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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 00:48:25,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:48:25,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:48:25,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:48:25,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:48:25,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:48:25,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:48:25,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:48:25,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:48:25,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:48:25,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:48:25,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:48:25,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:48:25,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:48:25,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:48:25,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:48:25,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:48:25,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:48:25,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:48:25,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:48:25,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:48:25,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:48:25,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:48:25,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:48:25,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:48:25,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:48:25,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:48:25,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:48:25,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:48:25,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:48:25,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:48:25,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:48:25,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:48:25,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:48:25,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:48:25,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:48:25,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:48:25,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:48:25,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:48:25,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:48:25,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:48:25,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 00:48:25,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:48:25,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:48:25,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:48:25,407 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:48:25,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:48:25,408 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:48:25,408 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:48:25,408 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:48:25,409 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:48:25,409 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:48:25,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:48:25,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:48:25,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:48:25,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:48:25,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:48:25,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:48:25,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:48:25,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:48:25,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:48:25,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:48:25,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:48:25,412 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:48:25,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:48:25,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:48:25,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:48:25,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:48:25,413 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:48:25,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:48:25,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:48:25,413 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:48:25,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:48:25,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:48:25,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:48:25,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:48:25,460 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:48:25,461 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2019-10-03 00:48:25,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f248a29/bf7011bdd422437191812c6bbc459f50/FLAG37ad0918c [2019-10-03 00:48:26,338 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:48:26,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2019-10-03 00:48:26,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f248a29/bf7011bdd422437191812c6bbc459f50/FLAG37ad0918c [2019-10-03 00:48:26,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f248a29/bf7011bdd422437191812c6bbc459f50 [2019-10-03 00:48:26,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:48:26,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:48:26,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:48:26,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:48:26,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:48:26,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:26" (1/1) ... [2019-10-03 00:48:26,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62726ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:26, skipping insertion in model container [2019-10-03 00:48:26,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:26" (1/1) ... [2019-10-03 00:48:26,437 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:48:26,569 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:48:27,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:48:27,788 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:48:27,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:48:28,051 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:48:28,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:28 WrapperNode [2019-10-03 00:48:28,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:48:28,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:48:28,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:48:28,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:48:28,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:28" (1/1) ... [2019-10-03 00:48:28,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:28" (1/1) ... [2019-10-03 00:48:28,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:28" (1/1) ... [2019-10-03 00:48:28,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:28" (1/1) ... [2019-10-03 00:48:28,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:28" (1/1) ... [2019-10-03 00:48:28,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:28" (1/1) ... [2019-10-03 00:48:28,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:28" (1/1) ... [2019-10-03 00:48:28,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:48:28,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:48:28,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:48:28,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:48:28,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:28" (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 [2019-10-03 00:48:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:48:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:48:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-03 00:48:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2019-10-03 00:48:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-03 00:48:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-03 00:48:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2019-10-03 00:48:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:48:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:48:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:48:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:48:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:48:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:48:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:48:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:48:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:48:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-03 00:48:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-03 00:48:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rx [2019-10-03 00:48:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure build_header [2019-10-03 00:48:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_tx [2019-10-03 00:48:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ack_tx [2019-10-03 00:48:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_cap_init [2019-10-03 00:48:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure