/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=DEEPEST --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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 04:44:41,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 04:44:41,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 04:44:41,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 04:44:41,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 04:44:41,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 04:44:41,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 04:44:41,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 04:44:41,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 04:44:41,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 04:44:41,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 04:44:41,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 04:44:41,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 04:44:41,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 04:44:41,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 04:44:41,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 04:44:41,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 04:44:41,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 04:44:41,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 04:44:41,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 04:44:41,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 04:44:41,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 04:44:41,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 04:44:41,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 04:44:41,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 04:44:41,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 04:44:41,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 04:44:41,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 04:44:41,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 04:44:41,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 04:44:41,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 04:44:41,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 04:44:41,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 04:44:41,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 04:44:41,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 04:44:41,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 04:44:41,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 04:44:41,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 04:44:41,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 04:44:41,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 04:44:41,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 04:44:41,500 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 [2020-10-28 04:44:41,526 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 04:44:41,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 04:44:41,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 04:44:41,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 04:44:41,528 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 04:44:41,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 04:44:41,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 04:44:41,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 04:44:41,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 04:44:41,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 04:44:41,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 04:44:41,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 04:44:41,530 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 04:44:41,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 04:44:41,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 04:44:41,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 04:44:41,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 04:44:41,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 04:44:41,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 04:44:41,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 04:44:41,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 04:44:41,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 04:44:41,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 04:44:41,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 04:44:41,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 04:44:41,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 04:44:41,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 04:44:41,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 04:44:41,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 04:44:41,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 04:44:41,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 04:44:41,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 04:44:41,978 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 04:44:41,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-28 04:44:42,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d0d619fb/f8f8d0bd2d0f4b3f872b5a3ce8d9cc5a/FLAG586b6bae2 [2020-10-28 04:44:43,028 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 04:44:43,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-28 04:44:43,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d0d619fb/f8f8d0bd2d0f4b3f872b5a3ce8d9cc5a/FLAG586b6bae2 [2020-10-28 04:44:43,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d0d619fb/f8f8d0bd2d0f4b3f872b5a3ce8d9cc5a [2020-10-28 04:44:43,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 04:44:43,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 04:44:43,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 04:44:43,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 04:44:43,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 04:44:43,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:44:43" (1/1) ... [2020-10-28 04:44:43,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364f1b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:43, skipping insertion in model container [2020-10-28 04:44:43,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:44:43" (1/1) ... [2020-10-28 04:44:43,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 04:44:43,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 04:44:45,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 04:44:45,131 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 04:44:45,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 04:44:45,629 INFO L208 MainTranslator]: Completed translation [2020-10-28 04:44:45,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:45 WrapperNode [2020-10-28 04:44:45,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 04:44:45,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 04:44:45,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 04:44:45,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 04:44:45,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:45" (1/1) ... [2020-10-28 04:44:45,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:45" (1/1) ... [2020-10-28 04:44:45,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:45" (1/1) ... [2020-10-28 04:44:45,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:45" (1/1) ... [2020-10-28 04:44:45,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:45" (1/1) ... [2020-10-28 04:44:45,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:45" (1/1) ... [2020-10-28 04:44:45,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:45" (1/1) ... [2020-10-28 04:44:45,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 04:44:45,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 04:44:45,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 04:44:45,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 04:44:45,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:45" (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 [2020-10-28 04:44:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 04:44:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 04:44:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 04:44:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-28 04:44:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-28 04:44:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-10-28 04:44:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-10-28 04:44:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-28 04:44:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-10-28 04:44:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-28 04:44:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 04:44:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-28 04:44:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-28 04:44:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-28 04:44:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-28 04:44:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-10-28 04:44:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-28 04:44:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-28 04:44:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 04:44:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 04:44:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 04:44:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 04:44:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 04:44:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 04:44:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 04:44:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 04:44:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 04:44:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-28 04:44:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-10-28 04:44:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-10-28 04:44:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-10-28 04:44:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-10-28 04:44:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-10-28 04:44:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-28 04:44:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-28 04:44:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-10-28 04:44:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-10-28 04:44:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-10-28 04:44:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-10-28 04:44:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-10-28 04:44:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-10-28 04:44:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-10-28 04:44:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-10-28 04:44:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-28 04:44:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-28 04:44:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 04:44:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-28 04:44:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-28 04:44:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-28 04:44:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-28 04:44:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-28 04:44:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-10-28 04:44:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-10-28 04:44:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-28 04:44:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 04:44:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-28 04:44:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-28 04:44:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-28 04:44:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 04:44:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 04:44:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 04:44:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 04:44:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-28 04:44:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 04:44:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-28 04:44:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-28 04:44:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-28 04:44:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-28 04:44:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-28 04:44:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 04:44:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-28 04:44:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-28 04:44:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-28 04:44:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-10-28 04:44:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-28 04:44:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-28 04:44:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-28 