/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--ipheth.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 08:42:05,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 08:42:05,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 08:42:05,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 08:42:05,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 08:42:05,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 08:42:05,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 08:42:05,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 08:42:05,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 08:42:05,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 08:42:05,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 08:42:05,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 08:42:05,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 08:42:05,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 08:42:05,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 08:42:05,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 08:42:05,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 08:42:05,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 08:42:05,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 08:42:05,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 08:42:05,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 08:42:05,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 08:42:05,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 08:42:05,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 08:42:05,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 08:42:05,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 08:42:05,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 08:42:05,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 08:42:05,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 08:42:05,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 08:42:05,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 08:42:05,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 08:42:05,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 08:42:05,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 08:42:05,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 08:42:05,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 08:42:05,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 08:42:05,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 08:42:05,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 08:42:05,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 08:42:05,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 08:42:05,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 08:42:05,925 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 08:42:05,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 08:42:05,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 08:42:05,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 08:42:05,931 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 08:42:05,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 08:42:05,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 08:42:05,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 08:42:05,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 08:42:05,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 08:42:05,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 08:42:05,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 08:42:05,934 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 08:42:05,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 08:42:05,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 08:42:05,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 08:42:05,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 08:42:05,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 08:42:05,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:42:05,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 08:42:05,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 08:42:05,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 08:42:05,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 08:42:05,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 08:42:05,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 08:42:05,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 08:42:05,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 08:42:05,938 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 08:42:06,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 08:42:06,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 08:42:06,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 08:42:06,395 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 08:42:06,395 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 08:42:06,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--ipheth.ko-entry_point.cil.out.i [2020-10-27 08:42:06,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46ae6ebb0/717190969d7347eeafba7ad2740c410f/FLAG0beead337 [2020-10-27 08:42:07,545 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 08:42:07,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--ipheth.ko-entry_point.cil.out.i [2020-10-27 08:42:07,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46ae6ebb0/717190969d7347eeafba7ad2740c410f/FLAG0beead337 [2020-10-27 08:42:07,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46ae6ebb0/717190969d7347eeafba7ad2740c410f [2020-10-27 08:42:07,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 08:42:07,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 08:42:07,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 08:42:07,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 08:42:07,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 08:42:07,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:42:07" (1/1) ... [2020-10-27 08:42:07,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b92672f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:07, skipping insertion in model container [2020-10-27 08:42:07,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:42:07" (1/1) ... [2020-10-27 08:42:07,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 08:42:08,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 08:42:09,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:42:09,802 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 08:42:10,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:42:10,543 INFO L208 MainTranslator]: Completed translation [2020-10-27 08:42:10,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:10 WrapperNode [2020-10-27 08:42:10,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 08:42:10,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 08:42:10,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 08:42:10,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 08:42:10,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:10" (1/1) ... [2020-10-27 08:42:10,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:10" (1/1) ... [2020-10-27 08:42:10,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:10" (1/1) ... [2020-10-27 08:42:10,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:10" (1/1) ... [2020-10-27 08:42:10,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:10" (1/1) ... [2020-10-27 08:42:10,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:10" (1/1) ... [2020-10-27 08:42:10,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:10" (1/1) ... [2020-10-27 08:42:10,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 08:42:10,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 08:42:10,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 08:42:10,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 08:42:10,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:42:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 08:42:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 08:42:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:42:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 08:42:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-27 08:42:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-27 08:42:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-27 08:42:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-27 08:42:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-27 08:42:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-27 08:42:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-27 08:42:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-27 08:42:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-27 08:42:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-27 08:42:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2020-10-27 08:42:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2020-10-27 08:42:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 08:42:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 08:42:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 08:42:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 08:42:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 08:42:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 08:42:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 08:42:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 08:42:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 08:42:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 08:42:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 08:42:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 08:42:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-27 08:42:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-27 08:42:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-27 08:42:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-27 08:42:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-27 08:42:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-27 08:42:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-27 08:42:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-27 08:42:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-27 08:42:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-27 08:42:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2020-10-27 08:42:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_alloc_urbs [2020-10-27 08:42:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_free_urbs [2020-10-27 08:42:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_kill_urbs [2020-10-27 08:42:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_rcvbulk_callback [2020-10-27 08:42:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_sndbulk_callback [2020-10-27 08:42:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_carrier_set [2020-10-27 08:42:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_carrier_check_work [2020-10-27 08:42:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_get_macaddr [2020-10-27 08:42:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_rx_submit [2020-10-27 08:42:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_open [2020-10-27 08:42:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_close [2020-10-27 08:42:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_tx [2020-10-27 08:42:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_tx_timeout [2020-10-27 08:42:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_ethtool_op_get_link [2020-10-27 08:42:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_probe [2020-10-27 08:42:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_disconnect [2020-10-27 08:42:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_driver_init [2020-10-27 08:42:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ipheth_driver_exit [2020-10-27 08:42:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-27 08:42:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-10-27 08:42:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 08:42:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 08:42:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_2 [2020-10-27 08:42:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_3 [2020-10-27 08:42:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2020-10-27 08:42:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2020-10-27 08:42:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2020-10-27 08:42:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2020-10-27 08:42:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_8 [2020-10-27 08:42:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2020-10-27 08:42:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2020-10-27 08:42:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_12 [2020-10-27 08:42:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_13 [2020-10-27 08:42:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_14 [2020-10-27 08:42:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_15 [2020-10-27 08:42:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_16 [2020-10-27 08:42:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_17 [2020-10-27 08:42:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_19 [2020-10-27 