capmode_module_init [2019-10-03 00:48:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure capmode_module_exit [2019-10-03 00:48:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ArcProto_1 [2019-10-03 00:48:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:48:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 00:48:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 00:48:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 00:48:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 00:48:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-03 00:48:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-03 00:48:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2019-10-03 00:48:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_15 [2019-10-03 00:48:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_17 [2019-10-03 00:48:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 00:48:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 00:48:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 00:48:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 00:48:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 00:48:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:48:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:48:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:48:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:48:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 00:48:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:48:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 00:48:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 00:48:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 00:48:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 00:48:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 00:48:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:48:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-03 00:48:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_unregister_proto [2019-10-03 00:48:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:48:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-03 00:48:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-03 00:48:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-03 00:48:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:48:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:48:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:48:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:48:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 00:48:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:48:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:48:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:48:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 00:48:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:48:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 00:48:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 00:48:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 00:48:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-03 00:48:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-03 00:48:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 00:48:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2019-10-03 00:48:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-03 00:48:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-03 00:48:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-03 00:48:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2019-10-03 00:48:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:48:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:48:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-03 00:48:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:48:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-03 00:48:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 00:48:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 00:48:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 00:48:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 00:48:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:48:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:48:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:48:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-03 00:48:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:48:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:48:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:48:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2019-10-03 00:48:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:48:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:48:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:48:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:48:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:48:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:48:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:48:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:48:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:48:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:48:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ArcProto_1 [2019-10-03 00:48:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-03 00:48:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-03 00:48:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-03 00:48:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_15 [2019-10-03 00:48:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_17 [2019-10-03 00:48:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_unregister_proto [2019-10-03 00:48:28,328 INFO L130 BoogieDeclarations]: Found specification of procedure rx [2019-10-03 00:48:28,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:48:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-03 00:48:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:48:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure build_header [2019-10-03 00:48:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_tx [2019-10-03 00:48:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure ack_tx [2019-10-03 00:48:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_cap_init [2019-10-03 00:48:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure capmode_module_init [2019-10-03 00:48:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure capmode_module_exit [2019-10-03 00:48:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:48:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:48:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:48:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:48:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:48:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 00:48:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 00:48:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 00:48:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 00:48:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 00:48:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:48:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:48:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:48:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:48:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 00:48:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 00:48:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 00:48:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:48:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:48:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:48:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:48:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:48:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:48:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:48:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 00:48:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 00:48:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 00:48:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 00:48:29,072 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:48:29,687 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:48:29,688 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 00:48:29,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:29 BoogieIcfgContainer [2019-10-03 00:48:29,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:48:29,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:48:29,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:48:29,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:48:29,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:48:26" (1/3) ... [2019-10-03 00:48:29,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e3b4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:48:29, skipping insertion in model container [2019-10-03 00:48:29,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:28" (2/3) ... [2019-10-03 00:48:29,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e3b4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:48:29, skipping insertion in model container [2019-10-03 00:48:29,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:29" (3/3) ... [2019-10-03 