/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 SingleStatement --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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=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-c90d42b [2020-09-25 05:04:35,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:04:35,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:04:35,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:04:35,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:04:35,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:04:35,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:04:35,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:04:35,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:04:35,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:04:35,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:04:35,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:04:35,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:04:35,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:04:35,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:04:35,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:04:35,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:04:35,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:04:35,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:04:35,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:04:35,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:04:35,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:04:35,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:04:35,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:04:35,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:04:35,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:04:35,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:04:35,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:04:35,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:04:35,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:04:35,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:04:35,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:04:35,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:04:35,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:04:35,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:04:35,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:04:35,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:04:35,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:04:35,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:04:35,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:04:35,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:04:35,825 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 [2020-09-25 05:04:35,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:04:35,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:04:35,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:04:35,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:04:35,865 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:04:35,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:04:35,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:04:35,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:04:35,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:04:35,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:04:35,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:04:35,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:04:35,868 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:04:35,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:04:35,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:04:35,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:04:35,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:04:35,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:04:35,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:04:35,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:04:35,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:04:35,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:04:35,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:04:35,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:04:35,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:04:35,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:04:35,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 05:04:35,873 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 -> SingleStatement 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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 05:04:36,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:04:36,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:04:36,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:04:36,395 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:04:36,396 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:04:36,397 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 05:04:36,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/334c121c2/9e36866f695d47e598ecf1da536ed3e0/FLAG8baf0aa39 [2020-09-25 05:04:37,366 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:04:37,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 05:04:37,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/334c121c2/9e36866f695d47e598ecf1da536ed3e0/FLAG8baf0aa39 [2020-09-25 05:04:37,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/334c121c2/9e36866f695d47e598ecf1da536ed3e0 [2020-09-25 05:04:37,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:04:37,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:04:37,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:04:37,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:04:37,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:04:37,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:37" (1/1) ... [2020-09-25 05:04:37,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c88769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:37, skipping insertion in model container [2020-09-25 05:04:37,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:37" (1/1) ... [2020-09-25 05:04:37,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:04:38,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:04:39,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:04:39,545 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:04:39,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:04:40,077 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:04:40,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40 WrapperNode [2020-09-25 05:04:40,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:04:40,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:04:40,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:04:40,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:04:40,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2020-09-25 05:04:40,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2020-09-25 05:04:40,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2020-09-25 05:04:40,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2020-09-25 05:04:40,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2020-09-25 05:04:40,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2020-09-25 05:04:40,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2020-09-25 05:04:40,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:04:40,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:04:40,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:04:40,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:04:40,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (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 [2020-09-25 05:04:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:04:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:04:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-25 05:04:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 05:04:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-25 05:04:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 05:04:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 05:04:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 05:04:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-09-25 05:04:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-09-25 05:04:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 05:04:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-09-25 05:04:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-09-25 05:04:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-09-25 05:04:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 05:04:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-09-25 05:04:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 05:04:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 05:04:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 05:04:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 05:04:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 05:04:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 05:04:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 05:04:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 05:04:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 05:04:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 05:04:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-09-25 05:04:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-09-25 05:04:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-09-25 05:04:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-09-25 05:04:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-09-25 05:04:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-09-25 05:04:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-09-25 05:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-09-25 05:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-09-25 05:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-09-25 05:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-09-25 05:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-09-25 05:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-09-25 05:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-09-25 05:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-09-25 05:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-09-25 05:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 05:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 05:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 05:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 05:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 05:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-09-25 05:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-25 05:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-09-25 05:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 05:04:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 05:04:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 05:04:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 05:04:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 05:04:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 05:04:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 05:04:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 05:04:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 05:04:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 05:04:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 05:04:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 05:04:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 05:04:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 05:04:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 05:04:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 05:04:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 05:04:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 05:04:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-09-25 05:04:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-09-25 05:04:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-09-25 05:04:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-09-25 05:04:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-09-25 05:04:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-09-25 05:04:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-09-25 05:04:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-09-25 05:04:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-09-25 05:04:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-09-25 05:04:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-25 05:04:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-09-25 05:04:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-09-25 05:04:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 05:04:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 05:04:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 05:04:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 05:04:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-09-25 05:04:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 05:04:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 05:04:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:04:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 05:04:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-25 05:04:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-09-25 05:04:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 05:04:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:04:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-09-25 05:04:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 05:04:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 05:04:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 05:04:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 05:04:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 05:04:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 05:04:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-09-25 05:04:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 05:04:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:04:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 