/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 08:25:45,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 08:25:45,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 08:25:45,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 08:25:45,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 08:25:45,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 08:25:45,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 08:25:45,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 08:25:45,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 08:25:45,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 08:25:45,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 08:25:45,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 08:25:45,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 08:25:45,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 08:25:45,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 08:25:45,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 08:25:45,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 08:25:45,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 08:25:45,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 08:25:45,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 08:25:45,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 08:25:45,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 08:25:45,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 08:25:45,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 08:25:45,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 08:25:45,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 08:25:45,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 08:25:45,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 08:25:45,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 08:25:45,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 08:25:45,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 08:25:45,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 08:25:45,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 08:25:45,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 08:25:45,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 08:25:45,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 08:25:45,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 08:25:45,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 08:25:45,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 08:25:45,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 08:25:45,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 08:25:45,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-15 08:25:45,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 08:25:45,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 08:25:45,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 08:25:45,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 08:25:45,977 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 08:25:45,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 08:25:45,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 08:25:45,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 08:25:45,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 08:25:45,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 08:25:45,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 08:25:45,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 08:25:45,980 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 08:25:45,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 08:25:45,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 08:25:45,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 08:25:45,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 08:25:45,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 08:25:45,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:25:45,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 08:25:45,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 08:25:45,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 08:25:45,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 08:25:45,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 08:25:45,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 08:25:45,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 08:25:45,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 08:25:45,984 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 08:25:46,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 08:25:46,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 08:25:46,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 08:25:46,304 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 08:25:46,305 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 08:25:46,306 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i [2020-10-15 08:25:46,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7980a081/a2aebbdfff904a94bf50f67705a2cbc6/FLAG55d7f56db [2020-10-15 08:25:47,128 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 08:25:47,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i [2020-10-15 08:25:47,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7980a081/a2aebbdfff904a94bf50f67705a2cbc6/FLAG55d7f56db [2020-10-15 08:25:47,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7980a081/a2aebbdfff904a94bf50f67705a2cbc6 [2020-10-15 08:25:47,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 08:25:47,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 08:25:47,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 08:25:47,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 08:25:47,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 08:25:47,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:25:47" (1/1) ... [2020-10-15 08:25:47,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3e300f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:47, skipping insertion in model container [2020-10-15 08:25:47,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:25:47" (1/1) ... [2020-10-15 08:25:47,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 08:25:47,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 08:25:48,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:25:48,495 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 08:25:48,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:25:48,777 INFO L208 MainTranslator]: Completed translation [2020-10-15 08:25:48,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:48 WrapperNode [2020-10-15 08:25:48,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 08:25:48,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 08:25:48,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 08:25:48,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 08:25:48,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:48" (1/1) ... [2020-10-15 08:25:48,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:48" (1/1) ... [2020-10-15 08:25:48,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:48" (1/1) ... [2020-10-15 08:25:48,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:48" (1/1) ... [2020-10-15 08:25:48,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:48" (1/1) ... [2020-10-15 08:25:48,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:48" (1/1) ... [2020-10-15 08:25:48,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:48" (1/1) ... [2020-10-15 08:25:48,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 08:25:48,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 08:25:48,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 08:25:48,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 08:25:48,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:48" (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 [2020-10-15 08:25:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 08:25:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 08:25:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-15 08:25:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-15 08:25:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 08:25:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-10-15 08:25:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 08:25:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 08:25:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 08:25:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 08:25:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 08:25:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 08:25:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 08:25:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 08:25:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-15 08:25:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rfc1051_init [2020-10-15 08:25:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rfc1051_exit [2020-10-15 08:25:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure type_trans [2020-10-15 08:25:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rx [2020-10-15 08:25:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure build_header [2020-10-15 