/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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 08:35:58,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 08:35:58,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 08:35:58,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 08:35:58,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 08:35:58,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 08:35:58,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 08:35:58,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 08:35:58,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 08:35:58,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 08:35:58,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 08:35:58,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 08:35:58,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 08:35:58,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 08:35:58,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 08:35:58,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 08:35:58,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 08:35:58,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 08:35:58,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 08:35:58,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 08:35:58,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 08:35:58,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 08:35:58,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 08:35:58,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 08:35:58,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 08:35:58,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 08:35:58,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 08:35:58,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 08:35:58,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 08:35:58,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 08:35:58,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 08:35:58,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 08:35:58,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 08:35:58,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 08:35:58,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 08:35:58,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 08:35:58,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 08:35:58,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 08:35:58,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 08:35:58,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 08:35:58,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 08:35:58,933 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 08:35:58,974 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 08:35:58,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 08:35:58,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 08:35:58,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 08:35:58,976 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 08:35:58,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 08:35:58,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 08:35:58,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 08:35:58,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 08:35:58,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 08:35:58,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 08:35:58,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 08:35:58,978 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 08:35:58,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 08:35:58,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 08:35:58,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 08:35:58,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 08:35:58,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 08:35:58,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:35:58,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 08:35:58,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 08:35:58,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 08:35:58,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 08:35:58,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 08:35:58,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 08:35:58,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 08:35:58,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 08:35:58,982 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 08:35:59,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 08:35:59,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 08:35:59,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 08:35:59,327 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 08:35:59,328 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 08:35:59,329 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-15 08:35:59,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0ddc506e/5fd4fa8a10e24ec388770061d097bef7/FLAGab1a8e2af [2020-10-15 08:36:00,090 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 08:36:00,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-15 08:36:00,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0ddc506e/5fd4fa8a10e24ec388770061d097bef7/FLAGab1a8e2af [2020-10-15 08:36:00,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0ddc506e/5fd4fa8a10e24ec388770061d097bef7 [2020-10-15 08:36:00,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 08:36:00,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 08:36:00,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 08:36:00,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 08:36:00,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 08:36:00,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:36:00" (1/1) ... [2020-10-15 08:36:00,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ec240c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:00, skipping insertion in model container [2020-10-15 08:36:00,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:36:00" (1/1) ... [2020-10-15 08:36:00,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 08:36:00,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 08:36:01,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:36:01,480 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 08:36:01,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:36:01,753 INFO L208 MainTranslator]: Completed translation [2020-10-15 08:36:01,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:01 WrapperNode [2020-10-15 08:36:01,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 08:36:01,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 08:36:01,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 08:36:01,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 08:36:01,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:01" (1/1) ... [2020-10-15 08:36:01,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:01" (1/1) ... [2020-10-15 08:36:01,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:01" (1/1) ... [2020-10-15 08:36:01,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:01" (1/1) ... [2020-10-15 08:36:01,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:01" (1/1) ... [2020-10-15 08:36:01,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:01" (1/1) ... [2020-10-15 08:36:01,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:01" (1/1) ... [2020-10-15 08:36:01,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 08:36:01,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 08:36:01,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 08:36:01,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 08:36:01,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:01" (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 08:36:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 08:36:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 08:36:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-10-15 08:36:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-15 08:36:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-15 08:36:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-15 08:36:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-15 08:36:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-15 08:36:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-10-15 08:36:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-10-15 08:36:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-15 08:36:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-15 08:36:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-10-15 08:36:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-10-15 08:36:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 08:36:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-10-15 08:36:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 08:36:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 08:36:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 08:36:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 08:36:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 08:36:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 08:36:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 08:36:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 08:36:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-15 08:36:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-15 08:36:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-10-15 08:36:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-10-15 08:36:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-10-15 08:36:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-10-15 08:36:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-10-15 08:36:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-10-15 08:36:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-10-15 08:36:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-10-15 08:36:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-10-15 08:36:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-10-15 08:36:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-10-15 08:36:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-10-15 08:36:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-10-15 08:36:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-10-15 08:36:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-10-15 08:36:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-10-15 08:36:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 08:36:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-15 08:36:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-15 08:36:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-15 08:36:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-15 08:36:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-15 08:36:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-10-15 08:36:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-10-15 08:36:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-10-15 08:36:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-15 08:36:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-15 08:36:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-15 08:36:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-15 08:36:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-15 08:36:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 08:36:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-15 08:36:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-15 08:36:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-15 08:36:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-15 08:36:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 08:36:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-15 08:36:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-15 08:36:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-15 08:36:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-15 08:36:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-15 08:36:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 08:36:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-15 