08:42:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_20 [2020-10-27 08:42:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-27 08:42:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-27 08:42:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-27 08:42:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-27 08:42:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-27 08:42:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-27 08:42:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-27 08:42:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-27 08:42:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-27 08:42:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-27 08:42:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-27 08:42:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-27 08:42:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-27 08:42:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-27 08:42:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-27 08:42:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-27 08:42:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 08:42:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-27 08:42:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-27 08:42:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-27 08:42:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-27 08:42:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-10-27 08:42:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2020-10-27 08:42:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-27 08:42:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-10-27 08:42:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-10-27 08:42:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-27 08:42:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-27 08:42:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 08:42:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-10-27 08:42:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-10-27 08:42:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-27 08:42:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-27 08:42:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-27 08:42:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-27 08:42:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-27 08:42:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 08:42:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2020-10-27 08:42:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-27 08:42:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2020-10-27 08:42:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 08:42:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-27 08:42:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-27 08:42:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2020-10-27 08:42:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-27 08:42:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 08:42:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-27 08:42:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-27 08:42:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 08:42:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-27 08:42:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-27 08:42:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-27 08:42:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-27 08:42:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 08:42:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 08:42:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 08:42:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 08:42:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-27 08:42:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 08:42:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 08:42:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 08:42:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 08:42:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 08:42:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 08:42:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 08:42:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 08:42:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 08:42:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-27 08:42:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-27 08:42:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 08:42:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-27 08:42:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-27 08:42:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-27 08:42:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-27 08:42:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-27 08:42:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-27 08:42:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-27 08:42:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-27 08:42:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 08:42:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-27 08:42:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-27 08:42:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-27 08:42:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 08:42:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-27 08:42:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-27 08:42:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2020-10-27 08:42:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-10-27 08:42:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-27 08:42:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2020-10-27 08:42:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2020-10-27 08:42:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2020-10-27 08:42:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2020-10-27 08:42:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-27 08:42:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-27 08:42:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_15 [2020-10-27 08:42:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_12 [2020-10-27 08:42:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 08:42:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2020-10-27 08:42:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 08:42:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_19 [2020-10-27 08:42:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 08:42:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_20 [2020-10-27 08:42:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_8 [2020-10-27 08:42:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_2 [2020-10-27 08:42:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_3 [2020-10-27 08:42:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2020-10-27 08:42:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2020-10-27 08:42:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2020-10-27 08:42:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2020-10-27 08:42:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2020-10-27 08:42:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2020-10-27 08:42:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-27 08:42:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-27 08:42:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-27 08:42:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-27 08:42:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-27 08:42:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-27 08:42:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 08:42:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-27 08:42:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-27 08:42:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-27 08:42:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-27 08:42:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-27 08:42:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-27 08:42:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-27 08:42:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 08:42:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 08:42:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 08:42:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 08:42:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 08:42:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 08:42:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 08:42:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 08:42:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 08:42:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 08:42:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 08:42:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 08:42:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 08:42:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 08:42:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 08:42:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 08:42:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 08:42:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-27 08:42:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-10-27 08:42:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 08:42:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-27 08:42:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-27 08:42:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-27 08:42:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-27 08:42:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 08:42:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-27 08:42:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-27 08:42:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_14 [2020-10-27 08:42:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_17 [2020-10-27 08:42:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-27 08:42:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-27 08:42:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-27 08:42:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-27 08:42:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-27 08:42:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-27 08:42:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-27 08:42:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-27 08:42:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-10-27 08:42:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-27 08:42:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2020-10-27 08:42:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-27 08:42:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-27 08:42:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-27 08:42:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_13 [2020-10-27 08:42:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-27 08:42:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_16 [2020-10-27 08:42:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-10-27 08:42:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-10-27 08:42:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_rx_submit [2020-10-27 08:42:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_alloc_urbs [2020-10-27 08:42:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_free_urbs [2020-10-27 08:42:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_kill_urbs [2020-10-27 08:42:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_rcvbulk_callback [2020-10-27 08:42:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 08:42:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 08:42:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_sndbulk_callback [2020-10-27 08:42:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_carrier_set [2020-10-27 08:42:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_carrier_check_work [2020-10-27 08:42:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_get_macaddr [2020-10-27 08:42:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_open [2020-10-27 08:42:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_close [2020-10-27 08:42:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_tx [2020-10-27 08:42:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 08:42:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_tx_timeout [2020-10-27 08:42:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_ethtool_op_get_link [2020-10-27 08:42:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_probe [2020-10-27 08:42:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-27 08:42:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 08:42:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_disconnect [2020-10-27 08:42:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_driver_init [2020-10-27 08:42:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ipheth_driver_exit [2020-10-27 08:42:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-10-27 08:42:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-10-27 08:42:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 08:42:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 