/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 00:03:04,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 00:03:04,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 00:03:05,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 00:03:05,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 00:03:05,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 00:03:05,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 00:03:05,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 00:03:05,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 00:03:05,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 00:03:05,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 00:03:05,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 00:03:05,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 00:03:05,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 00:03:05,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 00:03:05,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 00:03:05,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 00:03:05,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 00:03:05,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 00:03:05,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 00:03:05,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 00:03:05,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 00:03:05,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 00:03:05,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 00:03:05,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 00:03:05,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 00:03:05,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 00:03:05,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 00:03:05,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 00:03:05,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 00:03:05,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 00:03:05,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 00:03:05,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 00:03:05,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 00:03:05,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 00:03:05,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 00:03:05,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 00:03:05,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 00:03:05,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 00:03:05,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 00:03:05,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 00:03:05,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-08-28 00:03:05,167 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 00:03:05,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 00:03:05,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 00:03:05,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 00:03:05,171 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 00:03:05,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 00:03:05,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 00:03:05,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 00:03:05,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 00:03:05,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 00:03:05,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 00:03:05,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 00:03:05,173 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 00:03:05,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 00:03:05,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 00:03:05,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 00:03:05,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 00:03:05,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 00:03:05,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 00:03:05,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 00:03:05,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 00:03:05,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 00:03:05,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 00:03:05,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 00:03:05,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 00:03:05,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 00:03:05,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-28 00:03:05,177 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-28 00:03:05,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 00:03:05,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 00:03:05,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 00:03:05,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 00:03:05,695 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 00:03:05,696 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-08-28 00:03:05,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7e9e7df5/59d0893addad44e68f42d03195e0960d/FLAGaddc5674f [2020-08-28 00:03:06,643 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 00:03:06,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-08-28 00:03:06,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7e9e7df5/59d0893addad44e68f42d03195e0960d/FLAGaddc5674f [2020-08-28 00:03:07,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7e9e7df5/59d0893addad44e68f42d03195e0960d [2020-08-28 00:03:07,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 00:03:07,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 00:03:07,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 00:03:07,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 00:03:07,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 00:03:07,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 12:03:07" (1/1) ... [2020-08-28 00:03:07,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41308f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:07, skipping insertion in model container [2020-08-28 00:03:07,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 12:03:07" (1/1) ... [2020-08-28 00:03:07,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 00:03:07,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 00:03:08,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 00:03:08,780 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 00:03:08,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 00:03:09,063 INFO L208 MainTranslator]: Completed translation [2020-08-28 00:03:09,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:09 WrapperNode [2020-08-28 00:03:09,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 00:03:09,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 00:03:09,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 00:03:09,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 00:03:09,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:09" (1/1) ... [2020-08-28 00:03:09,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:09" (1/1) ... [2020-08-28 00:03:09,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:09" (1/1) ... [2020-08-28 00:03:09,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:09" (1/1) ... [2020-08-28 00:03:09,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:09" (1/1) ... [2020-08-28 00:03:09,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:09" (1/1) ... [2020-08-28 00:03:09,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:09" (1/1) ... [2020-08-28 00:03:09,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 00:03:09,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 00:03:09,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 00:03:09,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 00:03:09,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 00:03:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 00:03:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 00:03:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-08-28 00:03:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-08-28 00:03:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-08-28 00:03:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-08-28 00:03:09,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-08-28 00:03:09,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-08-28 00:03:09,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-08-28 00:03:09,350 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-08-28 00:03:09,350 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-08-28 00:03:09,351 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-08-28 00:03:09,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-08-28 00:03:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-08-28 00:03:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-28 00:03:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-08-28 00:03:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-28 00:03:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-28 00:03:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-28 00:03:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-28 00:03:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-28 00:03:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-28 00:03:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-28 00:03:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-08-28 00:03:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-08-28 00:03:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-08-28 00:03:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-08-28 00:03:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-08-28 00:03:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-08-28 00:03:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-08-28 00:03:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-08-28 00:03:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-08-28 00:03:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-08-28 00:03:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-08-28 00:03:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-08-28 00:03:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-08-28 00:03:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-08-28 00:03:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-08-28 00:03:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-08-28 00:03:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-08-28 00:03:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-08-28 00:03:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-08-28 00:03:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 00:03:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-08-28 00:03:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-08-28 00:03:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-08-28 00:03:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-08-28 00:03:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-08-28 00:03:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-08-28 00:03:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-08-28 00:03:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-08-28 00:03:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-08-28 00:03:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-08-28 00:03:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-08-28 00:03:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-08-28 00:03:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-08-28 00:03:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-28 00:03:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-28 00:03:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-28 00:03:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-28 00:03:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-08-28 00:03:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-28 00:03:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-08-28 00:03:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-08-28 00:03:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-08-28 00:03:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-08-28 00:03:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-08-28 00:03:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-28 00:03:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-08-28 00:03:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-08-28 00:03:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-08-28 00:03:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-08-28 00:03:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-08-28 00:03:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-08-28 00:03:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-08-28 