08:36:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-15 08:36:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-10-15 08:36:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-15 08:36:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-10-15 08:36:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-10-15 08:36:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-10-15 08:36:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-10-15 08:36:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-10-15 08:36:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-10-15 08:36:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-10-15 08:36:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-15 08:36:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-15 08:36:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-10-15 08:36:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-15 08:36:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-15 08:36:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-15 08:36:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-15 08:36:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-10-15 08:36:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 08:36:02,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 08:36:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 08:36:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 08:36:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-15 08:36:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-15 08:36:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-15 08:36:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 08:36:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-15 08:36:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-15 08:36:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-15 08:36:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-15 08:36:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-15 08:36:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-15 08:36:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-15 08:36:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-15 08:36:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-15 08:36:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 08:36:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-15 08:36:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-10-15 08:36:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-10-15 08:36:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 08:36:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-15 08:36:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-15 08:36:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-15 08:36:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-15 08:36:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-15 08:36:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 08:36:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-10-15 08:36:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-10-15 08:36:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-10-15 08:36:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-15 08:36:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-15 08:36:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-15 08:36:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 08:36:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 08:36:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 08:36:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 08:36:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 08:36:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 08:36:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-10-15 08:36:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 08:36:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 08:36:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 08:36:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 08:36:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 08:36:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 08:36:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 08:36:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 08:36:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 08:36:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-10-15 08:36:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-15 08:36:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-15 08:36:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-15 08:36:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-10-15 08:36:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-10-15 08:36:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-10-15 08:36:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-10-15 08:36:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-15 08:36:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-10-15 08:36:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-10-15 08:36:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-10-15 08:36:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-10-15 08:36:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-10-15 08:36:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-10-15 08:36:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-10-15 08:36:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-10-15 08:36:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-10-15 08:36:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-10-15 08:36:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-10-15 08:36:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 08:36:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-10-15 08:36:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-10-15 08:36:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-10-15 08:36:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-10-15 08:36:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-10-15 08:36:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-10-15 08:36:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-10-15 08:36:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-10-15 08:36:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-10-15 08:36:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 08:36:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-10-15 08:36:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-10-15 08:36:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-15 08:36:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-10-15 08:36:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-10-15 08:36:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 08:36:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 08:36:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 08:36:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-15 08:36:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-15 08:36:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-15 08:36:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-15 08:36:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-15 08:36:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 08:36:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-15 08:36:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-15 08:36:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-15 08:36:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-15 08:36:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-15 08:36:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-15 08:36:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 08:36:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 08:36:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 08:36:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 08:36:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 08:36:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 08:36:02,536 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 08:36:03,334 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 08:36:03,335 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 08:36:03,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:36:03 BoogieIcfgContainer [2020-10-15 08:36:03,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 08:36:03,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 08:36:03,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 08:36:03,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 08:36:03,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:36:00" (1/3) ... [2020-10-15 08:36:03,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f68485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:36:03, skipping insertion in model container [2020-10-15 08:36:03,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:01" (2/3) ... [2020-10-15 08:36:03,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f68485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:36:03, skipping insertion in model container [2020-10-15 08:36:03,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:36:03" (3/3) ... [2020-10-15 08:36:03,350 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-15 08:36:03,360 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 08:36:03,369 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 08:36:03,383 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 08:36:03,409 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 08:36:03,409 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 08:36:03,409 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 08:36:03,410 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 08:36:03,410 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 08:36:03,410 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 08:36:03,410 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 08:36:03,410 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 08:36:03,437 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2020-10-15 08:36:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-15 08:36:03,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:36:03,449 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] [2020-10-15 08:36:03,450 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:36:03,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:36:03,456 INFO L82 PathProgramCache]: Analyzing trace with hash 856791813, now seen corresponding path program 1 times [2020-10-15 08:36:03,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:36:03,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685134855] [2020-10-15 08:36:03,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:36:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:03,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:04,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:04,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:04,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 08:36:04,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:36:04,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 902 [2020-10-15 08:36:04,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:04,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:04,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:36:04,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 08:36:04,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 08:36:04,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 08:36:04,913 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 08:36:04,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:04,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:04,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:04,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:04,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:04,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 