java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 09:09:36,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 09:09:36,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 09:09:36,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 09:09:36,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 09:09:36,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 09:09:36,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 09:09:36,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 09:09:36,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 09:09:36,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 09:09:36,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 09:09:36,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 09:09:36,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 09:09:36,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 09:09:36,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 09:09:36,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 09:09:36,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 09:09:36,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 09:09:36,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 09:09:36,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 09:09:36,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 09:09:36,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 09:09:36,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 09:09:36,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 09:09:36,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 09:09:36,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 09:09:36,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 09:09:36,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 09:09:36,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 09:09:36,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 09:09:36,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 09:09:36,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 09:09:36,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 09:09:36,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 09:09:36,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 09:09:36,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 09:09:36,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 09:09:36,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 09:09:36,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 09:09:36,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 09:09:36,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 09:09:36,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 09:09:36,583 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 09:09:36,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 09:09:36,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 09:09:36,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 09:09:36,586 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 09:09:36,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 09:09:36,587 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 09:09:36,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 09:09:36,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 09:09:36,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 09:09:36,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 09:09:36,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 09:09:36,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 09:09:36,589 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 09:09:36,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 09:09:36,589 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 09:09:36,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 09:09:36,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 09:09:36,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 09:09:36,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 09:09:36,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 09:09:36,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 09:09:36,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 09:09:36,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 09:09:36,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 09:09:36,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 09:09:36,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 09:09:36,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 09:09:36,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 09:09:36,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 09:09:36,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 09:09:36,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 09:09:36,882 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 09:09:36,883 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 09:09:36,883 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2019-10-07 09:09:36,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3973d72b/5872615dcf194063823173df8e5140ce/FLAG5e9bd6e06 [2019-10-07 09:09:37,726 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 09:09:37,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2019-10-07 09:09:37,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3973d72b/5872615dcf194063823173df8e5140ce/FLAG5e9bd6e06 [2019-10-07 09:09:37,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3973d72b/5872615dcf194063823173df8e5140ce [2019-10-07 09:09:37,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 09:09:37,799 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 09:09:37,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 09:09:37,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 09:09:37,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 09:09:37,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 09:09:37" (1/1) ... [2019-10-07 09:09:37,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2145fe62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:37, skipping insertion in model container [2019-10-07 09:09:37,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 09:09:37" (1/1) ... [2019-10-07 09:09:37,813 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 09:09:37,913 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 09:09:39,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 09:09:39,301 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 09:09:39,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 09:09:39,642 INFO L192 MainTranslator]: Completed translation [2019-10-07 09:09:39,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:39 WrapperNode [2019-10-07 09:09:39,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 09:09:39,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 09:09:39,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 09:09:39,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 09:09:39,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:39" (1/1) ... [2019-10-07 09:09:39,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:39" (1/1) ... [2019-10-07 09:09:39,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:39" (1/1) ... [2019-10-07 09:09:39,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:39" (1/1) ... [2019-10-07 09:09:39,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:39" (1/1) ... [2019-10-07 09:09:39,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:39" (1/1) ... [2019-10-07 09:09:39,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:39" (1/1) ... [2019-10-07 09:09:39,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 09:09:39,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 09:09:39,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 09:09:39,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 09:09:39,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-07 09:09:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 09:09:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 09:09:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 09:09:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 09:09:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 09:09:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-07 09:09:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 09:09:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 09:09:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 09:09:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 09:09:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 09:09:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 09:09:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 09:09:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 09:09:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 09:09:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-07 09:09:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-07 09:09:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2019-10-07 09:09:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_bind [2019-10-07 09:09:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_unbind [2019-10-07 09:09:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2019-10-07 09:09:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2019-10-07 09:09:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_init [2019-10-07 09:09:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_exit [2019-10-07 09:09:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2019-10-07 09:09:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-07 09:09:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 09:09:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-07 09:09:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-07 09:09:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-07 09:09:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-07 09:09:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-07 09:09:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2019-10-07 09:09:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2019-10-07 09:09:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2019-10-07 09:09:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-07 09:09:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-07 09:09:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-07 09:09:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-07 09:09:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-07 09:09:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 09:09:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 09:09:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 09:09:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 09:09:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-07 09:09:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 09:09:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-07 09:09:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-07 09:09:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-07 09:09:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-07 09:09:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-07 09:09:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 09:09:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-07 09:09:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 09:09:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 09:09:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2019-10-07 09:09:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2019-10-07 09:09:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-07 09:09:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-07 09:09:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 09:09:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-07 09:09:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-07 09:09:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 09:09:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 09:09:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2019-10-07 09:09:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2019-10-07 09:09:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2019-10-07 09:09:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2019-10-07 09:09:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2019-10-07 09:09:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2019-10-07 09:09:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2019-10-07 09:09:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 09:09:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 09:09:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 09:09:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 09:09:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 09:09:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 09:09:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 09:09:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 09:09:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-07 09:09:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 09:09:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 09:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 09:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 09:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 09:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 09:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 09:09:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-07 09:09:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-07 09:09:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-07 09:09:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-07 09:09:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-07 09:09:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2019-10-07 09:09:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2019-10-07 09:09:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 09:09:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-07 09:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-07 09:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-07 09:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 09:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-07 09:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-07 09:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-07 09:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 09:09:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 09:09:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 09:09:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 09:09:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 09:09:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 09:09:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 09:09:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 09:09:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 09:09:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 09:09:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 09:09:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 09:09:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 09:09:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 09:09:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 09:09:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2019-10-07 09:09:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-07 09:09:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-07 09:09:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-07 09:09:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 09:09:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2019-10-07 09:09:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 09:09:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2019-10-07 09:09:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-07 09:09:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2019-10-07 09:09:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-07 09:09:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 09:09:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 09:09:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2019-10-07 09:09:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2019-10-07 09:09:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2019-10-07 09:09:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2019-10-07 09:09:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2019-10-07 09:09:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2019-10-07 09:09:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2019-10-07 09:09:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 09:09:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 09:09:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 09:09:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 09:09:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_bind [2019-10-07 09:09:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_unbind [2019-10-07 09:09:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2019-10-07 09:09:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2019-10-07 09:09:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_init [2019-10-07 09:09:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_exit [2019-10-07 09:09:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2019-10-07 09:09:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 09:09:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 09:09:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 09:09:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 09:09:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-07 09:09:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-07 09:09:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 09:09:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-07 09:09:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-07 09:09:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-07 09:09:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 