08:42:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 08:42:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-27 08:42:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-27 08:42:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-27 08:42:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:42:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-27 08:42:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-27 08:42:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-27 08:42:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-27 08:42:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-27 08:42:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-27 08:42:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 08:42:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-27 08:42:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 08:42:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 08:42:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 08:42:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 08:42:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 08:42:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 08:42:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 08:42:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 08:42:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 08:42:11,819 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 08:42:13,512 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-27 08:42:14,022 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 08:42:14,023 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 08:42:14,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:42:14 BoogieIcfgContainer [2020-10-27 08:42:14,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 08:42:14,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 08:42:14,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 08:42:14,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 08:42:14,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:42:07" (1/3) ... [2020-10-27 08:42:14,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41156e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:42:14, skipping insertion in model container [2020-10-27 08:42:14,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:42:10" (2/3) ... [2020-10-27 08:42:14,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41156e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:42:14, skipping insertion in model container [2020-10-27 08:42:14,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:42:14" (3/3) ... [2020-10-27 08:42:14,038 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--ipheth.ko-entry_point.cil.out.i [2020-10-27 08:42:14,052 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 08:42:14,058 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 08:42:14,072 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 08:42:14,104 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 08:42:14,104 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 08:42:14,104 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 08:42:14,104 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 08:42:14,104 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 08:42:14,104 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 08:42:14,104 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 08:42:14,105 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 08:42:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states. [2020-10-27 08:42:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 08:42:14,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:42:14,156 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:42:14,156 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:42:14,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:42:14,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1205481922, now seen corresponding path program 1 times [2020-10-27 08:42:14,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:42:14,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398056785] [2020-10-27 08:42:14,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:42:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:14,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:15,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:18,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:18,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 08:42:18,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:42:18,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4307 [2020-10-27 08:42:18,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:18,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:42:18,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:42:18,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 08:42:18,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 08:42:19,943 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-27 08:42:19,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:42:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:20,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:20,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:20,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:42:20,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:20,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-27 08:42:20,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:20,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:42:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:20,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:42:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:20,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:20,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:20,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:20,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 08:42:20,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:20,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:20,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:42:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:20,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:20,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:20,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:20,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:20,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 08:42:20,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:20,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:20,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:42:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:20,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:20,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:20,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:20,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:20,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 08:42:20,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:20,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:42:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:20,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:20,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:20,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:42:20,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:20,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:42:20,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:20,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:42:20,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:42:20,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 08:42:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:20,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:20,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:20,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:42:20,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:20,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 08:42:20,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:42:20,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:20,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:42:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:20,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:20,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:20,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:42:20,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:20,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:42:20,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:42:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:42:20,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:20,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:42:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:20,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:20,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:20,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:42:20,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:20,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:42:20,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:20,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:42:20,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:20,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:42:20,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 08:42:20,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398056785] [2020-10-27 08:42:20,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:42:20,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 08:42:20,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253228219] [2020-10-27 08:42:20,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 08:42:20,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:42:20,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 08:42:20,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 08:42:20,836 INFO L87 Difference]: Start difference. First operand 866 states. Second operand 6 states. [2020-10-27 08:42:21,841 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-27 08:42:23,252 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 382 [2020-10-27 08:42:24,460 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 379 [2020-10-27 08:42:53,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:42:53,817 INFO L93 Difference]: Finished difference Result 3042 states and 4022 transitions. [2020-10-27 08:42:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 08:42:53,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-10-27 08:42:53,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:42:53,869 INFO L225 Difference]: With dead ends: 3042 [2020-10-27 08:42:53,869 INFO L226 Difference]: Without dead ends: 2168 [2020-10-27 08:42:53,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-27 08:42:53,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2020-10-27 08:42:54,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 1790. [2020-10-27 08:42:54,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1790 states. [2020-10-27 08:42:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 2225 transitions. [2020-10-27 08:42:54,676 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 2225 transitions. Word has length 53 [2020-10-27 08:42:54,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:42:54,679 INFO L481 AbstractCegarLoop]: Abstraction has 1790 states and 2225 transitions. [2020-10-27 08:42:54,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 08:42:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2225 transitions. [2020-10-27 08:42:54,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 08:42:54,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:42:54,693 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:42:54,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 08:42:54,693 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:42:54,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:42:54,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1729622618, now seen corresponding path program 1 times [2020-10-27 08:42:54,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:42:54,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573856835] [2020-10-27 08:42:54,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:42:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:54,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:54,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:56,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:56,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 08:42:56,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:42:56,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1265 [2020-10-27 08:42:56,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:56,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:56,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:42:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 08:42:56,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:57,201 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-27 