04:44:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-28 04:44:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 04:44:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 04:44:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 04:44:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-28 04:44:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 04:44:45,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 04:44:45,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-10-28 04:44:45,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 04:44:45,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 04:44:45,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 04:44:45,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-10-28 04:44:45,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-28 04:44:45,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-10-28 04:44:45,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-28 04:44:45,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-28 04:44:45,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-28 04:44:45,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-28 04:44:45,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 04:44:45,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 04:44:45,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 04:44:45,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-28 04:44:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 04:44:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 04:44:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 04:44:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 04:44:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 04:44:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 04:44:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 04:44:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-28 04:44:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-28 04:44:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-10-28 04:44:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 04:44:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-10-28 04:44:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-28 04:44:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-10-28 04:44:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-28 04:44:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 04:44:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-28 04:44:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-28 04:44:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 04:44:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 04:44:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-28 04:44:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-28 04:44:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-28 04:44:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-28 04:44:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-28 04:44:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-28 04:44:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-28 04:44:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-28 04:44:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 04:44:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-28 04:44:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-28 04:44:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-28 04:44:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 04:44:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-10-28 04:44:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 04:44:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 04:44:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 04:44:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-28 04:44:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-28 04:44:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-28 04:44:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-28 04:44:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 04:44:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 04:44:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 04:44:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 04:44:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 04:44:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 04:44:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 04:44:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 04:44:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 04:44:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 04:44:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 04:44:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 04:44:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 04:44:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 04:44:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-28 04:44:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-28 04:44:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-28 04:44:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-28 04:44:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-28 04:44:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-10-28 04:44:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-10-28 04:44:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-10-28 04:44:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-10-28 04:44:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-10-28 04:44:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-28 04:44:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-10-28 04:44:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 04:44:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-10-28 04:44:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 04:44:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-10-28 04:44:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-28 04:44:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 04:44:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 04:44:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 04:44:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-28 04:44:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-10-28 04:44:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-28 04:44:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-28 04:44:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-28 04:44:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-28 04:44:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-10-28 04:44:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-10-28 04:44:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-28 04:44:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-10-28 04:44:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-10-28 04:44:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-10-28 04:44:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-10-28 04:44:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-28 04:44:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-10-28 04:44:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 04:44:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-10-28 04:44:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-10-28 04:44:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-28 04:44:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-10-28 04:44:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 04:44:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 04:44:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 04:44:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 04:44:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-28 04:44:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 04:44:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-28 04:44:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-28 04:44:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-28 04:44:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 04:44:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 04:44:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 04:44:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 04:44:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-28 04:44:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-28 04:44:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-28 04:44:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-28 04:44:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-28 04:44:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 04:44:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 04:44:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 04:44:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 04:44:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 04:44:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 04:44:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 04:44:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 04:44:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 04:44:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 04:44:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 04:44:46,885 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 04:44:49,946 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 04:44:49,947 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 04:44:49,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:44:49 BoogieIcfgContainer [2020-10-28 04:44:49,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 04:44:49,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 04:44:49,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 04:44:49,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 04:44:49,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:44:43" (1/3) ... [2020-10-28 04:44:49,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7c473b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:44:49, skipping insertion in model container [2020-10-28 04:44:49,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:45" (2/3) ... [2020-10-28 04:44:49,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7c473b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:44:49, skipping insertion in model container [2020-10-28 04:44:49,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:44:49" (3/3) ... [2020-10-28 04:44:49,963 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-28 04:44:49,980 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 04:44:49,986 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 04:44:49,999 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 04:44:50,044 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 04:44:50,044 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 04:44:50,044 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 04:44:50,044 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 04:44:50,044 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 04:44:50,044 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 04:44:50,045 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 04:44:50,045 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 04:44:50,083 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states. [2020-10-28 04:44:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-28 04:44:50,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:44:50,111 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 04:44:50,112 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:44:50,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:44:50,120 INFO L82 PathProgramCache]: Analyzing trace with hash -652068192, now seen corresponding path program 1 times [2020-10-28 04:44:50,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:44:50,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662486901] [2020-10-28 04:44:50,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:44:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:50,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:50,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:51,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:53,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:55,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:55,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-28 04:44:55,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 04:44:55,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-28 04:44:55,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:55,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:44:55,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 04:44:55,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 04:44:55,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 