08:36:04,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:04,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:04,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:04,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:04,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:04,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:04,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:04,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:05,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:05,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:36:05,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:05,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 08:36:05,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:05,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:05,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:05,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:05,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:05,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:05,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:05,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:36:05,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:05,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:05,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:05,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:05,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:05,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:05,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:05,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:36:05,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:05,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:05,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:05,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:05,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:05,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 08:36:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:05,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:05,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:05,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:36:05,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:05,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 08:36:05,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:05,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:05,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:05,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:05,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:36:05,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:05,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:05,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:05,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:05,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:05,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:05,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:36:05,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:05,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 08:36:05,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:05,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 08:36:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:05,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:05,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:05,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:36:05,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:05,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:36:05,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:05,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:05,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:05,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:05,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 08:36:05,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:05,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:05,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:05,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:05,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:05,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:05,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:36:05,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:05,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:05,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:05,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 08:36:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:05,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:05,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:05,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:05,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:05,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 08:36:05,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:05,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 08:36:05,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:05,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:36:05,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:05,264 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 08:36:05,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685134855] [2020-10-15 08:36:05,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:36:05,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 08:36:05,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778950591] [2020-10-15 08:36:05,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 08:36:05,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:36:05,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 08:36:05,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-15 08:36:05,302 INFO L87 Difference]: Start difference. First operand 477 states. Second operand 10 states. [2020-10-15 08:36:05,464 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-15 08:36:05,660 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 08:36:05,841 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 08:36:07,013 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-10-15 08:36:07,239 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 08:36:09,121 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 08:36:13,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:36:13,050 INFO L93 Difference]: Finished difference Result 1330 states and 1794 transitions. [2020-10-15 08:36:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 08:36:13,053 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-15 08:36:13,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:36:13,083 INFO L225 Difference]: With dead ends: 1330 [2020-10-15 08:36:13,084 INFO L226 Difference]: Without dead ends: 908 [2020-10-15 08:36:13,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-10-15 08:36:13,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-15 08:36:13,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 771. [2020-10-15 08:36:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2020-10-15 08:36:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 953 transitions. [2020-10-15 08:36:13,314 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 953 transitions. Word has length 54 [2020-10-15 08:36:13,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:36:13,315 INFO L479 AbstractCegarLoop]: Abstraction has 771 states and 953 transitions. [2020-10-15 08:36:13,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 08:36:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 953 transitions. [2020-10-15 08:36:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-15 08:36:13,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:36:13,335 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-15 08:36:13,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 08:36:13,335 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:36:13,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:36:13,336 INFO L82 PathProgramCache]: Analyzing trace with hash 525242581, now seen corresponding path program 1 times [2020-10-15 08:36:13,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:36:13,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800450937] [2020-10-15 08:36:13,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:36:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:13,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:13,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:13,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:13,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:14,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:16,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:16,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-15 08:36:16,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 08:36:16,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3537 [2020-10-15 08:36:16,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:16,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-15 08:36:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 08:36:16,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:17,161 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 08:36:17,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:17,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 08:36:17,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:17,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:36:17,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:36:17,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:17,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:17,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:36:17,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:17,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:17,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:17,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:17,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 08:36:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:36:17,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 08:36:17,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:17,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:17,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:36:17,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:17,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 08:36:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 08:36:17,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:36:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-15 08:36:17,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 08:36:17,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:17,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:17,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:17,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:17,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:17,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 08:36:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:17,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:36:17,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:17,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 08:36:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 08:36:17,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:36:17,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 08:36:17,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:17,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 08:36:17,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 08:36:17,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:17,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 08:36:17,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 08:36:17,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:36:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 08:36:17,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:17,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-15 08:36:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:36:17,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:36:17,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 08:36:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 