08:42:57,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:42:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:57,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:57,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:57,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:42:57,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:57,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-27 08:42:57,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:42:57,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:57,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:42:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:57,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:57,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:57,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:57,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 08:42:57,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:57,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:57,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:42:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:57,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:57,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:57,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:57,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:57,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:42:57,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:57,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:57,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:57,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:57,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:42:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:57,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:57,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:57,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:57,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:57,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 08:42:57,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:57,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:57,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:42:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:57,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:57,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:57,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:42:57,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:57,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:42:57,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:57,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:42:57,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:57,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 08:42:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:57,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:57,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:57,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:42:57,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:57,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 08:42:57,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:42:57,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:57,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:42:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:57,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:57,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:57,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:42:57,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:57,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:42:57,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:57,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:42:57,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:57,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:42:57,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:57,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:42:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:57,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:57,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:57,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:42:57,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:57,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:42:57,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:42:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:42:57,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 08:42:57,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573856835] [2020-10-27 08:42:57,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:42:57,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:42:57,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031264385] [2020-10-27 08:42:57,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:42:57,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:42:57,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:42:57,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:42:57,924 INFO L87 Difference]: Start difference. First operand 1790 states and 2225 transitions. Second operand 7 states. [2020-10-27 08:42:58,949 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 379 [2020-10-27 08:43:00,384 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 382 [2020-10-27 08:43:01,567 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 379 [2020-10-27 08:43:16,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:43:16,665 INFO L93 Difference]: Finished difference Result 2160 states and 2769 transitions. [2020-10-27 08:43:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 08:43:16,666 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-10-27 08:43:16,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:43:16,683 INFO L225 Difference]: With dead ends: 2160 [2020-10-27 08:43:16,683 INFO L226 Difference]: Without dead ends: 2155 [2020-10-27 08:43:16,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-10-27 08:43:16,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2020-10-27 08:43:17,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 1789. [2020-10-27 08:43:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1789 states. [2020-10-27 08:43:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2223 transitions. [2020-10-27 08:43:17,231 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2223 transitions. Word has length 54 [2020-10-27 08:43:17,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:43:17,232 INFO L481 AbstractCegarLoop]: Abstraction has 1789 states and 2223 transitions. [2020-10-27 08:43:17,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 08:43:17,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2223 transitions. [2020-10-27 08:43:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-27 08:43:17,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:43:17,238 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:43:17,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 08:43:17,238 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:43:17,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:43:17,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1776094341, now seen corresponding path program 1 times [2020-10-27 08:43:17,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:43:17,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108203902] [2020-10-27 08:43:17,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:43:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:17,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:17,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:18,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:18,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 08:43:18,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:43:18,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1252 [2020-10-27 08:43:18,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:18,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:18,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:43:18,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 08:43:18,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:19,819 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 376 [2020-10-27 08:43:19,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:43:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:19,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:20,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:20,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:43:20,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:20,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-27 08:43:20,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:43:20,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:20,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:43:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:20,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:20,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:20,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:43:20,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:20,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:43:20,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:43:20,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:20,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:43:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:20,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:20,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:20,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:43:20,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:20,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:43:20,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:20,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:20,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:20,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:43:20,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:20,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:43:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:20,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:20,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:20,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:43:20,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:43:20,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:20,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:43:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:20,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:43:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:20,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:20,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:20,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:43:20,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:20,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:43:20,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:20,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:20,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:20,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:43:20,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:20,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 08:43:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:20,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:20,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:20,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:43:20,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:43:20,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:43:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:20,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:43:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:20,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:20,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:20,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:43:20,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:20,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:43:20,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:43:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:43:20,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:20,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:43:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:20,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:20,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:20,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:43:20,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:20,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:43:20,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:43:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:43:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:20,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 08:43:20,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108203902] [2020-10-27 08:43:20,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:43:20,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 08:43:20,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035411808] [2020-10-27 