05:04:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-09-25 05:04:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-09-25 05:04:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:04:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 05:04:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 05:04:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 05:04:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 05:04:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-09-25 05:04:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:04:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-09-25 05:04:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-09-25 05:04:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-09-25 05:04:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 05:04:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 05:04:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 05:04:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:04:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 05:04:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:04:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 05:04:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 05:04:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 05:04:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-09-25 05:04:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:04:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 05:04:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 05:04:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 05:04:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 05:04:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 05:04:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 05:04:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 05:04:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 05:04:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-09-25 05:04:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 05:04:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 05:04:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 05:04:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-25 05:04:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-09-25 05:04:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-09-25 05:04:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-09-25 05:04:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-25 05:04:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-09-25 05:04:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-09-25 05:04:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-09-25 05:04:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-09-25 05:04:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-09-25 05:04:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-09-25 05:04:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-09-25 05:04:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-09-25 05:04:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-09-25 05:04:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-09-25 05:04:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-09-25 05:04:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:04:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-09-25 05:04:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-09-25 05:04:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-09-25 05:04:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-09-25 05:04:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-09-25 05:04:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-09-25 05:04:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-25 05:04:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-09-25 05:04:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-09-25 05:04:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:04:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-09-25 05:04:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-09-25 05:04:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 05:04:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-09-25 05:04:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-09-25 05:04:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 05:04:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 05:04:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:04:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 05:04:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 05:04:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 05:04:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 05:04:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 05:04:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 05:04:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 05:04:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 05:04:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 05:04:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 05:04:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 05:04:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 05:04:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 05:04:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:04:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 05:04:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:04:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 05:04:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:04:41,285 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 05:04:42,361 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:04:42,361 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 05:04:42,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:42 BoogieIcfgContainer [2020-09-25 05:04:42,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:04:42,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:04:42,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:04:42,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:04:42,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:04:37" (1/3) ... [2020-09-25 05:04:42,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b9ad36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:04:42, skipping insertion in model container [2020-09-25 05:04:42,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (2/3) ... [2020-09-25 05:04:42,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b9ad36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:04:42, skipping insertion in model container [2020-09-25 05:04:42,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:42" (3/3) ... [2020-09-25 05:04:42,383 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 [2020-09-25 05:04:42,396 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:04:42,408 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:04:42,431 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:04:42,467 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:04:42,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:04:42,468 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:04:42,468 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:04:42,468 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:04:42,468 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:04:42,468 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:04:42,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:04:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states. [2020-09-25 05:04:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-25 05:04:42,529 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:42,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:04:42,531 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:42,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:42,539 INFO L82 PathProgramCache]: Analyzing trace with hash 2033327711, now seen corresponding path program 1 times [2020-09-25 05:04:42,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:42,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250328289] [2020-09-25 05:04:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:43,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:43,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:44,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:44,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-25 05:04:44,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:44,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1466 [2020-09-25 05:04:44,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:44,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 05:04:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:04:44,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 05:04:44,764 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-25 05:04:44,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:44,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:44,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:44,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 05:04:44,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:44,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 05:04:44,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:44,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:44,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:44,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:44,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:44,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 05:04:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:45,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:45,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:45,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:04:45,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-25 05:04:45,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:45,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:45,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:04:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:45,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:45,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:45,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:45,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:45,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:04:45,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:45,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:45,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:04:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:45,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:45,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:45,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:04:45,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:45,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 05:04:45,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:45,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:45,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:45,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 05:04:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:45,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:45,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:45,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:04:45,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:45,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 05:04:45,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:45,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:45,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:45,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:45,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:45,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:45,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:45,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:04:45,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 05:04:45,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:45,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:45,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-25 05:04:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:45,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:45,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:45,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:04:45,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:45,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 05:04:45,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:45,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:45,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:45,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:04:45,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:45,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:04:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:45,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:45,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:45,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:45,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:04:45,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:45,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:45,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:45,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:45,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:45,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:45,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 05:04:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:45,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:45,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:45,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:04:45,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:45,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:04:45,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:45,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 05:04:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:45,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:04:45,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250328289] [2020-09-25 