04:44:56,453 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 04:44:56,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:44:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:44:56,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:44:56,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 04:44:56,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:44:56,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:44:56,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:44:56,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:44:56,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:44:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:44:56,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:44:56,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:44:56,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:44:56,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:44:56,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:44:56,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:44:56,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:44:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:44:56,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:44:56,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 04:44:56,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:44:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:44:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:44:56,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:44:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:44:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:44:56,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:44:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 04:44:56,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:44:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:44:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:44:56,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:44:56,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:44:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:44:56,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:44:56,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:44:56,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:44:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:44:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:44:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:44:56,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:44:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:44:56,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:44:56,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 04:44:56,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 04:44:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:44:56,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 04:44:56,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 04:44:56,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 04:44:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:44:56,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:44:56,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 04:44:56,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 04:44:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:44:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 04:44:56,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 04:44:56,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 04:44:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 04:44:56,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:44:56,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:44:56,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:44:56,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 04:44:56,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:44:56,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:44:56,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:44:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 04:44:56,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:44:56,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:44:56,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:44:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:44:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:44:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:44:56,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:44:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:44:56,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:44:56,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:44:56,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:44:56,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:44:56,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:44:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:44:56,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 04:44:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:44:56,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:44:56,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:44:56,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:44:56,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:44:56,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:44:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:44:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:44:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:44:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:44:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:44:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 04:44:57,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662486901] [2020-10-28 04:44:57,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 04:44:57,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 04:44:57,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877509264] [2020-10-28 04:44:57,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 04:44:57,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:44:57,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 04:44:57,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 04:44:57,044 INFO L87 Difference]: Start difference. First operand 549 states. Second operand 10 states. [2020-10-28 04:45:01,773 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-28 04:45:03,342 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-28 04:45:04,152 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-28 04:45:25,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:45:25,433 INFO L93 Difference]: Finished difference Result 1834 states and 2518 transitions. [2020-10-28 04:45:25,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 04:45:25,437 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-10-28 04:45:25,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:45:25,467 INFO L225 Difference]: With dead ends: 1834 [2020-10-28 04:45:25,467 INFO L226 Difference]: Without dead ends: 1312 [2020-10-28 04:45:25,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=210, Invalid=492, Unknown=0, NotChecked=0, Total=702 [2020-10-28 04:45:25,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-10-28 04:45:25,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 907. [2020-10-28 04:45:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2020-10-28 04:45:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1109 transitions. [2020-10-28 04:45:25,813 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1109 transitions. Word has length 68 [2020-10-28 04:45:25,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:45:25,813 INFO L481 AbstractCegarLoop]: Abstraction has 907 states and 1109 transitions. [2020-10-28 04:45:25,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 04:45:25,814 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1109 transitions. [2020-10-28 04:45:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 04:45:25,823 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:45:25,824 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 04:45:25,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 04:45:25,825 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:45:25,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:45:25,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1786204956, now seen corresponding path program 1 times [2020-10-28 04:45:25,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:45:25,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646592844] [2020-10-28 04:45:25,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:45:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:25,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:26,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:26,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:30,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:30,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-28 04:45:30,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 04:45:30,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 04:45:30,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:45:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 04:45:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:45:30,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:31,738 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 04:45:31,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:45:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:31,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:31,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:31,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:45:31,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:31,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 04:45:31,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:31,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:31,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:31,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:31,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:31,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:45:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:31,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:31,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:31,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:45:31,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:31,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:45:31,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:31,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:31,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:31,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:45:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:31,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:31,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:31,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:45:31,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:31,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:45:31,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:31,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:31,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:31,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:31,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:31,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:45:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:31,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:31,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:31,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:45:31,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:31,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 04:45:31,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:31,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:31,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:45:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:31,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:31,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:31,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:45:31,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:31,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:45:31,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:31,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:31,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:45:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:31,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:31,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:31,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:31,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 