08:36:17,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:17,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:17,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:17,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-15 08:36:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:17,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:17,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:17,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:17,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:17,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:36:17,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:17,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:17,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:17,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:36:17,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:17,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-15 08:36:17,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800450937] [2020-10-15 08:36:17,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:36:17,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 08:36:17,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426243918] [2020-10-15 08:36:17,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 08:36:17,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:36:17,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 08:36:17,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-15 08:36:17,697 INFO L87 Difference]: Start difference. First operand 771 states and 953 transitions. Second operand 10 states. [2020-10-15 08:36:18,081 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 08:36:19,288 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 08:36:22,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:36:22,918 INFO L93 Difference]: Finished difference Result 2149 states and 2871 transitions. [2020-10-15 08:36:22,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 08:36:22,919 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-10-15 08:36:22,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:36:22,936 INFO L225 Difference]: With dead ends: 2149 [2020-10-15 08:36:22,937 INFO L226 Difference]: Without dead ends: 1733 [2020-10-15 08:36:22,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-15 08:36:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2020-10-15 08:36:23,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1475. [2020-10-15 08:36:23,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1475 states. [2020-10-15 08:36:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1832 transitions. [2020-10-15 08:36:23,130 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1832 transitions. Word has length 96 [2020-10-15 08:36:23,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:36:23,133 INFO L479 AbstractCegarLoop]: Abstraction has 1475 states and 1832 transitions. [2020-10-15 08:36:23,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 08:36:23,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1832 transitions. [2020-10-15 08:36:23,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-15 08:36:23,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:36:23,141 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:36:23,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 08:36:23,142 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:36:23,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:36:23,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1050911378, now seen corresponding path program 1 times [2020-10-15 08:36:23,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:36:23,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520177031] [2020-10-15 08:36:23,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:36:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:23,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:23,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:23,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:23,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:23,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-15 08:36:28,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 08:36:28,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-15 08:36:28,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 08:36:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:36:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-15 08:36:28,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:28,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:28,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 08:36:28,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 08:36:28,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:36:28,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 08:36:28,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 08:36:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:28,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:28,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:28,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:28,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:28,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:28,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:36:28,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:28,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:28,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 08:36:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:36:28,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 08:36:28,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 08:36:28,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:28,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:28,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:28,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:28,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:28,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:28,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 08:36:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 08:36:28,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-15 08:36:28,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 08:36:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:36:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-15 08:36:28,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:28,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:28,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:36:28,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:36:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 08:36:28,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:28,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 08:36:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:28,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:36:28,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:28,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:36:28,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:28,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 08:36:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 08:36:28,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 08:36:28,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:28,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 08:36:28,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:28,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 08:36:28,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:36:28,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:28,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:28,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 08:36:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 08:36:28,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:36:28,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 08:36:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:28,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:28,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:28,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:28,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:28,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:28,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:28,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:28,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:28,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:29,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 08:36:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:29,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:29,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:29,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:29,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:29,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:36:29,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:29,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:29,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:29,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:36:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:29,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 08:36:29,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520177031] [2020-10-15 08:36:29,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 08:36:29,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 08:36:29,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014022397] [2020-10-15 08:36:29,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 08:36:29,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:36:29,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 08:36:29,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-15 08:36:29,041 INFO L87 Difference]: Start difference. First operand 1475 states and 1832 transitions. Second operand 13 states. [2020-10-15 08:36:29,628 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 08:36:31,978 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 08:36:32,605 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 08:36:32,881 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 08:36:37,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:36:37,075 INFO L93 Difference]: Finished difference Result 4090 states and 5244 transitions. [2020-10-15 08:36:37,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-15 08:36:37,076 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 102 [2020-10-15 08:36:37,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:36:37,089 INFO L225 Difference]: With dead ends: 4090 [2020-10-15 08:36:37,090 INFO L226 Difference]: Without dead ends: 2327 [2020-10-15 08:36:37,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2020-10-15 08:36:37,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2020-10-15 08:36:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 1970. [2020-10-15 08:36:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1970 states. [2020-10-15 08:36:37,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1970 states and 2433 transitions. [2020-10-15 08:36:37,273 INFO L78 Accepts]: Start accepts. Automaton has 1970 states and 2433 transitions. Word has length 102 [2020-10-15 08:36:37,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:36:37,274 INFO L479 AbstractCegarLoop]: Abstraction has 1970 states and 2433 transitions. [2020-10-15 08:36:37,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 08:36:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2433 transitions. [2020-10-15 08:36:37,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-15 08:36:37,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:36:37,279 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:36:37,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 08:36:37,280 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:36:37,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:36:37,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1545611616, now seen corresponding path program 1 times [2020-10-15 08:36:37,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:36:37,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760950326] [2020-10-15 