09:09:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 09:09:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 09:09:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 09:09:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-07 09:09:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-07 09:09:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-07 09:09:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-07 09:09:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 09:09:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 09:09:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 09:09:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 09:09:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 09:09:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 09:09:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 09:09:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 09:09:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 09:09:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 09:09:40,774 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 09:09:44,532 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 09:09:44,533 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 09:09:44,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 09:09:44 BoogieIcfgContainer [2019-10-07 09:09:44,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 09:09:44,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 09:09:44,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 09:09:44,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 09:09:44,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 09:09:37" (1/3) ... [2019-10-07 09:09:44,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f365cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 09:09:44, skipping insertion in model container [2019-10-07 09:09:44,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:09:39" (2/3) ... [2019-10-07 09:09:44,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f365cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 09:09:44, skipping insertion in model container [2019-10-07 09:09:44,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 09:09:44" (3/3) ... [2019-10-07 09:09:44,547 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2019-10-07 09:09:44,557 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 09:09:44,572 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 09:09:44,585 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 09:09:44,633 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 09:09:44,633 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 09:09:44,633 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 09:09:44,633 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 09:09:44,633 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 09:09:44,634 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 09:09:44,634 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 09:09:44,634 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 09:09:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states. [2019-10-07 09:09:44,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 09:09:44,693 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:09:44,694 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 09:09:44,697 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:09:44,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:09:44,703 INFO L82 PathProgramCache]: Analyzing trace with hash 708915959, now seen corresponding path program 1 times [2019-10-07 09:09:44,712 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:09:44,712 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:44,713 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:44,713 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:44,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:09:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:09:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-07 09:09:45,331 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:45,332 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:09:45,332 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 09:09:45,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 09:09:45,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 09:09:45,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:09:45,354 INFO L87 Difference]: Start difference. First operand 361 states. Second operand 3 states. [2019-10-07 09:09:46,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:09:46,334 INFO L93 Difference]: Finished difference Result 968 states and 1280 transitions. [2019-10-07 09:09:46,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 09:09:46,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 09:09:46,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:09:46,368 INFO L225 Difference]: With dead ends: 968 [2019-10-07 09:09:46,369 INFO L226 Difference]: Without dead ends: 617 [2019-10-07 09:09:46,380 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:09:46,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2019-10-07 09:09:46,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2019-10-07 09:09:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2019-10-07 09:09:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 801 transitions. [2019-10-07 09:09:46,562 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 801 transitions. Word has length 53 [2019-10-07 09:09:46,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:09:46,562 INFO L462 AbstractCegarLoop]: Abstraction has 617 states and 801 transitions. [2019-10-07 09:09:46,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 09:09:46,563 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 801 transitions. [2019-10-07 09:09:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-07 09:09:46,570 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:09:46,571 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 09:09:46,571 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:09:46,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:09:46,571 INFO L82 PathProgramCache]: Analyzing trace with hash 135869433, now seen corresponding path program 1 times [2019-10-07 09:09:46,572 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:09:46,572 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:46,572 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:46,572 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:09:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:09:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-07 09:09:46,811 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:46,812 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:09:46,812 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 09:09:46,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 09:09:46,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 09:09:46,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 09:09:46,814 INFO L87 Difference]: Start difference. First operand 617 states and 801 transitions. Second operand 6 states. [2019-10-07 09:09:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:09:47,580 INFO L93 Difference]: Finished difference Result 1218 states and 1593 transitions. [2019-10-07 09:09:47,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 09:09:47,580 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-10-07 09:09:47,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:09:47,590 INFO L225 Difference]: With dead ends: 1218 [2019-10-07 09:09:47,590 INFO L226 Difference]: Without dead ends: 1197 [2019-10-07 09:09:47,592 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 09:09:47,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2019-10-07 09:09:47,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1197. [2019-10-07 09:09:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2019-10-07 09:09:47,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1570 transitions. [2019-10-07 09:09:47,667 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1570 transitions. Word has length 67 [2019-10-07 09:09:47,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:09:47,672 INFO L462 AbstractCegarLoop]: Abstraction has 1197 states and 1570 transitions. [2019-10-07 09:09:47,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 09:09:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1570 transitions. [2019-10-07 09:09:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-07 09:09:47,685 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:09:47,686 INFO L385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:09:47,686 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:09:47,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:09:47,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1451448, now seen corresponding path program 1 times [2019-10-07 09:09:47,687 