00:48:29,699 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2019-10-03 00:48:29,709 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:48:29,723 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:48:29,739 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:48:29,771 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:48:29,771 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:48:29,772 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:48:29,772 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:48:29,772 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:48:29,772 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:48:29,772 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:48:29,772 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:48:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2019-10-03 00:48:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-03 00:48:29,832 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:29,833 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:48:29,837 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:29,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:29,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1062598801, now seen corresponding path program 1 times [2019-10-03 00:48:29,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:29,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:29,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:29,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:29,951 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:30,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 00:48:30,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:30,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:48:30,458 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:30,466 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:48:30,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:48:30,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:48:30,483 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 3 states. [2019-10-03 00:48:30,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:30,671 INFO L93 Difference]: Finished difference Result 520 states and 650 transitions. [2019-10-03 00:48:30,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:48:30,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-10-03 00:48:30,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:30,709 INFO L225 Difference]: With dead ends: 520 [2019-10-03 00:48:30,709 INFO L226 Difference]: Without dead ends: 505 [2019-10-03 00:48:30,711 INFO L640 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 [2019-10-03 00:48:30,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-10-03 00:48:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2019-10-03 00:48:30,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2019-10-03 00:48:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 629 transitions. [2019-10-03 00:48:30,805 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 629 transitions. Word has length 54 [2019-10-03 00:48:30,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:30,806 INFO L475 AbstractCegarLoop]: Abstraction has 505 states and 629 transitions. [2019-10-03 00:48:30,806 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:48:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 629 transitions. [2019-10-03 00:48:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-03 00:48:30,810 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:30,811 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:48:30,811 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:30,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:30,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1708290058, now seen corresponding path program 1 times [2019-10-03 00:48:30,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:30,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:30,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:30,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:30,820 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 00:48:30,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:30,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:48:30,948 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:30,950 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:48:30,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:48:30,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:48:30,951 INFO L87 Difference]: Start difference. First operand 505 states and 629 transitions. Second operand 3 states. [2019-10-03 00:48:30,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:30,988 INFO L93 Difference]: Finished difference Result 509 states and 634 transitions. [2019-10-03 00:48:30,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:48:30,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-10-03 00:48:30,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:30,993 INFO L225 Difference]: With dead ends: 509 [2019-10-03 00:48:30,993 INFO L226 Difference]: Without dead ends: 509 [2019-10-03 00:48:30,994 INFO L640 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 [2019-10-03 00:48:30,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2019-10-03 00:48:31,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 506. [2019-10-03 00:48:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2019-10-03 00:48:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 630 transitions. [2019-10-03 00:48:31,105 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 630 transitions. Word has length 62 [2019-10-03 00:48:31,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:31,105 INFO L475 AbstractCegarLoop]: Abstraction has 506 states and 630 transitions. [2019-10-03 00:48:31,106 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:48:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 630 transitions. [2019-10-03 00:48:31,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-03 00:48:31,111 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:31,111 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:48:31,114 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:31,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:31,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1732199901, now seen corresponding path program 1 times [2019-10-03 00:48:31,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:31,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:31,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:31,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:31,133 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:31,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-03 00:48:31,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:31,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:48:31,269 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:31,269 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:48:31,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:48:31,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:48:31,270 INFO L87 Difference]: Start difference. First operand 506 states and 630 transitions. Second operand 5 states. [2019-10-03 00:48:31,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:31,365 INFO L93 Difference]: Finished difference Result 505 states and 626 transitions. [2019-10-03 00:48:31,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 00:48:31,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-10-03 00:48:31,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:31,371 INFO L225 Difference]: With dead ends: 505 [2019-10-03 00:48:31,371 INFO L226 Difference]: Without dead ends: 505 [2019-10-03 00:48:31,372 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:48:31,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-10-03 00:48:31,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2019-10-03 00:48:31,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2019-10-03 00:48:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 626 transitions. [2019-10-03 00:48:31,413 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 626 transitions. Word has length 66 [2019-10-03 00:48:31,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:31,415 INFO L475 AbstractCegarLoop]: Abstraction has 505 states and 626 transitions. [2019-10-03 00:48:31,415 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:48:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 626 transitions. [2019-10-03 00:48:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-03 00:48:31,419 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:31,419 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-10-03 00:48:31,420 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:31,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:31,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1450003243, now seen corresponding path program 1 times [2019-10-03 00:48:31,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:31,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:31,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:31,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:31,429 