08:43:20,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 08:43:20,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:43:20,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 08:43:20,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 08:43:20,386 INFO L87 Difference]: Start difference. First operand 1789 states and 2223 transitions. Second operand 6 states. [2020-10-27 08:43:21,348 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-27 08:43:22,808 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 381 [2020-10-27 08:43:23,946 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 378 [2020-10-27 08:43:38,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:43:38,309 INFO L93 Difference]: Finished difference Result 2159 states and 2767 transitions. [2020-10-27 08:43:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 08:43:38,310 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-10-27 08:43:38,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:43:38,324 INFO L225 Difference]: With dead ends: 2159 [2020-10-27 08:43:38,324 INFO L226 Difference]: Without dead ends: 2154 [2020-10-27 08:43:38,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-27 08:43:38,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2020-10-27 08:43:38,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1788. [2020-10-27 08:43:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1788 states. [2020-10-27 08:43:38,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 2221 transitions. [2020-10-27 08:43:38,771 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 2221 transitions. Word has length 55 [2020-10-27 08:43:38,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:43:38,772 INFO L481 AbstractCegarLoop]: Abstraction has 1788 states and 2221 transitions. [2020-10-27 08:43:38,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 08:43:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2221 transitions. [2020-10-27 08:43:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 08:43:38,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:43:38,774 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:43:38,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 08:43:38,774 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:43:38,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:43:38,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1211152439, now seen corresponding path program 1 times [2020-10-27 08:43:38,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:43:38,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881951803] [2020-10-27 08:43:38,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:43:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:38,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:38,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:39,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:39,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 08:43:39,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:43:39,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1141 [2020-10-27 08:43:39,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:39,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:39,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:43:39,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 08:43:39,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:41,136 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 376 [2020-10-27 08:43:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:43:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:41,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:41,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:41,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:43:41,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:41,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-27 08:43:41,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:41,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:41,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:43:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:41,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:43:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:41,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:41,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:41,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:43:41,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:41,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:43:41,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:43:41,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:41,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:43:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:41,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:41,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:41,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:43:41,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:41,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:43:41,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:41,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:41,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:43:41,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:43:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:41,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:41,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:41,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:43:41,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:41,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:43:41,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:43:41,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:41,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:43:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:41,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:41,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:41,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:43:41,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:41,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:43:41,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:43:41,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:41,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 08:43:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:41,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:41,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:41,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:43:41,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:41,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:43:41,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:43:41,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:41,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:43:41,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:41,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:43:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:41,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:41,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:41,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:43:41,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:41,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:43:41,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:41,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:43:41,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:41,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:43:41,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:41,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:43:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:43:41,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:43:41,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:43:41,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:43:41,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:43:41,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:43:41,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:43:41,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:43:41,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:43:41,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:43:41,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:43:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 08:43:41,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881951803] [2020-10-27 08:43:41,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:43:41,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 08:43:41,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255240930] [2020-10-27 08:43:41,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 08:43:41,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:43:41,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 08:43:41,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 08:43:41,670 INFO L87 Difference]: Start difference. First operand 1788 states and 2221 transitions. Second operand 6 states. [2020-10-27 08:43:42,709 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 379 [2020-10-27 08:43:44,617 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 381 [2020-10-27 08:43:45,819 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 378 [2020-10-27 08:44:01,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:44:01,241 INFO L93 Difference]: Finished difference Result 2158 states and 2765 transitions. [2020-10-27 08:44:01,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 08:44:01,242 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-10-27 08:44:01,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:44:01,255 INFO L225 Difference]: With dead ends: 2158 [2020-10-27 08:44:01,255 INFO L226 Difference]: Without dead ends: 2153 [2020-10-27 08:44:01,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-27 08:44:01,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2020-10-27 08:44:01,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 1787. [2020-10-27 08:44:01,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1787 states. [2020-10-27 08:44:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2219 transitions. [2020-10-27 08:44:01,748 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2219 transitions. Word has length 56 [2020-10-27 08:44:01,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:44:01,749 INFO L481 AbstractCegarLoop]: Abstraction has 1787 states and 2219 transitions. [2020-10-27 08:44:01,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 08:44:01,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2219 transitions. [2020-10-27 08:44:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 08:44:01,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:44:01,751 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:44:01,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 08:44:01,751 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:44:01,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:44:01,752 INFO L82 PathProgramCache]: Analyzing trace with hash 678155080, now seen corresponding path program 1 times [2020-10-27 08:44:01,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:44:01,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480668165] [2020-10-27 08:44:01,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:44:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:01,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:01,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:02,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:02,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 08:44:02,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:44:02,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 949 [2020-10-27 08:44:02,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:02,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:02,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:44:02,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 08:44:02,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:03,945 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 376 [2020-10-27 08:44:03,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:44:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:04,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:04,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:04,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:04,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:04,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-27 