE tmp___0 != 0 [L5243] return ((void *)0); [L6107] RET, EXPR ldv_zalloc(3264UL) [L6107] tmp = ldv_zalloc(3264UL) [L6108] proto_group1 = (struct net_device *)tmp [L6109] CALL, EXPR ldv_zalloc(232UL) [L5237] void *p ; [L5238] void *tmp ; [L5239] int tmp___0 ; [L5241] tmp___0 = __VERIFIER_nondet_int() [L5242] COND TRUE tmp___0 != 0 [L5243] return ((void *)0); [L6109] RET, EXPR ldv_zalloc(232UL) [L6109] tmp___0 = ldv_zalloc(232UL) [L6110] proto_group0 = (struct sk_buff *)tmp___0 [L6212] RET ldv_initialize_hdlc_proto_3() [L6215] COND FALSE !(ldv_retval_0 != 0) [L6185] tmp___6 = __VERIFIER_nondet_int() [L6187] case 0: [L6193] case 1: [L6230] case 2: [L6231] COND TRUE ldv_state_variable_3 != 0 [L6232] tmp___8 = __VERIFIER_nondet_int() [L6234] case 0: [L6241] case 1: [L6268] case 2: [L6295] case 3: [L6302] case 4: [L6303] COND FALSE !(ldv_state_variable_3 == 4) [L6308] COND TRUE ldv_state_variable_3 == 1 [L6309] CALL ppp_rx(proto_group0) [L5776] struct hdlc_header *hdr ; [L5777] struct net_device *dev ; [L5778] struct ppp *ppp ; [L5779] struct ppp *tmp ; [L5780] struct proto *proto___0 ; [L5781] struct cp_header *cp ; [L5782] unsigned long flags ; [L5783] unsigned int len ; [L5784] u16 pid ; [L5785] raw_spinlock_t *tmp___0 ; [L5786] unsigned char *tmp___1 ; [L5787] __u16 tmp___2 ; [L5788] __u16 tmp___3 ; [L5789] __u16 tmp___4 ; [L5791] EXPR skb->data [L5791] hdr = (struct hdlc_header *)skb->data [L5792] EXPR skb->dev [L5792] dev = skb->dev [L5793] CALL, EXPR get_ppp(dev) [L5367] struct hdlc_device *tmp ; [L5369] CALL, EXPR dev_to_hdlc(dev) [L5356] void *tmp ; [L5358] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5313] return ((void *)dev + 3264U); [L5358] RET, EXPR netdev_priv((struct net_device const *)dev) [L5358] tmp = netdev_priv((struct net_device const *)dev) [L5359] return ((struct hdlc_device *)tmp); [L5369] RET, EXPR dev_to_hdlc(dev) [L5369] tmp = dev_to_hdlc(dev) [L5370] EXPR tmp->state [L5370] return ((struct ppp *)tmp->state); [L5793] RET, EXPR get_ppp(dev) [L5793] tmp = get_ppp(dev) [L5794] ppp = tmp [L5795] CALL, EXPR spinlock_check(& ppp->lock) [L5126] return (& lock->ldv_6338.rlock); [L5795] RET, EXPR spinlock_check(& ppp->lock) [L5795] tmp___0 = spinlock_check(& ppp->lock) [L5796] CALL, EXPR _raw_spin_lock_irqsave(tmp___0) [L6720] return __VERIFIER_nondet_ulong(); [L5796] RET, EXPR _raw_spin_lock_irqsave(tmp___0) [L5796] flags = _raw_spin_lock_irqsave(tmp___0) [L5797] EXPR skb->len [L5797] COND TRUE skb->len <= 3U [L5892] EXPR dev->stats.rx_errors [L5892] dev->stats.rx_errors = dev->stats.rx_errors + 1UL [L5894] CALL spin_unlock_irqrestore(& ppp->lock, flags) [L5132] FCALL _raw_spin_unlock_irqrestore(& lock->ldv_6338.rlock, flags) [L5894] RET spin_unlock_irqrestore(& ppp->lock, flags) [L5895] CALL dev_kfree_skb_any(skb) [L5321] FCALL __dev_kfree_skb_any(skb, 1) [L5895] RET dev_kfree_skb_any(skb) [L5896] CALL ppp_tx_flush() [L5464] struct sk_buff *skb ; [L5470] CALL, EXPR ldv_skb_dequeue_12(& tx_queue) [L6449] struct sk_buff *tmp ; [L6451] CALL, EXPR ldv_skb_alloc() [L6635] void *skb ; [L6636] void *tmp___7 ; [L6638] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) [L5237] void *p ; [L5238] void *tmp ; [L5239] int tmp___0 ; [L5241] tmp___0 = __VERIFIER_nondet_int() [L5242] COND FALSE !(tmp___0 != 0) [L5245] EXPR, FCALL calloc(1UL, size) [L5245] tmp = calloc(1UL, size) [L5246] p = tmp [L5247] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L5216] COND FALSE !