08:25:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_tx [2020-10-15 08:25:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ArcProto_1 [2020-10-15 08:25:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 08:25:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-15 08:25:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-15 08:25:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-15 08:25:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-15 08:25:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-15 08:25:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-15 08:25:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2020-10-15 08:25:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_15 [2020-10-15 08:25:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-15 08:25:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-15 08:25:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-15 08:25:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-15 08:25:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-15 08:25:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 08:25:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-15 08:25:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-15 08:25:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-15 08:25:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-15 08:25:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 08:25:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-15 08:25:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-15 08:25:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-15 08:25:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-15 08:25:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-15 08:25:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 08:25:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_unregister_proto [2020-10-15 08:25:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 08:25:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-15 08:25:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-15 08:25:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-15 08:25:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 08:25:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 08:25:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 08:25:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 08:25:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 08:25:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 08:25:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 08:25:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 08:25:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 08:25:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-15 08:25:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-15 08:25:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-15 08:25:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-15 08:25:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-15 08:25:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-15 08:25:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2020-10-15 08:25:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-15 08:25:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-15 08:25:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-15 08:25:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-15 08:25:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 08:25:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 08:25:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-15 08:25:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-15 08:25:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-15 08:25:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 08:25:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 08:25:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 08:25:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-15 08:25:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 08:25:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 08:25:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 08:25:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-10-15 08:25:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 08:25:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 08:25:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 08:25:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 08:25:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 08:25:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 08:25:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 08:25:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 08:25:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 08:25:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ArcProto_1 [2020-10-15 08:25:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-15 08:25:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_15 [2020-10-15 08:25:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_unregister_proto [2020-10-15 08:25:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure type_trans [2020-10-15 08:25:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure rx [2020-10-15 08:25:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure build_header [2020-10-15 08:25:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_tx [2020-10-15 08:25:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rfc1051_init [2020-10-15 08:25:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 08:25:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 08:25:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rfc1051_exit [2020-10-15 08:25:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 08:25:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 08:25:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-15 08:25:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 08:25:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 08:25:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 08:25:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 08:25:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 08:25:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-15 08:25:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-15 08:25:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-15 08:25:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-15 08:25:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-15 08:25:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 08:25:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-15 08:25:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-15 08:25:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-15 08:25:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-15 08:25:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-15 08:25:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-15 08:25:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 08:25:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 08:25:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 08:25:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 08:25:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 08:25:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 08:25:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 08:25:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 08:25:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 08:25:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 08:25:50,072 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 08:25:52,218 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 08:25:52,219 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 08:25:52,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:25:52 BoogieIcfgContainer [2020-10-15 08:25:52,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 08:25:52,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 08:25:52,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 08:25:52,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 08:25:52,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:25:47" (1/3) ... [2020-10-15 08:25:52,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34866ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:25:52, skipping insertion in model container [2020-10-15 08:25:52,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:25:48" (2/3) ... [2020-10-15 08:25:52,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34866ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:25:52, skipping insertion in model container [2020-10-15 08:25:52,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:25:52" (3/3) ... [2020-10-15 08:25:52,251 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i [2020-10-15 08:25:52,263 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 08:25:52,273 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 08:25:52,289 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 08:25:52,320 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 08:25:52,321 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 08:25:52,321 