05:04:45,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:45,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:04:45,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676933522] [2020-09-25 05:04:45,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:04:45,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:45,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:04:45,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:04:45,482 INFO L87 Difference]: Start difference. First operand 890 states. Second operand 7 states. [2020-09-25 05:04:45,627 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-25 05:04:45,965 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-25 05:04:46,136 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 05:04:52,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:52,650 INFO L93 Difference]: Finished difference Result 2373 states and 2824 transitions. [2020-09-25 05:04:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 05:04:52,652 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2020-09-25 05:04:52,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:52,683 INFO L225 Difference]: With dead ends: 2373 [2020-09-25 05:04:52,683 INFO L226 Difference]: Without dead ends: 1687 [2020-09-25 05:04:52,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:04:52,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-09-25 05:04:52,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1286. [2020-09-25 05:04:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1286 states. [2020-09-25 05:04:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1428 transitions. [2020-09-25 05:04:52,975 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1428 transitions. Word has length 106 [2020-09-25 05:04:52,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:52,976 INFO L479 AbstractCegarLoop]: Abstraction has 1286 states and 1428 transitions. [2020-09-25 05:04:52,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:04:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1428 transitions. [2020-09-25 05:04:52,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-25 05:04:52,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:52,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:04:52,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:04:52,982 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:52,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:52,983 INFO L82 PathProgramCache]: Analyzing trace with hash 594820322, now seen corresponding path program 1 times [2020-09-25 05:04:52,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:52,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950418903] [2020-09-25 05:04:52,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:53,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:53,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:53,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-25 05:04:55,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:04:55,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2189 [2020-09-25 05:04:55,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:04:55,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-09-25 05:04:55,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:04:55,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,433 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-25 05:04:55,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 05:04:55,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 05:04:55,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 05:04:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:04:55,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 05:04:55,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:04:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:55,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:04:55,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:04:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:04:55,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 05:04:55,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 05:04:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:04:55,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 05:04:55,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:04:55,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:04:55,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:04:55,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:04:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:04:55,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 05:04:55,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:04:55,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:04:55,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:55,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:04:55,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 05:04:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:04:55,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 05:04:55,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 05:04:55,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:56,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:04:56,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950418903] [2020-09-25 05:04:56,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:56,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:04:56,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452236043] [2020-09-25 05:04:56,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:04:56,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:56,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:04:56,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:04:56,021 INFO L87 Difference]: Start difference. First operand 1286 states and 1428 transitions. Second operand 9 states. [2020-09-25 05:04:56,522 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-25 05:04:57,098 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-09-25 05:05:00,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:05:00,897 INFO L93 Difference]: Finished difference Result 2914 states and 3316 transitions. [2020-09-25 05:05:00,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 05:05:00,899 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2020-09-25 05:05:00,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:05:00,922 INFO L225 Difference]: With dead ends: 2914 [2020-09-25 05:05:00,922 INFO L226 Difference]: Without dead ends: 1684 [2020-09-25 05:05:00,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 05:05:00,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2020-09-25 05:05:01,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1284. [2020-09-25 05:05:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2020-09-25 05:05:01,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1423 transitions. [2020-09-25 05:05:01,073 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1423 transitions. Word has length 114 [2020-09-25 05:05:01,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:05:01,074 INFO L479 AbstractCegarLoop]: Abstraction has 1284 states and 1423 transitions. [2020-09-25 05:05:01,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:05:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1423 transitions. [2020-09-25 05:05:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-25 05:05:01,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:05:01,087 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:05:01,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:05:01,087 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:05:01,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:05:01,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1356551308, now seen corresponding path program 1 times [2020-09-25 05:05:01,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:05:01,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [996964985] [2020-09-25 05:05:01,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:05:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:01,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:01,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:01,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-09-25 05:05:01,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:01,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 793 [2020-09-25 05:05:01,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:01,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:05:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 05:05:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-25 05:05:01,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:02,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:02,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:02,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:02,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 05:05:02,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:02,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 05:05:02,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:02,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:02,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:02,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 05:05:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:02,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:02,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:02,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:05:02,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 05:05:02,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:02,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:02,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:02,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:02,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:02,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:02,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:02,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:02,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:05:02,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:02,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:02,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:02,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:05:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:02,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:02,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:02,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:02,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:02,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 05:05:02,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:02,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:02,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 05:05:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:02,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:02,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:02,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:05:02,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 05:05:02,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:02,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:02,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:02,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:02,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:05:02,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:02,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:02,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:02,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:02,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:02,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:02,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 05:05:02,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:02,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:02,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:05:02,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:02,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:05:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:02,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:02,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:02,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:05:02,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:02,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 05:05:02,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:02,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:02,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:02,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:02,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:05:02,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:02,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:02,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:02,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:02,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:02,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:02,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:05:02,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:02,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:02,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:02,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:02,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:02,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:02,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 05:05:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:02,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:03,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:03,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:05:03,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:03,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 05:05:03,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:03,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:03,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:03,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:03,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 