08:36:37,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:36:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:37,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:37,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:37,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:37,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:39,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:42,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:42,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-15 08:36:42,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 08:36:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-15 08:36:42,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:42,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 08:36:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 08:36:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 08:36:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:42,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:42,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:42,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:42,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:42,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 08:36:42,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:42,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:42,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:42,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:42,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:42,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:36:42,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:42,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 08:36:42,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:42,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:42,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:42,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:42,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:42,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:42,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:42,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:42,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:42,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:42,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:42,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:42,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:42,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:42,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:42,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:42,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:42,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:42,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:42,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:42,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:42,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:42,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:42,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:42,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:42,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:42,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 08:36:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:42,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:42,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:42,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:36:42,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:42,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:36:42,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:42,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:36:42,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:42,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:42,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:42,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:42,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:42,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:42,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:42,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:42,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:42,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:42,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:42,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 08:36:42,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:42,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 08:36:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:42,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 08:36:43,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-15 08:36:43,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 08:36:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-15 08:36:43,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 08:36:43,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-15 08:36:43,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 08:36:43,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:43,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 08:36:43,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:43,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 08:36:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 08:36:43,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:36:43,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:43,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:43,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 08:36:43,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:43,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:43,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:43,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:43,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:43,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 08:36:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 08:36:43,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:36:43,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:43,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 08:36:43,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:43,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:43,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:43,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:43,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:43,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 08:36:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:43,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:36:43,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:43,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:43,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:36:43,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 08:36:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 08:36:43,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-15 08:36:43,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 08:36:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 08:36:43,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 08:36:43,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-15 08:36:43,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 08:36:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 08:36:43,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 08:36:43,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 08:36:43,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 08:36:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 08:36:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 08:36:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 08:36:43,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:43,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 08:36:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:43,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:43,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:43,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:43,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 08:36:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:43,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:43,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:43,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:43,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:43,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:43,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:43,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:43,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:43,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:36:43,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:43,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:43,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 08:36:43,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760950326] [2020-10-15 08:36:43,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:36:43,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 08:36:43,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733679962] [2020-10-15 08:36:43,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 08:36:43,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:36:43,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 08:36:43,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-15 08:36:43,781 INFO L87 Difference]: Start difference. First operand 1970 states and 2433 transitions. Second operand 12 states. [2020-10-15 08:36:45,390 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-10-15 08:36:46,812 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-10-15 08:36:47,027 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-10-15 08:36:50,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:36:50,731 INFO L93 Difference]: Finished difference Result 4226 states and 5414 transitions. [2020-10-15 08:36:50,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-15 08:36:50,732 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 128 [2020-10-15 08:36:50,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:36:50,746 INFO L225 Difference]: With dead ends: 4226 [2020-10-15 08:36:50,746 INFO L226 Difference]: Without dead ends: 2282 [2020-10-15 08:36:50,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=225, Invalid=767, Unknown=0, NotChecked=0, Total=992 [2020-10-15 08:36:50,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2020-10-15 08:36:50,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1698. [2020-10-15 08:36:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1698 states. [2020-10-15 08:36:50,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 2045 transitions. [2020-10-15 08:36:50,916 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 2045 transitions. Word has length 128 [2020-10-15 08:36:50,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:36:50,919 INFO L479 AbstractCegarLoop]: Abstraction has 1698 states and 2045 transitions. [2020-10-15 08:36:50,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 08:36:50,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2045 transitions. [2020-10-15 08:36:50,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-15 08:36:50,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:36:50,926 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:36:50,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 08:36:50,926 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:36:50,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:36:50,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1002957910, now seen corresponding path program 1 times [2020-10-15 08:36:50,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:36:50,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [189505244] [2020-10-15 08:36:50,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:36:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:51,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:51,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:52,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-15 08:36:55,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 