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 08:25:52,321 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 08:25:52,321 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 08:25:52,321 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 08:25:52,321 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 08:25:52,322 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 08:25:52,353 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states. [2020-10-15 08:25:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-15 08:25:52,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:25:52,368 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:25:52,368 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:25:52,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:25:52,375 INFO L82 PathProgramCache]: Analyzing trace with hash -953861834, now seen corresponding path program 1 times [2020-10-15 08:25:52,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:25:52,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170557958] [2020-10-15 08:25:52,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:25:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:52,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:52,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:52,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:53,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:54,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:54,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-15 08:25:54,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 08:25:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1920 [2020-10-15 08:25:54,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:54,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:54,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:25:54,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 08:25:54,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 08:25:54,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 08:25:54,836 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 08:25:54,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:25:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:54,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:54,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:54,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:25:54,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:25:54,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 08:25:54,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:54,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:54,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:25:54,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:25:54,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:25:54,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:25:54,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:25:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:54,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:54,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:55,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:25:55,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:25:55,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-15 08:25:55,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:55,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:55,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:25:55,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:25:55,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:25:55,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:25:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:25:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:55,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:55,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:25:55,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:25:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:25:55,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:55,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:25:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:25:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:25:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:25:55,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:25:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:55,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:55,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:25:55,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:25:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:25:55,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:55,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:25:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 08:25:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:25:55,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:25:55,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 08:25:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:55,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:55,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:25:55,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:25:55,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:25:55,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:55,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:25:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:25:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:25:55,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:25:55,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:25:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:55,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:55,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:25:55,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:25:55,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:25:55,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:55,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:25:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:25:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 08:25:55,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:25:55,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 08:25:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:55,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:55,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:25:55,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:25:55,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 08:25:55,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:55,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:55,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:25:55,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:25:55,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:25:55,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:25:55,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 08:25:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:55,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:55,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:25:55,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:25:55,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:25:55,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:55,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:25:55,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:25:55,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 08:25:55,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:25:55,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:25:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:55,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:55,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:25:55,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:25:55,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:25:55,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:55,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:25:55,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:25:55,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:25:55,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:25:55,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 08:25:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:25:55,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:25:55,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:25:55,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:25:55,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:25:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:25:55,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:25:55,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:25:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 08:25:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:25:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:25:55,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:25:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 08:25:55,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170557958] [2020-10-15 