05:05:03,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:03,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:03,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:03,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:03,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:05:03,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 05:05:03,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:03,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:03,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:03,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:03,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:03,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:03,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:03,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:03,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:05:03,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:03,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:03,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:05:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:03,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:03,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:03,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:03,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:03,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:05:03,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:03,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:03,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:03,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:03,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:03,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:03,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 05:05:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:03,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:03,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:03,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:05:03,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 05:05:03,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:03,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:03,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:03,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:03,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:03,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:03,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:03,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:03,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:05:03,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:03,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:03,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:03,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:03,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:03,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:05:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:03,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:03,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:03,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:03,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:03,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:05:03,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:03,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:03,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:03,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 05:05:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:03,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:03,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:03,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:05:03,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:03,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 05:05:03,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:03,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:03,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:03,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:03,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:05:03,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:03,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:03,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:03,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:03,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:03,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:03,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:05:03,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:03,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:03,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:03,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 05:05:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:03,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:03,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:03,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:03,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:03,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 05:05:03,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:03,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:05:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:05:03,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-09-25 05:05:03,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [996964985] [2020-09-25 05:05:03,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:05:03,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 05:05:03,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172673855] [2020-09-25 05:05:03,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:05:03,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:05:03,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:05:03,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:05:03,515 INFO L87 Difference]: Start difference. First operand 1284 states and 1423 transitions. Second operand 11 states. [2020-09-25 05:05:03,632 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-25 05:05:04,164 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 05:05:10,438 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-09-25 05:05:10,600 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 05:05:10,757 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-25 05:05:10,878 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 05:05:11,081 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-25 05:05:14,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:05:14,413 INFO L93 Difference]: Finished difference Result 4277 states and 4961 transitions. [2020-09-25 05:05:14,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 05:05:14,415 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-09-25 05:05:14,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:05:14,439 INFO L225 Difference]: With dead ends: 4277 [2020-09-25 05:05:14,439 INFO L226 Difference]: Without dead ends: 3030 [2020-09-25 05:05:14,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-09-25 05:05:14,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-09-25 05:05:14,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2650. [2020-09-25 05:05:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2650 states. [2020-09-25 05:05:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 3001 transitions. [2020-09-25 05:05:14,662 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 3001 transitions. Word has length 180 [2020-09-25 05:05:14,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:05:14,664 INFO L479 AbstractCegarLoop]: Abstraction has 2650 states and 3001 transitions. [2020-09-25 05:05:14,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 05:05:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3001 transitions. [2020-09-25 05:05:14,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 05:05:14,679 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:05:14,679 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:05:14,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:05:14,680 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:05:14,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:05:14,680 INFO L82 PathProgramCache]: Analyzing trace with hash -766964387, now seen corresponding path program 1 times [2020-09-25 05:05:14,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:05:14,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012902297] [2020-09-25 05:05:14,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:05:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:14,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:14,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-25 05:05:16,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:05:16,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1604 [2020-09-25 05:05:16,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-09-25 05:05:16,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 05:05:16,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,622 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-25 05:05:16,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 05:05:16,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:16,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 05:05:16,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:16,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 05:05:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:05:16,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:16,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 05:05:16,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:16,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:16,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:16,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:05:16,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:16,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:05:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:16,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:16,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:05:16,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:16,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:16,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:16,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 05:05:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:05:16,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:16,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 05:05:16,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:16,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:16,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:16,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:05:16,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:16,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:05:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:05:17,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 05:05:17,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:17,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:05:17,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 05:05:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:05:17,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 05:05:17,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:17,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 05:05:17,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:05:17,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 05:05:17,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:05:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:17,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:05:17,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:05:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:17,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:05:17,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 05:05:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:05:17,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 05:05:17,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:17,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:05:17,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:05:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:17,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 05:05:17,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 05:05:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 05:05:17,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:05:17,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-25 05:05:17,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-25 05:05:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:05:17,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:05:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:17,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:05:17,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 05:05:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:17,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 05:05:17,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:05:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:05:17,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:05:17,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 05:05:17,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:05:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:18,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:18,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 05:05:18,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:05:18,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 05:05:18,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:18,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:18,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:18,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:18,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:18,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 