08:36:55,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4416 [2020-10-15 08:36:55,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-15 08:36:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 08:36:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-15 08:36:55,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:55,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:36:55,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:36:55,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:36:55,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:55,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:55,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:55,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:55,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 08:36:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:36:55,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:36:55,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:55,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:36:55,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:55,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:55,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 08:36:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 08:36:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 08:36:55,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:36:55,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 08:36:55,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:55,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:55,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:55,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 08:36:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 08:36:55,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 08:36:55,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 08:36:55,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:36:55,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:36:55,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:55,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:55,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:55,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:55,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:55,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 08:36:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:36:55,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:36:55,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:55,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:55,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:55,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:55,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:55,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:55,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:55,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:55,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:55,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:55,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 08:36:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:55,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:56,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:56,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-15 08:36:56,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:56,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-15 08:36:56,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:56,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-15 08:36:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-15 08:36:56,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:56,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:56,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:56,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:56,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:56,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:56,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:36:56,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:56,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:36:56,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:56,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 08:36:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:56,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:56,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:56,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:56,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:56,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:36:56,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:56,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:56,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:56,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:56,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:36:56,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:56,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 08:36:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:56,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:56,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:56,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:56,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:56,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:36:56,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:56,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:56,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:56,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:56,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:36:56,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:56,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 08:36:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:56,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:56,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:56,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 08:36:56,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-15 08:36:56,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:56,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 08:36:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 08:36:56,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:56,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:56,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:56,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:56,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-15 08:36:56,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:56,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-15 08:36:56,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:56,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 08:36:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-15 08:36:56,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:57,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-15 08:36:57,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-15 08:36:57,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 08:36:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-15 08:36:57,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:57,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 08:36:57,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-15 08:36:57,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 08:36:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 08:36:57,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:57,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:36:57,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 08:36:57,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 08:36:57,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:57,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:57,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:57,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:57,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:57,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:57,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:57,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:57,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:57,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:57,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:57,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:57,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:57,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:36:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 08:36:57,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 08:36:57,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:36:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 08:36:57,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:57,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 08:36:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 08:36:57,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 08:36:57,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 08:36:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 08:36:57,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:57,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 08:36:57,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 08:36:57,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 08:36:57,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:57,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 08:36:57,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:57,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-15 08:36:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:36:57,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:36:57,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 08:36:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:57,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:57,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:57,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:57,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:57,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:57,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-15 08:36:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:57,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:57,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:57,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:57,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:57,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:36:57,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:57,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:57,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:57,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:36:57,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:57,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:36:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-15 08:36:57,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [189505244] [2020-10-15 08:36:57,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:36:57,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-15 08:36:57,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559675590] [2020-10-15 08:36:57,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 08:36:57,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:36:57,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 08:36:57,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-10-15 08:36:57,720 INFO L87 Difference]: Start difference. First operand 1698 states and 2045 transitions. Second operand 15 states. [2020-10-15 08:36:58,066 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-10-15 08:36:58,326 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-10-15 08:37:00,140 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 08:37:01,884 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-10-15 08:37:02,135 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-10-15 08:37:06,859 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-10-15 08:37:07,091 