08:25:55,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:25:55,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 08:25:55,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338471425] [2020-10-15 08:25:55,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 08:25:55,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:25:55,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 08:25:55,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-15 08:25:55,305 INFO L87 Difference]: Start difference. First operand 289 states. Second operand 11 states. [2020-10-15 08:25:55,438 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-15 08:25:55,631 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 08:25:55,806 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 08:25:56,801 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2020-10-15 08:26:02,654 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 08:26:02,793 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 08:26:09,727 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 08:26:11,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:26:11,725 INFO L93 Difference]: Finished difference Result 836 states and 1146 transitions. [2020-10-15 08:26:11,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 08:26:11,727 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2020-10-15 08:26:11,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:26:11,747 INFO L225 Difference]: With dead ends: 836 [2020-10-15 08:26:11,747 INFO L226 Difference]: Without dead ends: 543 [2020-10-15 08:26:11,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2020-10-15 08:26:11,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-10-15 08:26:11,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 494. [2020-10-15 08:26:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-10-15 08:26:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 631 transitions. [2020-10-15 08:26:11,905 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 631 transitions. Word has length 59 [2020-10-15 08:26:11,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:26:11,906 INFO L479 AbstractCegarLoop]: Abstraction has 494 states and 631 transitions. [2020-10-15 08:26:11,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 08:26:11,906 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 631 transitions. [2020-10-15 08:26:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-15 08:26:11,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:26:11,915 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 08:26:11,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 08:26:11,915 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:26:11,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:26:11,916 INFO L82 PathProgramCache]: Analyzing trace with hash -151654719, now seen corresponding path program 1 times [2020-10-15 08:26:11,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:26:11,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899046860] [2020-10-15 08:26:11,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:26:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:12,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:12,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:12,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:12,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:14,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:17,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-15 08:26:17,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 08:26:17,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-15 08:26:17,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:17,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:17,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 08:26:17,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-15 08:26:17,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 08:26:17,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:26:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:17,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:17,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:17,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:17,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 08:26:17,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:17,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:17,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:17,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:26:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:17,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:17,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:26:17,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:17,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:26:17,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:17,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:17,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:17,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:26:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:17,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:17,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:17,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:17,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:26:17,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:17,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:17,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:17,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:26:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:17,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:17,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:26:17,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:17,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:26:17,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:17,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:17,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:17,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:17,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:17,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:17,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 08:26:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:17,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:17,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:26:17,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:17,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:26:17,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:17,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:17,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:17,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:26:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:17,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:17,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:17,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:17,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:26:17,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:17,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:17,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:17,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:17,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:17,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 08:26:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:17,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:17,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:26:17,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:26:17,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 08:26:17,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:17,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 08:26:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:26:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:26:17,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:17,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 08:26:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:17,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:17,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:18,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:18,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-15 08:26:18,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 08:26:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 761 [2020-10-15 08:26:18,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:18,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 08:26:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 08:26:18,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 