05:05:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:18,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:18,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:18,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:05:18,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:18,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:05:18,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:18,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:18,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:18,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:05:18,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:18,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:18,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:18,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:18,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:18,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:18,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:18,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:05:18,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:18,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:18,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:18,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:18,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:18,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:18,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 05:05:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:18,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:18,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:18,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:18,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:18,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:05:18,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:18,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 05:05:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:18,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:05:18,166 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-09-25 05:05:18,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012902297] [2020-09-25 05:05:18,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:05:18,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:05:18,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438900443] [2020-09-25 05:05:18,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:05:18,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:05:18,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:05:18,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:05:18,169 INFO L87 Difference]: Start difference. First operand 2650 states and 3001 transitions. Second operand 10 states. [2020-09-25 05:05:18,291 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-25 05:05:18,688 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-25 05:05:18,843 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 05:05:26,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:05:26,140 INFO L93 Difference]: Finished difference Result 8266 states and 9541 transitions. [2020-09-25 05:05:26,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 05:05:26,147 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 245 [2020-09-25 05:05:26,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:05:26,175 INFO L225 Difference]: With dead ends: 8266 [2020-09-25 05:05:26,176 INFO L226 Difference]: Without dead ends: 5672 [2020-09-25 05:05:26,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-25 05:05:26,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2020-09-25 05:05:26,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 4870. [2020-09-25 05:05:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4870 states. [2020-09-25 05:05:26,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4870 states and 5504 transitions. [2020-09-25 05:05:26,547 INFO L78 Accepts]: Start accepts. Automaton has 4870 states and 5504 transitions. Word has length 245 [2020-09-25 05:05:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:05:26,548 INFO L479 AbstractCegarLoop]: Abstraction has 4870 states and 5504 transitions. [2020-09-25 05:05:26,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:05:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 5504 transitions. [2020-09-25 05:05:26,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 05:05:26,562 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:05:26,563 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:05:26,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:05:26,563 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:05:26,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:05:26,564 INFO L82 PathProgramCache]: Analyzing trace with hash -790465097, now seen corresponding path program 1 times [2020-09-25 05:05:26,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:05:26,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899917711] [2020-09-25 05:05:26,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:05:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:26,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-25 05:05:27,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-09-25 05:05:27,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 235 [2020-09-25 05:05:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:05:27,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,305 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-25 05:05:27,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 05:05:27,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 05:05:27,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 05:05:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:05:27,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 05:05:27,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:27,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:05:27,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:05:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:27,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 05:05:27,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 05:05:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:05:27,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 05:05:27,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:27,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 05:05:27,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:05:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:05:27,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 05:05:27,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:27,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:05:27,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 05:05:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:05:27,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 05:05:27,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:05:27,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:05:27,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 05:05:27,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:05:27,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:27,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:05:27,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:05:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:27,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:05:27,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:27,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 05:05:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:05:27,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 05:05:27,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:05:27,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:05:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:27,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:27,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:27,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:27,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:05:27,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:27,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:27,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:28,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:05:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:28,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:28,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:28,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:28,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:28,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 05:05:28,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:28,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:28,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:28,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 05:05:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:28,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:28,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:28,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 05:05:28,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:28,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 05:05:28,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:28,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 05:05:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:05:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:28,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:05:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:28,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:28,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:28,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:28,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:28,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:05:28,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:28,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:28,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:28,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 05:05:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:28,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:28,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:28,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:28,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:28,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:05:28,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:28,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:28,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:05:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:28,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:28,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:28,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:05:28,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:28,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 05:05:28,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:28,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:28,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:05:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:05:28,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:28,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:05:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:28,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:28,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:28,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 05:05:28,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 05:05:28,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:28,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 05:05:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:05:28,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:28,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 05:05:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:28,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:28,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:28,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:05:28,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 05:05:28,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:28,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:05:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:28,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:05:28,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:28,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:28,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:28,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:28,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:28,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:05:28,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:28,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:28,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:28,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 05:05:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:28,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:28,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:28,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:28,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:28,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:05:28,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:28,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 05:05:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:28,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-09-25 05:05:28,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899917711] [2020-09-25 05:05:28,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:05:28,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:05:28,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715830052] [2020-09-25 05:05:28,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:05:28,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:05:28,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:05:28,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:05:28,583 INFO L87 Difference]: Start difference. First operand 4870 states and 5504 transitions. Second operand 10 states. [2020-09-25 05:05:28,726 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 97