08:44:04,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:04,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:04,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:04,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:44:04,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:44:04,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:44:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:04,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:04,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:04,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:04,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:04,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:44:04,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:04,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:04,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:04,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:44:04,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:04,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:44:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:04,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:04,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:04,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:04,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:04,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:44:04,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:44:04,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:04,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:44:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:04,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:04,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:04,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:04,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:04,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:44:04,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:44:04,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:04,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:44:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:04,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:04,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:04,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:44:04,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:44:04,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:04,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:04,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:04,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:44:04,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:04,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 08:44:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:04,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:04,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:04,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:44:04,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:04,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:44:04,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:44:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:04,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:44:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:04,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:04,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:04,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:44:04,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:04,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:44:04,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:04,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:04,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:04,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:04,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:04,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:04,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:04,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:04,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:04,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:04,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:44:04,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:04,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:04,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:04,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:04,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:04,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 08:44:04,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480668165] [2020-10-27 08:44:04,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:44:04,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 08:44:04,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030769400] [2020-10-27 08:44:04,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 08:44:04,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:44:04,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 08:44:04,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 08:44:04,487 INFO L87 Difference]: Start difference. First operand 1787 states and 2219 transitions. Second operand 6 states. [2020-10-27 08:44:05,526 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 379 [2020-10-27 08:44:07,592 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 381 [2020-10-27 08:44:08,799 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 378 [2020-10-27 08:44:23,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:44:23,972 INFO L93 Difference]: Finished difference Result 2157 states and 2763 transitions. [2020-10-27 08:44:23,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 08:44:23,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-10-27 08:44:23,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:44:23,988 INFO L225 Difference]: With dead ends: 2157 [2020-10-27 08:44:23,988 INFO L226 Difference]: Without dead ends: 2130 [2020-10-27 08:44:23,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-27 08:44:23,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2020-10-27 08:44:24,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1767. [2020-10-27 08:44:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1767 states. [2020-10-27 08:44:24,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 2196 transitions. [2020-10-27 08:44:24,668 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 2196 transitions. Word has length 57 [2020-10-27 08:44:24,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:44:24,669 INFO L481 AbstractCegarLoop]: Abstraction has 1767 states and 2196 transitions. [2020-10-27 08:44:24,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 08:44:24,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2196 transitions. [2020-10-27 08:44:24,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-27 08:44:24,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:44:24,685 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:44:24,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 08:44:24,685 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:44:24,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:44:24,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1773610569, now seen corresponding path program 1 times [2020-10-27 08:44:24,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:44:24,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959169777] [2020-10-27 08:44:24,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:44:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:24,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:24,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:25,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:25,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:25,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:25,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:25,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:26,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:29,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:29,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-27 08:44:29,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 08:44:29,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 08:44:29,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 08:44:29,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:44:29,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:30,935 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 376 [2020-10-27 08:44:30,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:44:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:30,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:31,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:31,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:31,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:31,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-27 08:44:31,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:31,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:31,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:44:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:31,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:31,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:31,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:31,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:31,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:44:31,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:31,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:31,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:44:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:31,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:31,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:31,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:31,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:31,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:44:31,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:31,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:31,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:31,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:31,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:31,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:44:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:31,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:31,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:31,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:31,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:31,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:44:31,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:31,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:31,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:31,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:31,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:31,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:44:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:31,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:31,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:31,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:44:31,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:31,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:44:31,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:31,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:31,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:44:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:31,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:31,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:31,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:31,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:31,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:31,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-27 08:44:36,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 08:44:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 08:44:36,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:44:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 08:44:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:44:36,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 08:44:36,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 08:44:36,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:44:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 08:44:36,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:44:36,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 08:44:36,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 08:44:36,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:44:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 08:44:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:44:36,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:36,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:44:36,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:44:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:44:36,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 08:44:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:44:36,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:44:36,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 08:44:36,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:36,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:44:36,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:36,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:44:36,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 08:44:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:44:36,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:44:36,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 