08:26:18,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:18,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:26:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:18,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:18,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:18,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:18,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:18,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:26:18,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:18,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:18,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:18,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:18,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 08:26:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:18,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:18,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:18,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:18,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 08:26:18,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 08:26:18,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-15 08:26:18,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:18,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 08:26:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 08:26:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 08:26:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 08:26:18,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:26:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:18,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:19,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:19,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 08:26:19,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:19,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-15 08:26:19,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:19,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 08:26:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:19,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 08:26:19,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 08:26:19,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:26:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:19,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:19,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:19,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:26:19,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:19,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-15 08:26:19,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:19,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:26:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 08:26:19,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:19,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:26:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:19,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:19,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:19,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:19,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:19,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:26:19,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:19,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:26:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:26:19,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:19,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:26:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:19,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:19,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:19,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:26:19,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:26:19,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:19,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:26:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:26:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:26:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:19,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:19,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:19,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 08:26:19,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:26:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:19,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:26:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 08:26:19,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:19,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 08:26:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:19,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:19,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:19,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:26:19,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:19,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:26:19,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:19,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:19,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 08:26:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:19,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:19,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:26:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:19,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:19,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:19,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:19,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:26:19,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:19,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:19,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:19,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:19,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:19,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:19,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 08:26:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:19,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:19,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:19,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:19,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:19,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:26:19,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:19,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:19,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:19,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:26:19,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:19,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 08:26:19,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899046860] [2020-10-15 08:26:19,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:26:19,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-15 08:26:19,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497136327] [2020-10-15 08:26:19,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-15 08:26:19,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:26:19,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-15 08:26:19,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2020-10-15 08:26:19,582 INFO L87 Difference]: Start difference. First operand 494 states and 631 transitions. Second operand 19 states. [2020-10-15 08:26:19,739 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-15 08:26:20,472 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 08:26:48,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:26:48,332 INFO L93 Difference]: Finished difference Result 1009 states and 1310 transitions. [2020-10-15 08:26:48,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 08:26:48,333 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 117 [2020-10-15 08:26:48,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:26:48,344 INFO L225 Difference]: With dead ends: 1009 [2020-10-15 08:26:48,344 INFO L226 Difference]: Without dead ends: 533 [2020-10-15 08:26:48,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=141, Invalid=915, Unknown=0, NotChecked=0, Total=1056 [2020-10-15 08:26:48,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-10-15 08:26:48,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 495. [2020-10-15 08:26:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-10-15 08:26:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 627 transitions. [2020-10-15 08:26:48,444 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 627 transitions. Word has length 117 [2020-10-15 08:26:48,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:26:48,444 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 627 transitions. [2020-10-15 08:26:48,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-15 08:26:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 627 transitions. [2020-10-15 08:26:48,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-15 08:26:48,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:26:48,453 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 08:26:48,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 08:26:48,453 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:26:48,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:26:48,453 INFO L82 PathProgramCache]: Analyzing trace with hash -475672057, now seen corresponding path program 1 times [2020-10-15 