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:09:47,687 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:47,687 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:47,687 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:47,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:09:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:09:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 09:09:47,945 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:47,946 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:09:47,946 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 09:09:47,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 09:09:47,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 09:09:47,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:09:47,947 INFO L87 Difference]: Start difference. First operand 1197 states and 1570 transitions. Second operand 3 states. [2019-10-07 09:09:48,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:09:48,051 INFO L93 Difference]: Finished difference Result 2659 states and 3487 transitions. [2019-10-07 09:09:48,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 09:09:48,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-10-07 09:09:48,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:09:48,063 INFO L225 Difference]: With dead ends: 2659 [2019-10-07 09:09:48,063 INFO L226 Difference]: Without dead ends: 1482 [2019-10-07 09:09:48,068 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:09:48,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2019-10-07 09:09:48,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1461. [2019-10-07 09:09:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1461 states. [2019-10-07 09:09:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1916 transitions. [2019-10-07 09:09:48,142 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1916 transitions. Word has length 119 [2019-10-07 09:09:48,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:09:48,143 INFO L462 AbstractCegarLoop]: Abstraction has 1461 states and 1916 transitions. [2019-10-07 09:09:48,144 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 09:09:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1916 transitions. [2019-10-07 09:09:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-07 09:09:48,151 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:09:48,152 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:09:48,152 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:09:48,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:09:48,152 INFO L82 PathProgramCache]: Analyzing trace with hash -397243396, now seen corresponding path program 1 times [2019-10-07 09:09:48,153 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:09:48,153 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:48,153 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:48,153 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:48,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:09:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:09:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-07 09:09:48,318 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:48,319 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:09:48,319 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 09:09:48,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 09:09:48,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 09:09:48,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:09:48,321 INFO L87 Difference]: Start difference. First operand 1461 states and 1916 transitions. Second operand 3 states. [2019-10-07 09:09:48,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:09:48,711 INFO L93 Difference]: Finished difference Result 3675 states and 4813 transitions. [2019-10-07 09:09:48,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 09:09:48,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-07 09:09:48,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:09:48,727 INFO L225 Difference]: With dead ends: 3675 [2019-10-07 09:09:48,727 INFO L226 Difference]: Without dead ends: 2242 [2019-10-07 09:09:48,735 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:09:48,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2019-10-07 09:09:48,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2221. [2019-10-07 09:09:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2221 states. [2019-10-07 09:09:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 2880 transitions. [2019-10-07 09:09:48,861 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 2880 transitions. Word has length 157 [2019-10-07 09:09:48,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:09:48,861 INFO L462 AbstractCegarLoop]: Abstraction has 2221 states and 2880 transitions. [2019-10-07 09:09:48,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 09:09:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2880 transitions. [2019-10-07 09:09:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-07 09:09:48,866 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:09:48,867 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:09:48,867 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:09:48,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:09:48,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1288270035, now seen corresponding path program 1 times [2019-10-07 09:09:48,868 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:09:48,869 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:48,869 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:48,869 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:48,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:09:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:09:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-10-07 09:09:49,087 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:49,087 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:09:49,088 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 09:09:49,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 09:09:49,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 09:09:49,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 09:09:49,090 INFO L87 Difference]: Start difference. First operand 2221 states and 2880 transitions. Second operand 5 states. [2019-10-07 09:09:49,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:09:49,275 INFO L93 Difference]: Finished difference Result 4468 states and 5849 transitions. [2019-10-07 09:09:49,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 09:09:49,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2019-10-07 09:09:49,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:09:49,305 INFO L225 Difference]: With dead ends: 4468 [2019-10-07 09:09:49,305 INFO L226 Difference]: Without dead ends: 2275 [2019-10-07 09:09:49,315 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 09:09:49,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2019-10-07 09:09:49,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2261. [2019-10-07 09:09:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2019-10-07 09:09:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2930 transitions. [2019-10-07 09:09:49,416 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2930 transitions. Word has length 144 [2019-10-07 09:09:49,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:09:49,418 INFO L462 AbstractCegarLoop]: Abstraction has 2261 states and 2930 transitions. [2019-10-07 09:09:49,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 09:09:49,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2930 transitions. [2019-10-07 09:09:49,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-07 09:09:49,423 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:09:49,425 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 09:09:49,425 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:09:49,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:09:49,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1056262520, now seen corresponding path program 1 times [2019-10-07 09:09:49,426 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:09:49,426 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:49,426 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:49,426 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:49,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:09:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:09:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 09:09:49,647 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:49,647 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:09:49,648 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 09:09:49,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 09:09:49,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 09:09:49,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 