08:44:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 08:44:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:36,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:44:36,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:44:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 08:44:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:44:36,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:44:36,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 08:44:36,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:36,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:44:36,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 08:44:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:44:36,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:44:36,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 08:44:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:44:36,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:44:36,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:36,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:44:36,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 08:44:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:44:36,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:44:36,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 08:44:36,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:36,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:44:36,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:44:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:36,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:44:36,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 08:44:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:36,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:44:36,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:44:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 08:44:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:36,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:44:36,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:44:36,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 08:44:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:36,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:44:36,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:44:36,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:36,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 08:44:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:36,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:36,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:36,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:36,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:36,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:44:36,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:36,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:44:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:36,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 08:44:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 08:44:37,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:44:37,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-27 08:44:37,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:44:37,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 08:44:37,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 08:44:37,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 08:44:37,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 08:44:37,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:44:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 08:44:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 08:44:37,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 08:44:37,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:37,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 08:44:37,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:44:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 08:44:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 08:44:37,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:37,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:37,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 08:44:37,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:44:37,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:37,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:44:37,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 08:44:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:37,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 08:44:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:37,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:37,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:44:37,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:44:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:37,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 08:44:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:44:37,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:44:37,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:37,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 08:44:37,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:37,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:37,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:37,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:44:37,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:37,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:37,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-27 08:44:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:44:37,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:37,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:44:37,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:37,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 08:44:37,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:37,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:44:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:44:37,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:44:37,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:37,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:37,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:37,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:37,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:44:37,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:38,106 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 08:44:38,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959169777] [2020-10-27 08:44:38,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 08:44:38,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 08:44:38,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285462654] [2020-10-27 08:44:38,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 08:44:38,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:44:38,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 08:44:38,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2020-10-27 08:44:38,112 INFO L87 Difference]: Start difference. First operand 1767 states and 2196 transitions. Second operand 18 states. [2020-10-27 08:44:39,133 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-27 08:44:41,183 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 387 [2020-10-27 08:44:42,404 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 378 [2020-10-27 08:44:46,282 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 392 [2020-10-27 08:44:47,610 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-27 08:44:48,772 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-27 08:45:00,011 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 393 [2020-10-27 08:45:19,991 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-27 08:45:21,155 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-27 08:45:25,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:45:25,778 INFO L93 Difference]: Finished difference Result 6002 states and 7992 transitions. [2020-10-27 08:45:25,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-27 08:45:25,780 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 224 [2020-10-27 08:45:25,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:45:25,806 INFO L225 Difference]: With dead ends: 6002 [2020-10-27 08:45:25,806 INFO L226 Difference]: Without dead ends: 4247 [2020-10-27 08:45:25,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=573, Invalid=1877, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 08:45:25,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4247 states. [2020-10-27 08:45:26,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4247 to 2821. [2020-10-27 08:45:26,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2821 states. [2020-10-27 08:45:26,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 3456 transitions. [2020-10-27 08:45:26,916 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 3456 transitions. Word has length 224 [2020-10-27 08:45:26,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:45:26,916 INFO L481 AbstractCegarLoop]: Abstraction has 2821 states and 3456 transitions. [2020-10-27 08:45:26,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 08:45:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3456 transitions. [2020-10-27 08:45:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-10-27 08:45:26,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:45:26,927 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:45:26,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 08:45:26,927 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:45:26,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:45:26,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1114359152, now seen corresponding path program 1 times [2020-10-27 08:45:26,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:45:26,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842839475] [2020-10-27 08:45:26,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:45:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:27,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:27,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:27,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:27,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:27,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:32,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:32,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 367 [2020-10-27 08:45:32,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 08:45:32,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5187 [2020-10-27 08:45:32,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:45:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-27 08:45:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:45:32,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:33,285 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-27 08:45:33,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:45:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:33,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:33,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:33,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 08:45:33,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:33,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:33,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:45:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:33,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:33,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:33,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:45:33,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:33,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:33,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:33,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:33,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:45:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:33,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:33,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:33,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:45:33,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:33,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:33,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:45:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:33,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:33,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:33,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:45:33,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:33,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:33,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:45:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:33,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:45:33,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:33,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:45:33,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:33,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:33,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:33,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:33,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:33,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 