(!cond) [L5247] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L5248] return (p); [L6638] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) [L6638] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L6639] skb = (struct sk_buff___0 *)tmp___7 [L6640] COND FALSE !(! skb) [L6643] CALL ldv_set_add(LDV_SKBS, skb) [L6511] int i ; [L6513] i = 0 [L6514] COND TRUE 1 [L6515] COND FALSE !(i < last_index) [L6525] COND TRUE last_index < 15 [L6526] set_impl[last_index] = e [L6527] last_index = last_index + 1 [L6643] RET ldv_set_add(LDV_SKBS, skb) [L6644] return (skb); [L6451] RET, EXPR ldv_skb_alloc() [L6451] tmp = ldv_skb_alloc() [L6452] return (tmp); [L5470] RET, EXPR ldv_skb_dequeue_12(& tx_queue) [L5470] skb = ldv_skb_dequeue_12(& tx_queue) [L5471] COND TRUE (unsigned long )skb != (unsigned long )((struct sk_buff *)0) [L5468] CALL dev_queue_xmit(skb) [L6742] return __VERIFIER_nondet_int(); [L5468] RET dev_queue_xmit(skb) [L5470] CALL, EXPR ldv_skb_dequeue_12(& tx_queue) [L6449] struct sk_buff *tmp ; [L6451] CALL, EXPR ldv_skb_alloc() [L6635] void *skb ; [L6636] void *tmp___7 ; [L6638] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) [L5237] void *p ; [L5238] void *tmp ; [L5239] int tmp___0 ; [L5241] tmp___0 = __VERIFIER_nondet_int() [L5242] COND TRUE tmp___0 != 0 [L5243] return ((void *)0); [L6638] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) [L6638] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L6639] skb = (struct sk_buff___0 *)tmp___7 [L6640] COND TRUE ! skb [L6641] return ((void *)0); [L6451] RET, EXPR ldv_skb_alloc() [L6451] tmp = ldv_skb_alloc() [L6452] return (tmp); [L5470] RET, EXPR ldv_skb_dequeue_12(& tx_queue) [L5470] skb = ldv_skb_dequeue_12(& tx_queue) [L5471] COND FALSE !((unsigned long )skb != (unsigned long )((struct sk_buff *)0)) [L5896] RET ppp_tx_flush() [L5897] return (1); [L6309] RET ppp_rx(proto_group0) [L6310] ldv_state_variable_3 = 1 [L6313] COND FALSE !(ldv_state_variable_3 == 3) [L6318] COND FALSE !(ldv_state_variable_3 == 2) [L6323] COND FALSE !(ldv_state_variable_3 == 5) [L6185] tmp___6 = __VERIFIER_nondet_int() [L6187] case 0: [L6193] case 1: [L6194] COND TRUE ldv_state_variable_0 != 0 [L6195] tmp___7 = __VERIFIER_nondet_int() [L6197] case 0: [L6198] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L6199] CALL mod_exit() [L6073] FCALL unregister_hdlc_protocol(& proto) [L6199] RET mod_exit() [L6200] ldv_state_variable_0 = 2 [L6408] CALL ldv_check_final_state() [L6702] int tmp___7 ; [L6704] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L6593] return (last_index == 0); [L6704] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6704] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6705] COND FALSE !(\read(tmp___7)) [L6707] CALL ldv_error() [L5272] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 105 procedures, 866 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 192.3s, OverallIterations: 9, TraceHistogramMax: 9, AutomataDifference: 140.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9067 SDtfs, 27909 SDslu, 27726 SDs, 0 SdLazy, 42827 SolverSat, 18664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 107.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 586 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8615occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 9222 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 45.7s InterpolantComputationTime, 1542 NumberOfCodeBlocks, 1542 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1286 ConstructedInterpolants, 0 QuantifiedInterpolants, 796837 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 932/932 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...