08:26:48,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:26:48,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006609369] [2020-10-15 08:26:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:26:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:48,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:48,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:48,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-15 08:26:49,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 08:26:49,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 676 [2020-10-15 08:26:49,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:26:49,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-15 08:26:49,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 08:26:49,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:49,371 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 08:26:49,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:26:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:49,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 08:26:49,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:49,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:26:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:26:49,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 08:26:49,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:49,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:26:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:49,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:26:49,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:26:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:26:49,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:26:49,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:49,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 08:26:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:26:49,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:26:49,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:49,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:26:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:49,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:26:49,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:49,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 08:26:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 08:26:49,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:26:49,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 08:26:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 08:26:49,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-15 08:26:49,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:26:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-15 08:26:49,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:26:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:49,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:26:49,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 08:26:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 08:26:49,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 08:26:49,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:26:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 08:26:49,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 08:26:49,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:49,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:26:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:26:49,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 08:26:49,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:26:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:49,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:26:49,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:26:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:26:49,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:26:49,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:26:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 08:26:49,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:26:49,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 08:26:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:26:49,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:26:49,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 08:26:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:26:49,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:26:49,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 08:26:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:26:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:49,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:26:49,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:26:49,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:26:49,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-15 08:26:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:26:49,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:26:49,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:26:49,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:26:49,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:26:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:26:49,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:26:49,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:26:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:26:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:26:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:26:49,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:26:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-15 08:26:49,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006609369] [2020-10-15 08:26:49,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:26:49,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 08:26:49,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093823061] [2020-10-15 08:26:50,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 08:26:50,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:26:50,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 08:26:50,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-15 08:26:50,001 INFO L87 Difference]: Start difference. First operand 495 states and 627 transitions. Second operand 11 states. [2020-10-15 08:26:50,125 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-15 08:26:50,295 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 08:27:03,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:27:03,867 INFO L93 Difference]: Finished difference Result 1104 states and 1444 transitions. [2020-10-15 08:27:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 08:27:03,868 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-15 08:27:03,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:27:03,876 INFO L225 Difference]: With dead ends: 1104 [2020-10-15 08:27:03,877 INFO L226 Difference]: Without dead ends: 1085 [2020-10-15 08:27:03,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2020-10-15 08:27:03,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2020-10-15 08:27:03,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 917. [2020-10-15 08:27:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 917 states. [2020-10-15 08:27:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1171 transitions. [2020-10-15 08:27:03,972 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1171 transitions. Word has length 124 [2020-10-15 08:27:03,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:27:03,974 INFO L479 AbstractCegarLoop]: Abstraction has 917 states and 1171 transitions. [2020-10-15 08:27:03,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 08:27:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1171 transitions. [2020-10-15 08:27:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-15 08:27:03,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:27:03,978 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 08:27:03,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 08:27:03,978 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:27:03,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:27:03,979 INFO L82 PathProgramCache]: Analyzing trace with hash -607888984, now seen corresponding path program 1 times [2020-10-15 08:27:03,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:27:03,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841932765] [2020-10-15 08:27:03,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:27:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:04,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:04,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:04,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-15 08:27:05,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 08:27:05,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1306 [2020-10-15 08:27:05,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:27:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-15 08:27:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 