04:45:31,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:45:31,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 04:45:31,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:31,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:45:31,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:45:31,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 04:45:31,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:32,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 04:45:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:32,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:32,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:32,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 04:45:32,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:32,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 04:45:32,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:32,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:45:32,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:45:32,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 04:45:32,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:32,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 04:45:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:32,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:32,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:32,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 04:45:32,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:32,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 04:45:32,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:32,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:32,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:45:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:32,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:32,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:45:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:32,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:32,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:32,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 04:45:32,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:32,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 04:45:32,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:32,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:32,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:32,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:32,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:45:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:32,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:32,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:32,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:45:32,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:32,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:45:32,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:32,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:32,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:32,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:32,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:32,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:45:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:32,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:32,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:32,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:45:32,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:32,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 04:45:32,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:32,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:32,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:32,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 04:45:32,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:45:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:32,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:32,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:32,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:45:32,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:32,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:45:32,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:32,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:32,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:32,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:32,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 04:45:32,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 04:45:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:32,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:32,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:32,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:45:32,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:32,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:45:32,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:45:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:32,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-28 04:45:32,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646592844] [2020-10-28 04:45:32,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 04:45:32,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 04:45:32,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084733738] [2020-10-28 04:45:32,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 04:45:32,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:45:32,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 04:45:32,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 04:45:32,353 INFO L87 Difference]: Start difference. First operand 907 states and 1109 transitions. Second operand 11 states. [2020-10-28 04:45:37,583 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 04:45:46,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:45:46,692 INFO L93 Difference]: Finished difference Result 2204 states and 2863 transitions. [2020-10-28 04:45:46,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 04:45:46,693 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2020-10-28 04:45:46,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:45:46,703 INFO L225 Difference]: With dead ends: 2204 [2020-10-28 04:45:46,703 INFO L226 Difference]: Without dead ends: 1313 [2020-10-28 04:45:46,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-10-28 04:45:46,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2020-10-28 04:45:46,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 908. [2020-10-28 04:45:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2020-10-28 04:45:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1110 transitions. [2020-10-28 04:45:46,879 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1110 transitions. Word has length 86 [2020-10-28 04:45:46,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:45:46,879 INFO L481 AbstractCegarLoop]: Abstraction has 908 states and 1110 transitions. [2020-10-28 04:45:46,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 04:45:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1110 transitions. [2020-10-28 04:45:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 04:45:46,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:45:46,882 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 04:45:46,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 04:45:46,883 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:45:46,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:45:46,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1502734868, now seen corresponding path program 2 times [2020-10-28 04:45:46,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:45:46,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257649913] [2020-10-28 04:45:46,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:45:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:46,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:47,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:47,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:51,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:51,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-28 04:45:51,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 04:45:51,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 04:45:51,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:45:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 04:45:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 04:45:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:52,740 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 04:45:52,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:45:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:52,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:52,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:52,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:45:52,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:52,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 04:45:52,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:52,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:52,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:52,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:52,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:52,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:45:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:52,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:52,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:52,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:45:52,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:52,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:45:52,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:52,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:52,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:52,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:52,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:45:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:52,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:52,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:52,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:45:52,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:52,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:45:52,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:52,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:52,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:52,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:52,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:52,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:45:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:52,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:52,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:52,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:45:52,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:52,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:45:52,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:52,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:52,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:45:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:52,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:52,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:52,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:45:52,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:45:52,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:52,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:45:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:52,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:52,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:53,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:53,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 04:45:53,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:45:53,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 04:45:53,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:45:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:45:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 04:45:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:53,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 04:45:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:53,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:53,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:53,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 04:45:53,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:53,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 