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-03 00:48:31,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:31,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:48:31,699 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:31,700 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:48:31,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:48:31,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:48:31,701 INFO L87 Difference]: Start difference. First operand 505 states and 626 transitions. Second operand 6 states. [2019-10-03 00:48:32,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:32,131 INFO L93 Difference]: Finished difference Result 994 states and 1252 transitions. [2019-10-03 00:48:32,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 00:48:32,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2019-10-03 00:48:32,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:32,144 INFO L225 Difference]: With dead ends: 994 [2019-10-03 00:48:32,145 INFO L226 Difference]: Without dead ends: 978 [2019-10-03 00:48:32,145 INFO L640 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 [2019-10-03 00:48:32,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2019-10-03 00:48:32,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 978. [2019-10-03 00:48:32,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2019-10-03 00:48:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1236 transitions. [2019-10-03 00:48:32,194 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1236 transitions. Word has length 106 [2019-10-03 00:48:32,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:32,197 INFO L475 AbstractCegarLoop]: Abstraction has 978 states and 1236 transitions. [2019-10-03 00:48:32,197 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:48:32,197 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1236 transitions. [2019-10-03 00:48:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-03 00:48:32,205 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:32,205 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:48:32,205 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:32,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:32,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1827113005, now seen corresponding path program 1 times [2019-10-03 00:48:32,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:32,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:32,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:32,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:32,212 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-10-03 00:48:32,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:48:32,500 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:48:32,501 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2019-10-03 00:48:32,504 INFO L207 CegarAbsIntRunner]: [34], [36], [37], [44], [46], [48], [49], [50], [52], [55], [57], [60], [63], [76], [89], [102], [105], [108], [110], [129], [132], [135], [138], [141], [143], [147], [150], [153], [155], [158], [167], [206], [207], [211], [220], [225], [237], [241], [246], [247], [253], [254], [302], [303], [385], [386], [389], [391], [394], [398], [402], [404], [407], [411], [412], [416], [418], [419], [432], [434], [438], [440], [441], [462], [464], [467], [472], [475], [480], [482], [523], [534], [536], [537], [575], [586], [587], [613], [619], [620], [625], [626], [629], [631], [636], [657], [662], [663], [666], [667], [668], [669], [670], [671], [672], [673], [674], [675], [682], [683], [686], [687], [688], [689], [690], [691], [696], [702], [703], [720], [721], [730], [731], [732], [733], [736], [737], [738], [739], [764], [765], [790], [791], [792], [798], [799], [800], [802], [803] [2019-10-03 00:48:32,557 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:48:32,558 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:48:32,661 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:48:32,663 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 124 variables. [2019-10-03 00:48:32,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:32,667 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:48:32,766 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:48:32,766 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:48:32,775 INFO L420 sIntCurrentIteration]: We unified 157 AI predicates to 157 [2019-10-03 00:48:32,776 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:48:32,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:48:32,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-10-03 00:48:32,777 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:32,778 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:48:32,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:48:32,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:48:32,779 INFO L87 Difference]: Start difference. First operand 978 states and 1236 transitions. Second operand 2 states. [2019-10-03 00:48:32,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:32,780 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:48:32,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:48:32,780 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-10-03 00:48:32,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:32,781 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:48:32,781 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:48:32,781 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:48:32,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:48:32,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:48:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:48:32,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:48:32,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2019-10-03 00:48:32,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:32,783 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:48:32,783 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:48:32,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:48:32,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:48:32,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:48:32 BoogieIcfgContainer [2019-10-03 00:48:32,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:48:32,794 INFO L168 Benchmark]: Toolchain (without parser) took 6372.88 ms. Allocated memory was 133.7 MB in the beginning and 367.5 MB in the end (delta: 233.8 MB). Free memory was 76.3 MB in the beginning and 254.3 MB in the end (delta: -178.0 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:32,794 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory is still 102.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 00:48:32,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1631.67 ms. Allocated memory was 133.7 MB in the beginning and 218.1 MB in the end (delta: 84.4 MB). Free memory was 75.9 MB in the beginning and 117.6 MB in the end (delta: -41.7 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:32,797 INFO L168 Benchmark]: Boogie Preprocessor took 173.62 ms. Allocated memory is still 218.1 MB. Free memory was 117.6 MB in the beginning and 110.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:32,798 INFO L168 Benchmark]: RCFGBuilder took 1463.17 ms. Allocated memory was 218.1 MB in the beginning and 273.2 MB in the end (delta: 55.1 MB). Free memory was 110.3 MB in the beginning and 138.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:32,800 INFO L168 Benchmark]: TraceAbstraction took 3099.54 ms. Allocated memory was 273.2 MB in the beginning and 367.5 MB in the end (delta: 94.4 MB). Free memory was 136.0 MB in the beginning and 254.3 MB in the end (delta: -118.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 00:48:32,809 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory is still 102.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1631.67 ms. Allocated memory was 133.7 MB in the beginning and 218.1 MB in the end (delta: 84.4 MB). Free memory was 75.9 MB in the beginning and 117.6 MB in the end (delta: -41.7 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 173.62 ms. Allocated memory is still 218.1 MB. Free memory was 117.6 MB in the beginning and 110.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1463.17 ms. Allocated memory was 218.1 MB in the beginning and 273.2 MB in the end (delta: 55.1 MB). Free memory was 110.3 MB in the beginning and 138.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3099.54 ms. Allocated memory was 273.2 MB in the beginning and 367.5 MB in the end (delta: 94.4 MB). Free memory was 136.0 MB in the beginning and 254.3 MB in the end (delta: -118.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5349]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 64 procedures, 399 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1573 SDtfs, 965 SDslu, 2962 SDs, 0 SdLazy, 208 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=978occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.8789808917197452 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 57467 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 97/98 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...