08:27:05,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:27:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:27:05,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:27:05,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:27:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:27:05,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:27:05,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:27:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:27:05,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:27:05,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:27:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:27:05,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 08:27:05,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 08:27:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:27:05,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:27:05,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:27:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:27:05,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:27:05,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 08:27:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 08:27:05,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:27:05,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 08:27:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 08:27:05,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-15 08:27:05,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-15 08:27:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:27:05,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:27:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:27:05,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:27:05,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 08:27:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 08:27:05,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 08:27:05,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:27:05,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:27:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 08:27:05,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 08:27:05,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:27:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:27:05,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 08:27:05,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:27:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:27:05,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:27:05,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:27:05,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:27:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:27:05,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:27:05,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:27:05,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:27:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 08:27:05,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:27:05,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:27:05,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 08:27:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:27:05,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:27:05,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:27:05,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:27:05,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 08:27:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 08:27:05,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:27:05,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 08:27:05,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:05,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 08:27:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:05,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:05,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:05,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:27:05,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:27:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:27:05,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:05,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:05,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:27:05,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:27:05,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:27:05,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:27:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-15 08:27:06,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841932765] [2020-10-15 08:27:06,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:27:06,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 08:27:06,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576808788] [2020-10-15 08:27:06,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 08:27:06,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:27:06,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 08:27:06,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 08:27:06,016 INFO L87 Difference]: Start difference. First operand 917 states and 1171 transitions. Second operand 12 states. [2020-10-15 08:27:06,166 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 08:27:06,342 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 08:27:06,517 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 08:27:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:27:16,784 INFO L93 Difference]: Finished difference Result 2115 states and 2763 transitions. [2020-10-15 08:27:16,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 08:27:16,785 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 126 [2020-10-15 08:27:16,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:27:16,799 INFO L225 Difference]: With dead ends: 2115 [2020-10-15 08:27:16,799 INFO L226 Difference]: Without dead ends: 1220 [2020-10-15 08:27:16,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-10-15 08:27:16,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2020-10-15 08:27:16,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1012. [2020-10-15 08:27:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1012 states. [2020-10-15 08:27:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1301 transitions. [2020-10-15 08:27:16,933 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1301 transitions. Word has length 126 [2020-10-15 08:27:16,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:27:16,936 INFO L479 AbstractCegarLoop]: Abstraction has 1012 states and 1301 transitions. [2020-10-15 08:27:16,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 08:27:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1301 transitions. [2020-10-15 08:27:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 08:27:16,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:27:16,946 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-15 08:27:16,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 08:27:16,946 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:27:16,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:27:16,947 INFO L82 PathProgramCache]: Analyzing trace with hash 2097619666, now seen corresponding path program 1 times [2020-10-15 08:27:16,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:27:16,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538751939] [2020-10-15 08:27:16,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:27:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 08:27:17,069 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 08:27:17,069 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 08:27:17,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 08:27:17,090 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2020-10-15 08:27:17,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:27:17 BoogieIcfgContainer [2020-10-15 08:27:17,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 08:27:17,141 INFO L168 Benchmark]: Toolchain (without parser) took 89940.71 ms. Allocated memory was 145.2 MB in the beginning and 707.3 MB in the end (delta: 562.0 MB). Free memory was 94.1 MB in the beginning and 165.3 MB in the end (delta: -71.2 MB). Peak memory consumption was 490.9 MB. Max. memory is 7.1 GB. [2020-10-15 08:27:17,143 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 08:27:17,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1580.23 ms. Allocated memory was 145.2 MB in the beginning and 207.6 MB in the end (delta: 62.4 MB). Free memory was 93.7 MB in the beginning and 110.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. [2020-10-15 08:27:17,151 INFO L168 Benchmark]: Boogie Preprocessor took 152.68 ms. Allocated memory is still 207.6 MB. Free memory was 110.6 MB in the beginning and 103.