04:45:53,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:53,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:45:53,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:45:53,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 04:45:53,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:53,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 04:45:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:53,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:53,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:53,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 04:45:53,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:53,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 04:45:53,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:53,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:53,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:45:53,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:53,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:53,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:45:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:53,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:53,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:53,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 04:45:53,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:53,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 04:45:53,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:53,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:53,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:45:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:53,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:53,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:53,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:45:53,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:53,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:45:53,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:53,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:53,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:45:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:53,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:53,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:53,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:45:53,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:53,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:45:53,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:53,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:53,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:45:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:53,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:53,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:53,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:45:53,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:53,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:45:53,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:53,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:45:53,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:53,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:53,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 04:45:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:45:53,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:45:53,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:45:53,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:45:53,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:45:53,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:45:53,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:45:53,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:45:53,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:45:53,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:45:53,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:45:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-28 04:45:53,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257649913] [2020-10-28 04:45:53,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 04:45:53,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 04:45:53,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137982025] [2020-10-28 04:45:53,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 04:45:53,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:45:53,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 04:45:53,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-28 04:45:53,452 INFO L87 Difference]: Start difference. First operand 908 states and 1110 transitions. Second operand 13 states. [2020-10-28 04:45:59,910 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 04:46:10,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:46:10,126 INFO L93 Difference]: Finished difference Result 2206 states and 2865 transitions. [2020-10-28 04:46:10,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 04:46:10,127 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 88 [2020-10-28 04:46:10,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:46:10,136 INFO L225 Difference]: With dead ends: 2206 [2020-10-28 04:46:10,137 INFO L226 Difference]: Without dead ends: 1314 [2020-10-28 04:46:10,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2020-10-28 04:46:10,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-28 04:46:10,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 909. [2020-10-28 04:46:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-10-28 04:46:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1111 transitions. [2020-10-28 04:46:10,319 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1111 transitions. Word has length 88 [2020-10-28 04:46:10,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:46:10,321 INFO L481 AbstractCegarLoop]: Abstraction has 909 states and 1111 transitions. [2020-10-28 04:46:10,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 04:46:10,321 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1111 transitions. [2020-10-28 04:46:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 04:46:10,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:46:10,325 INFO L422 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 04:46:10,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 04:46:10,325 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:46:10,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:46:10,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1533875996, now seen corresponding path program 3 times [2020-10-28 04:46:10,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:46:10,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105587594] [2020-10-28 04:46:10,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:46:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:10,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:10,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:10,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:15,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:15,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 04:46:15,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 04:46:15,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 04:46:15,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 04:46:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 04:46:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 04:46:15,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,162 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 04:46:16,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:46:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:46:16,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 04:46:16,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:46:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:46:16,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:46:16,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:46:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:46:16,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:46:16,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:16,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:46:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:46:16,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:46:16,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:16,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:46:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:46:16,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:46:16,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:16,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:46:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 04:46:16,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:46:16,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 04:46:16,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 04:46:16,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:46:16,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 04:46:16,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 04:46:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 04:46:16,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 04:46:16,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 04:46:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:46:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 04:46:16,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 04:46:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 04:46:16,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 04:46:16,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:46:16,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:46:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 04:46:16,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:46:16,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:46:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:46:16,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:46:16,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:46:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:46:16,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:46:16,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:16,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:46:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:46:16,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:46:16,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 04:46:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:16,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:16,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:16,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:46:16,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:46:16,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:46:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 04:46:16,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105587594] [2020-10-28 04:46:16,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 04:46:16,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 04:46:16,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694033160] [2020-10-28 04:46:16,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 04:46:16,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:46:16,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 04:46:16,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-28 04:46:16,821 INFO L87 Difference]: Start difference. First operand 909 states and 1111 transitions. Second operand 14 states. [2020-10-28 04:46:22,834 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 04:46:31,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:46:31,994 INFO L93 Difference]: Finished difference Result 2208 states and 2867 transitions. [2020-10-28 04:46:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 04:46:31,996 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 90 [2020-10-28 04:46:31,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:46:32,005 INFO L225 Difference]: With dead ends: 2208 [2020-10-28 04:46:32,005 INFO L226 Difference]: Without dead ends: 1315 [2020-10-28 04:46:32,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2020-10-28 04:46:32,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2020-10-28 04:46:32,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 910. [2020-10-28 04:46:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-10-28 04:46:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1112 transitions. [2020-10-28 04:46:32,168 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1112 transitions. Word has length 90 [2020-10-28 