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-10-15 08:37:11,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:37:11,162 INFO L93 Difference]: Finished difference Result 3758 states and 5127 transitions. [2020-10-15 08:37:11,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-15 08:37:11,163 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 197 [2020-10-15 08:37:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:37:11,189 INFO L225 Difference]: With dead ends: 3758 [2020-10-15 08:37:11,189 INFO L226 Difference]: Without dead ends: 2969 [2020-10-15 08:37:11,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 60 SyntacticMatches, 7 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=335, Invalid=1305, Unknown=0, NotChecked=0, Total=1640 [2020-10-15 08:37:11,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2020-10-15 08:37:11,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2018. [2020-10-15 08:37:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2018 states. [2020-10-15 08:37:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 2018 states and 2429 transitions. [2020-10-15 08:37:11,750 INFO L78 Accepts]: Start accepts. Automaton has 2018 states and 2429 transitions. Word has length 197 [2020-10-15 08:37:11,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:37:11,751 INFO L479 AbstractCegarLoop]: Abstraction has 2018 states and 2429 transitions. [2020-10-15 08:37:11,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 08:37:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 2429 transitions. [2020-10-15 08:37:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-15 08:37:11,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:37:11,765 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:37:11,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 08:37:11,766 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:37:11,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:37:11,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1170678487, now seen corresponding path program 1 times [2020-10-15 08:37:11,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:37:11,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687286687] [2020-10-15 08:37:11,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:37:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:11,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:11,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:12,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-15 08:37:13,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 08:37:13,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1338 [2020-10-15 08:37:13,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:37:13,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-15 08:37:13,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 08:37:13,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:37:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:13,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:37:13,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:37:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:37:13,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:37:13,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:13,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:37:13,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:37:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:37:13,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 08:37:13,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 08:37:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:37:13,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:37:13,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:37:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:13,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 08:37:13,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:13,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 08:37:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 08:37:13,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:37:13,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:37:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:13,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 08:37:13,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 08:37:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 08:37:13,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 08:37:13,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:37:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 08:37:13,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:37:13,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:37:13,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:13,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 08:37:13,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:13,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:37:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:37:13,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:37:13,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 08:37:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:37:13,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 08:37:13,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:13,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:37:13,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:13,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:37:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:37:13,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:37:13,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:13,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 08:37:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-15 08:37:13,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:37:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-15 08:37:13,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 08:37:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-15 08:37:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:37:13,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:13,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:37:13,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:37:13,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:37:13,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 08:37:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:37:13,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:37:13,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:13,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 08:37:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:13,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:13,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:13,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:13,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:37:13,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:13,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:13,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:13,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 08:37:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 08:37:14,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 08:37:14,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:14,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-15 08:37:14,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 08:37:14,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:14,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:14,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-15 08:37:14,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 08:37:14,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:14,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 08:37:14,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 08:37:14,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:14,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:37:14,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 08:37:14,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 08:37:14,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:14,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:37:14,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:14,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:37:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:37:14,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:37:14,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:14,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 08:37:14,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:37:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 08:37:14,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:37:14,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:14,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 08:37:14,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 08:37:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 08:37:14,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 08:37:14,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 08:37:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 08:37:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:37:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:14,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:37:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:37:14,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 08:37:14,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 08:37:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:37:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:37:14,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:14,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-15 08:37:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:37:14,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:37:14,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 08:37:14,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:14,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:37:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:14,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:37:14,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:14,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-15 08:37:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:14,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:14,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:14,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:14,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:37:14,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:14,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:14,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:14,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:37:14,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:14,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 08:37:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-10-15 08:37:14,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687286687] [2020-10-15 08:37:14,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:37:14,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 08:37:14,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606517336] [2020-10-15 08:37:14,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 08:37:14,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:37:14,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 08:37:14,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-15 08:37:14,742 INFO L87 Difference]: Start difference. First operand 2018 states and 2429 transitions. Second operand 12 states. [2020-10-15 08:37:14,888 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-15 08:37:15,074 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 08:37:19,316 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 08:37:21,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:37:21,302 INFO L93 Difference]: Finished difference Result 6619 states and 8259 transitions. [2020-10-15 08:37:21,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 