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2020-10-15 08:27:17,153 INFO L168 Benchmark]: RCFGBuilder took 3298.07 ms. Allocated memory was 207.6 MB in the beginning and 265.8 MB in the end (delta: 58.2 MB). Free memory was 103.0 MB in the beginning and 127.6 MB in the end (delta: -24.6 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. [2020-10-15 08:27:17,158 INFO L168 Benchmark]: TraceAbstraction took 84903.68 ms. Allocated memory was 265.8 MB in the beginning and 707.3 MB in the end (delta: 441.5 MB). Free memory was 127.6 MB in the beginning and 165.3 MB in the end (delta: -37.7 MB). Peak memory consumption was 403.7 MB. Max. memory is 7.1 GB. [2020-10-15 08:27:17,162 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1580.23 ms. Allocated memory was 145.2 MB in the beginning and 207.6 MB in the end (delta: 62.4 MB). Free memory was 93.7 MB in the beginning and 110.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.68 ms. Allocated memory is still 207.6 MB. Free memory was 110.6 MB in the beginning and 103.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3298.07 ms. Allocated memory was 207.6 MB in the beginning and 265.8 MB in the end (delta: 58.2 MB). Free memory was 103.0 MB in the beginning and 127.6 MB in the end (delta: -24.6 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 84903.68 ms. Allocated memory was 265.8 MB in the beginning and 707.3 MB in the end (delta: 441.5 MB). Free memory was 127.6 MB in the beginning and 165.3 MB in the end (delta: -37.7 MB). Peak memory consumption was 403.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5321]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 5446. Possible FailurePath: [L5344] int ldv_state_variable_1 ; [L5345] int LDV_IN_INTERRUPT = 1; [L5346] struct archdr *rfc1051_proto_group0 ; [L5347] int ref_cnt ; [L5348] int ldv_state_variable_0 ; [L5349] struct net_device *rfc1051_proto_group1 ; [L5368-L5371] static struct ArcProto rfc1051_proto = {115, 507, 1, & rx, & build_header, & prepare_tx, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , int ))0}; [L5554] int ldv_retval_0 ; [L5750] Element set_impl[15] ; [L5751] int last_index = 0; [L5885] Set LDV_SKBS ; [L5571] int ldvarg1 ; [L5572] int tmp ; [L5573] unsigned short ldvarg4 ; [L5574] unsigned short tmp___0 ; [L5575] struct sk_buff *ldvarg3 ; [L5576] void *tmp___1 ; [L5577] int ldvarg0 ; [L5578] int tmp___2 ; [L5579] int ldvarg5 ; [L5580] int tmp___3 ; [L5581] uint8_t ldvarg2 ; [L5582] int ldvarg6 ; [L5583] int tmp___4 ; [L5584] int tmp___5 ; [L5585] int tmp___6 ; [L5586] int tmp___7 ; [L5588] tmp = __VERIFIER_nondet_int() [L5589] ldvarg1 = tmp [L5590] tmp___0 = __VERIFIER_nondet_ushort() [L5591] ldvarg4 = tmp___0 [L5592] CALL, EXPR ldv_successful_zalloc(232UL) [L5263] EXPR, FCALL calloc(1UL, __size) [L5263] void *p = calloc(1UL, __size); [L5264] CALL assume_abort_if_not(p != (void *)0) [L5260] COND FALSE !(!cond) [L5264] RET assume_abort_if_not(p != (void *)0) [L5265] return p; [L5592] RET, EXPR ldv_successful_zalloc(232UL) [L5592] tmp___1 = ldv_successful_zalloc(232UL) [L5593] ldvarg3 = (struct sk_buff *)tmp___1 [L5594] tmp___2 = __VERIFIER_nondet_int() [L5595] ldvarg0 = tmp___2 [L5596] tmp___3 = __VERIFIER_nondet_int() [L5597] ldvarg5 = tmp___3 [L5598] tmp___4 = __VERIFIER_nondet_int() [L5599] ldvarg6 = tmp___4 [L5600] CALL ldv_initialize() [L5904] CALL ldv_set_init(LDV_SKBS) [L5756] set = set_impl [L5757] last_index = 0 [L5904] RET ldv_set_init(LDV_SKBS) [L5600] RET ldv_initialize() [L5601] FCALL memset((void *)(& ldvarg2), 0, 1UL) [L5602] ldv_state_variable_1 = 0 [L5603] ref_cnt = 0 [L5604] ldv_state_variable_0 = 1 [L5606] tmp___5 = __VERIFIER_nondet_int() [L5608] case 0: [L5640] case 1: [L5641] COND TRUE ldv_state_variable_0 != 0 [L5642] tmp___7 = __VERIFIER_nondet_int() [L5644] case 0: [L5652] case 1: [L5653] COND TRUE ldv_state_variable_0 == 1 [L5654] CALL, EXPR arcnet_rfc1051_init() [L5376] arc_proto_map[241] = & rfc1051_proto [L5377] EXPR arc_proto_map[241] [L5377] arc_proto_map[240] = arc_proto_map[241] [L5378] COND TRUE (unsigned long )arc_bcast_proto == (unsigned long )arc_proto_default [L5379] arc_bcast_proto = & rfc1051_proto [L5382] return (0); [L5654] RET, EXPR arcnet_rfc1051_init() [L5654] ldv_retval_0 = arcnet_rfc1051_init() [L5655] COND TRUE ldv_retval_0 == 0 [L5656] ldv_state_variable_0 = 3 [L5657] ldv_state_variable_1 = 1 [L5658] CALL ldv_initialize_ArcProto_1() [L5559] void *tmp ; [L5560] void *tmp___0 ; [L5562] CALL, EXPR ldv_successful_zalloc(20UL) [L5263] EXPR, FCALL calloc(1UL, __size) [L5263] void *p = calloc(1UL, __size); [L5264] CALL assume_abort_if_not(p != (void *)0) [L5260] COND FALSE !(!cond) [L5264] RET assume_abort_if_not(p != (void *)0) [L5265] return p; [L5562] RET, EXPR ldv_successful_zalloc(20UL) [L5562] tmp = ldv_successful_zalloc(20UL) [L5563] rfc1051_proto_group0 = (struct archdr *)tmp [L5564] CALL, EXPR ldv_successful_zalloc(3264UL) [L5263] EXPR, FCALL calloc(1UL, __size) [L5263] void *p = calloc(1UL, __size); [L5264] CALL assume_abort_if_not(p != (void *)0) [L5260] COND FALSE !(!cond) [L5264] RET assume_abort_if_not(p != (void *)0) [L5265] return p; [L5564] RET, EXPR ldv_successful_zalloc(3264UL) [L5564] tmp___0 = ldv_successful_zalloc(3264UL) [L5565] rfc1051_proto_group1 = (struct net_device *)tmp___0 [L5658] RET ldv_initialize_ArcProto_1() [L5661] COND FALSE !(ldv_retval_0 != 0) [L5606] tmp___5 = __VERIFIER_nondet_int() [L5608] case 0: [L5609] COND TRUE ldv_state_variable_1 != 0 [L5610] tmp___6 = __VERIFIER_nondet_int() [L5612] case 0: [L5619] case 1: [L5626] case 2: [L5627] COND TRUE ldv_state_variable_1 == 1 [L5628] CALL rx(rfc1051_proto_group1, ldvarg1, rfc1051_proto_group0, ldvarg0) [L5428] struct arcnet_local *lp ; [L5429] void *tmp ; [L5430] struct sk_buff *skb ; [L5431] struct archdr *pkt ; [L5432] int ofs ; [L5433] size_t __len ; [L5434] void *__ret ; [L5436] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5354] return ((void *)dev + 3264U); [L5436] RET, EXPR netdev_priv((struct net_device const *)dev) [L5436] tmp = netdev_priv((struct net_device const *)dev) [L5437] lp = (struct arcnet_local *)tmp [L5438] pkt = pkthdr [L5439] COND TRUE length > 256 [L5440] ofs = 512 - length [L5444] CALL, EXPR ldv_alloc_skb_14((unsigned int )(length + 4), 32U) [L5730] struct sk_buff *tmp ; [L5732] CALL, EXPR ldv_skb_alloc() [L5888] void *skb ; [L5889] void *tmp___7 ; [L5891] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5263] EXPR, FCALL calloc(1UL, __size) [L5263] void *p = calloc(1UL, __size); [L5264] CALL assume_abort_if_not(p != (void *)0) [L5260] COND FALSE !(!cond) [L5264] RET assume_abort_if_not(p != (void *)0) [L5265] return p; [L5891] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5891] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5892] skb = (struct sk_buff___0 *)tmp___7 [L5893] COND FALSE !(! skb) [L5896] CALL ldv_set_add(LDV_SKBS, skb) [L5764] int i ; [L5766] i = 0 [L5767] COND TRUE 1 [L5768] COND FALSE !(i < last_index) [L5778] COND TRUE last_index < 15 [L5779] set_impl[last_index] = e [L5780] last_index = last_index + 1 [L5896] RET ldv_set_add(LDV_SKBS, skb) [L5897] return (skb); [L5732] RET, EXPR ldv_skb_alloc() [L5732] tmp = ldv_skb_alloc() [L5733] COND TRUE \read(*tmp) [L5735] CALL, EXPR ldv_malloc(size) [L5269] void *p ; [L5270] void *tmp ; [L5271] int tmp___0 ; [L5273] tmp___0 = __VERIFIER_nondet_int() [L5274] COND TRUE tmp___0 != 0 [L5275] return ((void *)0); [L5735] RET, EXPR ldv_malloc(size) [L5735] tmp->head = ldv_malloc(size) [L5736] EXPR tmp->head [L5736] tmp->data = tmp->head [L5738] return (tmp); [L5444] RET, EXPR ldv_alloc_skb_14((unsigned int )(length + 4), 32U) [L5444] skb = ldv_alloc_skb_14((unsigned int )(length + 4), 32U) [L5445] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L5446] COND TRUE arcnet_debug & 1 [L5450] EXPR dev->stats.rx_dropped [L5450] dev->stats.rx_dropped = dev->stats.rx_dropped + 1UL [L5628] RET rx(rfc1051_proto_group1, ldvarg1, rfc1051_proto_group0, ldvarg0) [L5629] ldv_state_variable_1 = 1 [L5606] tmp___5 = __VERIFIER_nondet_int() [L5608] case 0: [L5640] case 1: [L5641] COND TRUE ldv_state_variable_0 != 0 [L5642] tmp___7 = __VERIFIER_nondet_int() [L5644] case 0: [L5645] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5646] CALL arcnet_rfc1051_exit() [L5388] FCALL arcnet_unregister_proto(& rfc1051_proto) [L5646] RET arcnet_rfc1051_exit() [L5647] ldv_state_variable_0 = 2 [L5682] CALL ldv_check_final_state() [L5955] int tmp___7 ; [L5957] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L5846] return (last_index == 0); [L5957] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L5957] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L5958] COND FALSE !(\read(tmp___7)) [L5960] CALL ldv_error() [L5321] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 57 procedures, 358 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 84.7s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 69.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1129 SDtfs, 3570 SDslu, 3445 SDs, 0 SdLazy, 5895 SolverSat, 2128 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 63.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1012occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 463 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 602 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 422 ConstructedInterpolants, 0 QuantifiedInterpolants, 157741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 50/50 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...