04:46:32,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:46:32,169 INFO L481 AbstractCegarLoop]: Abstraction has 910 states and 1112 transitions. [2020-10-28 04:46:32,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 04:46:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1112 transitions. [2020-10-28 04:46:32,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 04:46:32,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:46:32,171 INFO L422 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 04:46:32,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 04:46:32,172 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:46:32,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:46:32,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1497815572, now seen corresponding path program 4 times [2020-10-28 04:46:32,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:46:32,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21810038] [2020-10-28 04:46:32,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:46:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:32,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:32,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:32,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 04:46:32,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:32,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-28 04:46:32,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:46:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:46:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 04:46:32,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:33,640 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 04:46:33,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:46:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:33,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:33,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:33,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:46:33,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 04:46:33,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:33,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:46:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:33,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:33,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:33,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:46:33,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:33,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:46:33,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:33,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:33,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:33,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:33,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:33,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:46:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:33,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:33,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:33,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:46:33,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:33,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:46:33,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:33,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:33,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:33,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:33,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:33,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:46:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:33,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:33,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:33,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:46:33,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:46:33,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:46:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:46:33,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:33,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:46:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:33,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:33,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:33,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:46:33,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:33,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:46:33,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:33,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:46:33,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 04:46:33,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:33,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:46:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:33,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:33,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:33,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:46:33,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:33,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 04:46:33,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:46:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 04:46:33,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:33,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 04:46:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:33,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:33,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:33,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:46:33,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:33,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 04:46:33,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:46:33,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:33,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 04:46:33,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:33,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 04:46:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:33,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:33,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:33,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 04:46:33,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:33,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 04:46:33,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:46:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 04:46:34,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:34,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:46:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:34,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:34,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:34,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 04:46:34,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:46:34,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:34,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:34,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:46:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:34,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:34,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:34,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:46:34,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:34,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:46:34,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:34,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:34,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:34,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:34,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:34,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:46:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:34,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:34,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:34,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:46:34,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:34,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:46:34,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:34,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:34,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:34,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:46:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:34,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:34,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:34,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:46:34,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:34,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:46:34,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:46:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:46:34,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:34,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 04:46:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:46:34,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:46:34,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:46:34,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:46:34,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:46:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:46:34,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:46:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:46:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:46:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:46:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:46:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-28 04:46:34,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21810038] [2020-10-28 04:46:34,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 04:46:34,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 04:46:34,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142405344] [2020-10-28 04:46:34,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 04:46:34,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:46:34,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 04:46:34,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-28 04:46:34,221 INFO L87 Difference]: Start difference. First operand 910 states and 1112 transitions. Second operand 12 states. [2020-10-28 04:46:39,375 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-28 04:46:46,443 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 227 DAG size of output: 225 [2020-10-28 04:46:47,306 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-28 04:46:48,193 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-28 04:46:54,489 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-28 04:46:59,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:46:59,756 INFO L93 Difference]: Finished difference Result 2444 states and 3256 transitions. [2020-10-28 04:46:59,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 04:46:59,758 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-10-28 04:46:59,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:46:59,771 INFO L225 Difference]: With dead ends: 2444 [2020-10-28 04:46:59,772 INFO L226 Difference]: Without dead ends: 2418 [2020-10-28 04:46:59,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2020-10-28 04:46:59,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2020-10-28 04:47:00,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 1909. [2020-10-28 04:47:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1909 states. [2020-10-28 04:47:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2403 transitions. [2020-10-28 04:47:00,049 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2403 transitions. Word has length 92 [2020-10-28 04:47:00,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:47:00,049 INFO L481 AbstractCegarLoop]: Abstraction has 1909 states and 2403 transitions. [2020-10-28 04:47:00,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 04:47:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2403 transitions. [2020-10-28 04:47:00,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-28 04:47:00,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:47:00,057 INFO L422 BasicCegarLoop]: trace histogram [8, 5, 5, 5, 3, 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] [2020-10-28 04:47:00,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 04:47:00,057 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:47:00,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:47:00,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1281316142, now seen corresponding path program 1 times [2020-10-28 04:47:00,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:47:00,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918462072] [2020-10-28 