08:37:21,303 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 199 [2020-10-15 08:37:21,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:37:21,327 INFO L225 Difference]: With dead ends: 6619 [2020-10-15 08:37:21,327 INFO L226 Difference]: Without dead ends: 4627 [2020-10-15 08:37:21,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=206, Invalid=606, Unknown=0, NotChecked=0, Total=812 [2020-10-15 08:37:21,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4627 states. [2020-10-15 08:37:21,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4627 to 3788. [2020-10-15 08:37:21,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3788 states. [2020-10-15 08:37:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 4526 transitions. [2020-10-15 08:37:21,745 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 4526 transitions. Word has length 199 [2020-10-15 08:37:21,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:37:21,746 INFO L479 AbstractCegarLoop]: Abstraction has 3788 states and 4526 transitions. [2020-10-15 08:37:21,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 08:37:21,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 4526 transitions. [2020-10-15 08:37:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-15 08:37:21,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:37:21,756 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:37:21,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 08:37:21,757 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:37:21,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:37:21,757 INFO L82 PathProgramCache]: Analyzing trace with hash 58334816, now seen corresponding path program 1 times [2020-10-15 08:37:21,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:37:21,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530406303] [2020-10-15 08:37:21,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:37:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 08:37:21,835 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 08:37:21,836 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 08:37:21,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 08:37:21,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:37:21 BoogieIcfgContainer [2020-10-15 08:37:21,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 08:37:21,902 INFO L168 Benchmark]: Toolchain (without parser) took 81662.92 ms. Allocated memory was 145.8 MB in the beginning and 1.0 GB in the end (delta: 888.1 MB). Free memory was 94.0 MB in the beginning and 307.7 MB in the end (delta: -213.7 MB). Peak memory consumption was 674.4 MB. Max. memory is 7.1 GB. [2020-10-15 08:37:21,909 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 08:37:21,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1513.80 ms. Allocated memory was 145.8 MB in the beginning and 207.6 MB in the end (delta: 61.9 MB). Free memory was 94.0 MB in the beginning and 101.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. [2020-10-15 08:37:21,913 INFO L168 Benchmark]: Boogie Preprocessor took 159.62 ms. Allocated memory is still 207.6 MB. Free memory was 101.7 MB in the beginning and 94.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2020-10-15 08:37:21,920 INFO L168 Benchmark]: RCFGBuilder took 1427.91 ms. Allocated memory was 207.6 MB in the beginning and 262.1 MB in the end (delta: 54.5 MB). Free memory was 94.0 MB in the beginning and 198.0 MB in the end (delta: -104.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB. [2020-10-15 08:37:21,920 INFO L168 Benchmark]: TraceAbstraction took 78556.37 ms. Allocated memory was 262.1 MB in the beginning and 1.0 GB in the end (delta: 771.8 MB). Free memory was 198.0 MB in the beginning and 307.7 MB in the end (delta: -109.7 MB). Peak memory consumption was 662.1 MB. Max. memory is 7.1 GB. [2020-10-15 08:37:21,927 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1513.80 ms. Allocated memory was 145.8 MB in the beginning and 207.6 MB in the end (delta: 61.9 MB). Free memory was 94.0 MB in the beginning and 101.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 159.62 ms. Allocated memory is still 207.6 MB. Free memory was 101.7 MB in the beginning and 94.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1427.91 ms. Allocated memory was 207.6 MB in the beginning and 262.1 MB in the end (delta: 54.5 MB). Free memory was 94.0 MB in the beginning and 198.0 MB in the end (delta: -104.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 78556.37 ms. Allocated memory was 262.1 MB in the beginning and 1.0 GB in the end (delta: 771.8 MB). Free memory was 198.0 MB in the beginning and 307.7 MB in the end (delta: -109.7 MB). Peak memory consumption was 662.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5309]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5332] int LDV_IN_INTERRUPT = 1; [L5333] struct sk_buff *proto_group0 ; [L5334] int ref_cnt ; [L5335] int ldv_state_variable_1 ; [L5336] struct net_device *proto_group1 ; [L5337] int ldv_state_variable_0 ; [L5553-L5555] static struct hdlc_proto proto = {& x25_open, & x25_close, 0, 0, 0, & x25_ioctl, 0, & x25_rx, & x25_xmit, & __this_module, 0}; [L5622] int ldv_retval_0 ; [L5623] int ldv_retval_1 ; [L5826] Element set_impl[15] ; [L5827] int last_index = 0; [L5961] Set LDV_SKBS ; [L5640] struct ifreq *ldvarg0 ; [L5641] void *tmp ; [L5642] int tmp___0 ; [L5643] int tmp___1 ; [L5644] int tmp___2 ; [L5646] CALL, EXPR ldv_successful_zalloc(40UL) [L5251] EXPR, FCALL calloc(1UL, __size) [L5251] void *p = calloc(1UL, __size); [L5252] CALL assume_abort_if_not(p != (void *)0) [L5248] COND FALSE !(!cond) [L5252] RET assume_abort_if_not(p != (void *)0) [L5253] return p; [L5646] RET, EXPR ldv_successful_zalloc(40UL) [L5646] tmp = ldv_successful_zalloc(40UL) [L5647] ldvarg0 = (struct ifreq *)tmp [L5648] CALL ldv_initialize() [L5980] CALL ldv_set_init(LDV_SKBS) [L5832] set = set_impl [L5833] last_index = 0 [L5980] RET ldv_set_init(LDV_SKBS) [L5648] RET ldv_initialize() [L5649] ldv_state_variable_1 = 0 [L5650] ref_cnt = 0 [L5651] ldv_state_variable_0 = 1 [L5653] tmp___0 = __VERIFIER_nondet_int() [L5655] case 0: [L5720] case 1: [L5721] COND TRUE ldv_state_variable_0 != 0 [L5722] tmp___2 = __VERIFIER_nondet_int() [L5724] case 0: [L5732] case 1: [L5733] COND TRUE ldv_state_variable_0 == 1 [L5734] CALL, EXPR mod_init() [L5611] FCALL register_hdlc_protocol(& proto) [L5612] return (0); [L5734] RET, EXPR mod_init() [L5734] ldv_retval_1 = mod_init() [L5735] COND TRUE ldv_retval_1 == 0 [L5736] ldv_state_variable_0 = 3 [L5737] ldv_state_variable_1 = 1 [L5738] CALL ldv_initialize_hdlc_proto_1() [L5628] void *tmp ; [L5629] void *tmp___0 ; [L5631] CALL, EXPR ldv_successful_zalloc(3264UL) [L5251] EXPR, FCALL calloc(1UL, __size) [L5251] void *p = calloc(1UL, __size); [L5252] CALL assume_abort_if_not(p != (void *)0) [L5248] COND FALSE !(!cond) [L5252] RET assume_abort_if_not(p != (void *)0) [L5253] return p; [L5631] RET, EXPR ldv_successful_zalloc(3264UL) [L5631] tmp = ldv_successful_zalloc(3264UL) [L5632] proto_group1 = (struct net_device *)tmp [L5633] CALL, EXPR ldv_successful_zalloc(232UL) [L5251] EXPR, FCALL calloc(1UL, __size) [L5251] void *p = calloc(1UL, __size); [L5252] CALL assume_abort_if_not(p != (void *)0) [L5248] COND FALSE !(!cond) [L5252] RET assume_abort_if_not(p != (void *)0) [L5253] return p; [L5633] RET, EXPR ldv_successful_zalloc(232UL) [L5633] tmp___0 = ldv_successful_zalloc(232UL) [L5634] proto_group0 = (struct sk_buff *)tmp___0 [L5738] RET ldv_initialize_hdlc_proto_1() [L5741] COND FALSE !(ldv_retval_1 != 0) [L5653] tmp___0 = __VERIFIER_nondet_int() [L5655] case 0: [L5656] COND TRUE ldv_state_variable_1 != 0 [L5657] tmp___1 = __VERIFIER_nondet_int() [L5659] case 0: [L5660] COND TRUE ldv_state_variable_1 == 1 [L5661] CALL x25_xmit(proto_group0, proto_group1) [L5460] int result ; [L5462] CALL assume_abort_if_not(((void*)(skb)) != ((void*) 0)) [L5248] COND FALSE !(!cond) [L5462] RET assume_abort_if_not(((void*)(skb)) != ((void*) 0)) [L5463] EXPR skb->data [L5463] CALL assume_abort_if_not(((void*)((skb->data))) != ((void*) 0)) [L5248] COND FALSE !(!cond) [L5463] RET assume_abort_if_not(((void*)((skb->data))) != ((void*) 0)) [L5464] skb->data [L5465] case 0: [L5473] case 1: [L5485] case 2: [L5486] CALL, EXPR lapb_disconnect_request(dev) [L6069] return __VERIFIER_nondet_int(); [L5486] RET, EXPR lapb_disconnect_request(dev) [L5486] result = lapb_disconnect_request(dev) [L5487] COND TRUE result != 0 [L5488] COND TRUE result == 4 [L5489] CALL x25_disconnected(dev, 0) [L5424] CALL x25_connect_disconnect(dev, reason, 2) [L5398] struct sk_buff *skb ; [L5399] unsigned char *ptr ; [L5401] CALL, EXPR ldv_dev_alloc_skb_12(1U) [L5803] struct sk_buff *tmp ; [L5805] CALL, EXPR ldv_skb_alloc() [L5964] void *skb ; [L5965] void *tmp___7 ; [L5967] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5251] EXPR, FCALL calloc(1UL, __size) [L5251] void *p = calloc(1UL, __size); [L5252] CALL assume_abort_if_not(p != (void *)0) [L5248] COND FALSE !(!cond) [L5252] RET assume_abort_if_not(p != (void *)0) [L5253] return p; [L5967] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5967] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5968] skb = (struct sk_buff___0 *)tmp___7 [L5969] COND FALSE !(! skb) [L5972] CALL ldv_set_add(LDV_SKBS, skb) [L5840] int i ; [L5842] i = 0 [L5843] COND TRUE 1 [L5844] COND FALSE !(i < last_index) [L5854] COND TRUE last_index < 15 [L5855] set_impl[last_index] = e [L5856] last_index = last_index + 1 [L5972] RET ldv_set_add(LDV_SKBS, skb) [L5973] return (skb); [L5805] RET, EXPR ldv_skb_alloc() [L5805] tmp = ldv_skb_alloc() [L5806] return (tmp); [L5401] RET, EXPR ldv_dev_alloc_skb_12(1U) [L5401] skb = ldv_dev_alloc_skb_12(1U) [L5402] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L5424] RET x25_connect_disconnect(dev, reason, 2) [L5489] RET x25_disconnected(dev, 0) [L5501] CALL ldv_skb_free(skb) [L5987] CALL ldv_set_remove(LDV_SKBS, skb) [L5865] int i ; [L5866] int deleted_index ; [L5868] deleted_index = -1 [L5869] i = 0 [L5870] COND TRUE 1 [L5871] COND TRUE i < last_index [L5875] EXPR set_impl[i] [L5875] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L5880] i = i + 1 [L5870] COND TRUE 1 [L5871] COND FALSE !(i < last_index) [L5882] COND FALSE !(deleted_index != -1) [L5987] RET ldv_set_remove(LDV_SKBS, skb) [L5501] RET ldv_skb_free(skb) [L5502] return (0); [L5661] RET x25_xmit(proto_group0, proto_group1) [L5662] ldv_state_variable_1 = 1 [L5665] COND FALSE !(ldv_state_variable_1 == 2) [L5653] tmp___0 = __VERIFIER_nondet_int() [L5655] case 0: [L5720] case 1: [L5721] COND TRUE ldv_state_variable_0 != 0 [L5722] tmp___2 = __VERIFIER_nondet_int() [L5724] case 0: [L5725] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5726] CALL mod_exit() [L5618] FCALL unregister_hdlc_protocol(& proto) [L5726] RET mod_exit() [L5727] ldv_state_variable_0 = 2 [L5762] CALL ldv_check_final_state() [L6031] int tmp___7 ; [L6033] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L5922] return (last_index == 0); [L6033] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6033] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6034] COND FALSE !(\read(tmp___7)) [L6036] CALL ldv_error() [L5309] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 89 procedures, 541 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 78.4s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 48.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2669 SDtfs, 11787 SDslu, 6603 SDs, 0 SdLazy, 17058 SolverSat, 7608 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 241 SyntacticMatches, 11 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1286 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3788occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 3126 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 27.5s InterpolantComputationTime, 977 NumberOfCodeBlocks, 977 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 770 ConstructedInterpolants, 0 QuantifiedInterpolants, 374440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 285/288 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...