08:45:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:33,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 08:45:33,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:45:33,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:33,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:33,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:33,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:33,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:33,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:45:33,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:45:33,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:33,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:33,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:33,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:33,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:33,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:45:33,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:33,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:33,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:33,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:33,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:33,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:45:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:33,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:45:33,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:45:33,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:33,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:33,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:33,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 08:45:33,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:33,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:33,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:33,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:45:33,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:33,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:33,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 08:45:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:33,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:33,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:34,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:38,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:38,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 08:45:38,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 08:45:38,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 08:45:38,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:38,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:45:38,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 08:45:38,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:45:38,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:38,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:38,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:38,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:38,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 08:45:38,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:38,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 08:45:38,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:38,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:38,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:38,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:38,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:38,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 08:45:38,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:38,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:45:38,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:38,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:38,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:38,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:38,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:38,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 08:45:38,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:45:38,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:38,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:38,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:45:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:38,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:38,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:38,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:38,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:38,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:45:38,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:38,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:38,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 08:45:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:38,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:45:39,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 08:45:39,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:45:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:45:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:39,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 08:45:39,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:45:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:45:39,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:45:39,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 08:45:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:45:39,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:45:39,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 08:45:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 08:45:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:39,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:45:39,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:45:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:45:39,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 08:45:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:45:39,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:45:39,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 08:45:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:39,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:45:39,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:39,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:45:39,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 08:45:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:45:39,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 08:45:39,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 08:45:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:45:39,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:45:39,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:45:39,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:39,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:45:39,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:39,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:45:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 08:45:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:45:39,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 08:45:39,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 08:45:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:45:39,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:39,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:45:39,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:45:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:39,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:45:39,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 08:45:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:39,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:45:39,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:45:39,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 08:45:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:39,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:45:39,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:45:39,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 08:45:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:39,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:45:39,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:45:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 08:45:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:39,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:39,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:45:39,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:45:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:39,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 08:45:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:39,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:39,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 08:45:39,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:45:39,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-27 08:45:39,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 08:45:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 08:45:39,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 08:45:39,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:39,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:39,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 08:45:40,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 08:45:40,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:45:40,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:40,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 08:45:40,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:40,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 08:45:40,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 08:45:40,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:45:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 08:45:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:40,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 08:45:40,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:45:40,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:40,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:40,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:40,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:45:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:40,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:40,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:45:40,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 08:45:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:40,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:40,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:45:40,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:40,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 08:45:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:40,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:40,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:45:40,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:45:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:40,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 08:45:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:40,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:45:40,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:45:40,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:40,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 08:45:40,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:40,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:40,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:40,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:45:40,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:40,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-27 08:45:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:40,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:45:40,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:45:40,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 08:45:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:40,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:45:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:40,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:45:40,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:45:40,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:40,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:40,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:40,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:40,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:40,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:40,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:45:40,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:40,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:40,692 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.