04:47:00,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:47:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:00,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:00,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:00,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:00,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:04,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:05,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:05,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-28 04:47:05,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 04:47:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5330 [2020-10-28 04:47:05,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:05,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:47:05,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-28 04:47:05,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 04:47:05,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:06,189 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 04:47:06,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:47:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:06,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:06,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:06,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:47:06,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:06,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 04:47:06,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:06,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:06,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:06,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:06,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:06,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:47:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:06,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:06,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:06,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:47:06,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:06,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:47:06,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:06,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:06,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:47:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:06,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:06,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:06,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:47:06,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:06,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:47:06,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:06,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:06,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:47:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:06,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:06,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:06,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:47:06,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:06,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 04:47:06,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:06,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:06,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:06,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:06,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:06,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:47:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:06,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:06,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:06,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:47:06,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:06,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:47:06,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:06,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:47:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:06,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:06,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:06,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:47:06,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 04:47:06,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 04:47:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:06,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:06,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:06,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:47:06,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:06,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 04:47:06,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:06,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:06,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:06,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:06,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 04:47:06,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 04:47:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:06,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:06,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 04:47:08,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:47:08,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1592 [2020-10-28 04:47:08,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:47:08,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-28 04:47:08,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 04:47:08,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 04:47:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:08,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 04:47:08,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:08,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:47:08,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:08,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:08,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:08,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:47:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:08,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:47:08,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:08,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:47:08,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:08,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:08,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 04:47:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:08,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:47:08,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:08,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:47:08,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:08,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:08,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:08,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:47:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:08,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:47:08,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:08,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:47:08,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:08,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:08,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:08,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 04:47:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:08,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:47:08,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:08,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 04:47:08,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:08,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:47:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:08,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:47:08,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:47:08,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:08,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 04:47:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:08,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:47:08,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:08,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:47:08,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:08,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:08,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:08,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 04:47:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:08,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:47:08,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:08,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:47:08,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 04:47:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:47:08,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:08,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 04:47:08,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:08,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:47:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:47:08,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:47:08,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:47:08,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:47:08,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:47:08,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:47:08,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:47:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:47:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:47:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:47:08,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:47:08,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 04:47:08,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 04:47:08,423 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 33 more [2020-10-28 04:47:08,430 INFO L168 Benchmark]: Toolchain (without parser) took 144889.76 ms. Allocated memory was 155.2 MB in the beginning and 838.9 MB in the end (delta: 683.7 MB). Free memory was 121.1 MB in the beginning and 361.0 MB in the end (delta: -239.9 MB). Peak memory consumption was 444.8 MB. Max. memory is 8.0 GB. [2020-10-28 04:47:08,430 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 155.2 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 04:47:08,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2083.18 ms. Allocated memory was 155.2 MB in the beginning and 202.4 MB in the end (delta: 47.2 MB). Free memory was 120.6 MB in the beginning and 161.5 MB in the end (delta: -41.0 MB). Peak memory consumption was 91.1 MB. Max. memory is 8.0 GB. [2020-10-28 04:47:08,436 INFO L168 Benchmark]: Boogie Preprocessor took 233.09 ms. Allocated memory is still 202.4 MB. Free memory was 161.5 MB in the beginning and 155.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. [2020-10-28 04:47:08,440 INFO L168 Benchmark]: RCFGBuilder took 4086.40 ms. Allocated memory was 202.4 MB in the beginning and 329.3 MB in the end (delta: 126.9 MB). Free memory was 155.2 MB in the beginning and 239.1 MB in the end (delta: -83.9 MB). Peak memory consumption was 137.9 MB. Max. memory is 8.0 GB. [2020-10-28 04:47:08,444 INFO L168 Benchmark]: TraceAbstraction took 138472.80 ms. Allocated memory was 329.3 MB in the beginning and 838.9 MB in the end (delta: 509.6 MB). Free memory was 238.6 MB in the beginning and 361.0 MB in the end (delta: -122.4 MB). Peak memory consumption was 387.2 MB. Max. memory is 8.0 GB. [2020-10-28 04:47:08,448 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 155.2 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2083.18 ms. Allocated memory was 155.2 MB in the beginning and 202.4 MB in the end (delta: 47.2 MB). Free memory was 120.6 MB in the beginning and 161.5 MB in the end (delta: -41.0 MB). Peak memory consumption was 91.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 233.09 ms. Allocated memory is still 202.4 MB. Free memory was 161.5 MB in the beginning and 155.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 4086.40 ms. Allocated memory was 202.4 MB in the beginning and 329.3 MB in the end (delta: 126.9 MB). Free memory was 155.2 MB in the beginning and 239.1 MB in the end (delta: -83.9 MB). Peak memory consumption was 137.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 138472.80 ms. Allocated memory was 329.3 MB in the beginning and 838.9 MB in the end (delta: 509.6 MB). Free memory was 238.6 MB in the beginning and 361.0 MB in the end (delta: -122.4 MB). Peak memory consumption was 387.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...