09:09:49,649 INFO L87 Difference]: Start difference. First operand 2261 states and 2930 transitions. Second operand 4 states. [2019-10-07 09:09:49,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:09:49,738 INFO L93 Difference]: Finished difference Result 4502 states and 5840 transitions. [2019-10-07 09:09:49,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 09:09:49,739 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2019-10-07 09:09:49,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:09:49,756 INFO L225 Difference]: With dead ends: 4502 [2019-10-07 09:09:49,756 INFO L226 Difference]: Without dead ends: 2262 [2019-10-07 09:09:49,765 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 09:09:49,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2019-10-07 09:09:49,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2262. [2019-10-07 09:09:49,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2262 states. [2019-10-07 09:09:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 2931 transitions. [2019-10-07 09:09:49,859 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 2931 transitions. Word has length 148 [2019-10-07 09:09:49,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:09:49,859 INFO L462 AbstractCegarLoop]: Abstraction has 2262 states and 2931 transitions. [2019-10-07 09:09:49,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 09:09:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2931 transitions. [2019-10-07 09:09:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-07 09:09:49,866 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:09:49,866 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 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] [2019-10-07 09:09:49,866 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:09:49,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:09:49,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1615211683, now seen corresponding path program 1 times [2019-10-07 09:09:49,867 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:09:49,867 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:49,867 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:49,867 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:09:49,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:09:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:09:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-10-07 09:09:50,070 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:09:50,071 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 09:09:50,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 09:09:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:09:50,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 1651 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 09:09:50,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 09:09:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-10-07 09:09:50,609 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 09:09:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-10-07 09:09:50,914 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 09:09:50,959 INFO L162 IcfgInterpreter]: Started Sifa with 131 locations of interest [2019-10-07 09:09:50,959 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 09:09:50,966 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 09:09:50,974 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 09:09:50,975 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 09:10:55,188 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 823 [2019-10-07 09:13:20,229 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 808 [2019-10-07 09:13:21,045 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 804 [2019-10-07 09:13:21,754 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 800 [2019-10-07 09:13:22,322 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 796 [2019-10-07 09:13:22,792 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 792 [2019-10-07 09:13:23,111 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 788 [2019-10-07 09:13:23,702 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 784 [2019-10-07 09:13:24,431 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 776 [2019-10-07 09:13:25,366 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 768 [2019-10-07 09:13:25,659 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-10-07 09:13:27,027 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2019-10-07 09:13:28,059 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 712 [2019-10-07 09:13:28,436 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 711 [2019-10-07 09:13:28,592 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 708 [2019-10-07 09:13:39,709 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 09:13:39,711 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.UnsupportedOperationException: need numeric sort at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.UnsupportedOperationException: need numeric sort at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.numericEquality(SmtUtils.java:698) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.binaryEquality(SmtUtils.java:628) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.QuantifierUtils.applyDerOperator(QuantifierUtils.java:103) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ArrayIndexEqualityManager.constructDerRelation(ArrayIndexEqualityManager.java:297) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ArrayIndexEqualityManager.constructNestedStoreUpdateConstraintForOnePosition(ArrayIndexEqualityManager.java:415) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ArrayIndexEqualityManager.constructNestedStoreUpdateConstraint(ArrayIndexEqualityManager.java:448) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.Elim1Store.constructWriteConstraints2(Elim1Store.java:888) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:302) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 09:13:39,717 INFO L168 Benchmark]: Toolchain (without parser) took 241918.25 ms. Allocated memory was 146.8 MB in the beginning and 677.9 MB in the end (delta: 531.1 MB). Free memory was 96.6 MB in the beginning and 164.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 492.7 MB. Max. memory is 7.1 GB. [2019-10-07 09:13:39,718 INFO L168 Benchmark]: CDTParser took 1.21 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-07 09:13:39,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1843.25 ms. Allocated memory was 146.8 MB in the beginning and 210.2 MB in the end (delta: 63.4 MB). Free memory was 96.1 MB in the beginning and 97.9 MB in the end (delta: -1.8 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. [2019-10-07 09:13:39,720 INFO L168 Benchmark]: Boogie Preprocessor took 335.57 ms. Allocated memory was 210.2 MB in the beginning and 243.8 MB in the end (delta: 33.6 MB). Free memory was 97.9 MB in the beginning and 191.9 MB in the end (delta: -94.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-10-07 09:13:39,721 INFO L168 Benchmark]: RCFGBuilder took 4555.84 ms. Allocated memory was 243.8 MB in the beginning and 326.1 MB in the end (delta: 82.3 MB). Free memory was 191.9 MB in the beginning and 126.9 MB in the end (delta: 65.1 MB). Peak memory consumption was 149.4 MB. Max. memory is 7.1 GB. [2019-10-07 09:13:39,721 INFO L168 Benchmark]: TraceAbstraction took 235178.77 ms. Allocated memory was 326.1 MB in the beginning and 677.9 MB in the end (delta: 351.8 MB). Free memory was 126.9 MB in the beginning and 164.3 MB in the end (delta: -37.4 MB). Peak memory consumption was 343.7 MB. Max. memory is 7.1 GB. [2019-10-07 09:13:39,725 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1843.25 ms. Allocated memory was 146.8 MB in the beginning and 210.2 MB in the end (delta: 63.4 MB). Free memory was 96.1 MB in the beginning and 97.9 MB in the end (delta: -1.8 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 335.57 ms. Allocated memory was 210.2 MB in the beginning and 243.8 MB in the end (delta: 33.6 MB). Free memory was 97.9 MB in the beginning and 191.9 MB in the end (delta: -94.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4555.84 ms. Allocated memory was 243.8 MB in the beginning and 326.1 MB in the end (delta: 82.3 MB). Free memory was 191.9 MB in the beginning and 126.9 MB in the end (delta: 65.1 MB). Peak memory consumption was 149.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 235178.77 ms. Allocated memory was 326.1 MB in the beginning and 677.9 MB in the end (delta: 351.8 MB). Free memory was 126.9 MB in the beginning and 164.3 MB in the end (delta: -37.4 MB). Peak memory consumption was 343.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.UnsupportedOperationException: need numeric sort de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.UnsupportedOperationException: need numeric sort: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...