00:03:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-08-28 00:03:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-08-28 00:03:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-08-28 00:03:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-08-28 00:03:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-08-28 00:03:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-08-28 00:03:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-08-28 00:03:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-08-28 00:03:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-08-28 00:03:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-08-28 00:03:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-08-28 00:03:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-08-28 00:03:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-28 00:03:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-28 00:03:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 00:03:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-28 00:03:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-08-28 00:03:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-08-28 00:03:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-08-28 00:03:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 00:03:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-08-28 00:03:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-08-28 00:03:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-08-28 00:03:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-08-28 00:03:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-08-28 00:03:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-08-28 00:03:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-08-28 00:03:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-08-28 00:03:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-08-28 00:03:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-28 00:03:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-08-28 00:03:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-08-28 00:03:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-08-28 00:03:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 00:03:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-08-28 00:03:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-08-28 00:03:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-08-28 00:03:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-08-28 00:03:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-08-28 00:03:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 00:03:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-08-28 00:03:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-08-28 00:03:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-08-28 00:03:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-08-28 00:03:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-08-28 00:03:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-08-28 00:03:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-28 00:03:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-28 00:03:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 00:03:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-28 00:03:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-28 00:03:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-28 00:03:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-08-28 00:03:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-28 00:03:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-28 00:03:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-28 00:03:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-28 00:03:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-28 00:03:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-28 00:03:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-28 00:03:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-28 00:03:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-08-28 00:03:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-08-28 00:03:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-08-28 00:03:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-08-28 00:03:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-08-28 00:03:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-08-28 00:03:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-08-28 00:03:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-08-28 00:03:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-08-28 00:03:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-08-28 00:03:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-08-28 00:03:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-08-28 00:03:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-08-28 00:03:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-08-28 00:03:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-08-28 00:03:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-08-28 00:03:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-08-28 00:03:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-08-28 00:03:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-08-28 00:03:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-08-28 00:03:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-08-28 00:03:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-28 00:03:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-08-28 00:03:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-08-28 00:03:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-08-28 00:03:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-08-28 00:03:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-08-28 00:03:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-08-28 00:03:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-08-28 00:03:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-08-28 00:03:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-08-28 00:03:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 00:03:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-08-28 00:03:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-08-28 00:03:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-08-28 00:03:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-08-28 00:03:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-08-28 00:03:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-28 00:03:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-28 00:03:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 00:03:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-08-28 00:03:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-08-28 00:03:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-08-28 00:03:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-08-28 00:03:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-08-28 00:03:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-28 00:03:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-28 00:03:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-28 00:03:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-28 00:03:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-08-28 00:03:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-08-28 00:03:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-08-28 00:03:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-08-28 00:03:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-28 00:03:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-28 00:03:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 00:03:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-28 00:03:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 00:03:10,309 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-28 00:03:11,422 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 00:03:11,423 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-28 00:03:11,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 12:03:11 BoogieIcfgContainer [2020-08-28 00:03:11,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 00:03:11,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 00:03:11,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 00:03:11,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 00:03:11,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 12:03:07" (1/3) ... [2020-08-28 00:03:11,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7420774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 12:03:11, skipping insertion in model container [2020-08-28 00:03:11,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:09" (2/3) ... [2020-08-28 00:03:11,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7420774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 12:03:11, skipping insertion in model container [2020-08-28 00:03:11,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 12:03:11" (3/3) ... [2020-08-28 00:03:11,443 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-08-28 00:03:11,456 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 00:03:11,468 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 00:03:11,492 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 00:03:11,530 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 00:03:11,531 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 00:03:11,531 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 00:03:11,531 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 00:03:11,531 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 00:03:11,531 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 00:03:11,531 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 00:03:11,532 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 00:03:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2020-08-28 00:03:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-28 00:03:11,582 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 00:03:11,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-28 00:03:11,585 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 00:03:11,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 00:03:11,594 INFO L82 PathProgramCache]: Analyzing trace with hash 856791813, now seen corresponding path program 1 times [2020-08-28 00:03:11,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 00:03:11,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454091916] [2020-08-28 00:03:11,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 00:03:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 00:03:11,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 00:03:11,927 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Proof production must be enabled (you can do this via setOption). at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:170) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) 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:317) 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) [2020-08-28 00:03:11,935 INFO L168 Benchmark]: Toolchain (without parser) took 4735.13 ms. Allocated memory was 138.9 MB in the beginning and 271.6 MB in the end (delta: 132.6 MB). Free memory was 94.8 MB in the beginning and 185.9 MB in the end (delta: -91.1 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. [2020-08-28 00:03:11,936 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 00:03:11,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1865.12 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 94.4 MB in the beginning and 102.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. [2020-08-28 00:03:11,938 INFO L168 Benchmark]: Boogie Preprocessor took 165.42 ms. Allocated memory is still 206.6 MB. Free memory was 102.6 MB in the beginning and 95.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2020-08-28 00:03:11,939 INFO L168 Benchmark]: RCFGBuilder took 2201.18 ms. Allocated memory was 206.6 MB in the beginning and 271.6 MB in the end (delta: 65.0 MB). Free memory was 95.8 MB in the beginning and 209.1 MB in the end (delta: -113.3 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. [2020-08-28 00:03:11,940 INFO L168 Benchmark]: TraceAbstraction took 497.43 ms. Allocated memory is still 271.6 MB. Free memory was 209.1 MB in the beginning and 185.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-08-28 00:03:11,944 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1865.12 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 94.4 MB in the beginning and 102.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.42 ms. Allocated memory is still 206.6 MB. Free memory was 102.6 MB in the beginning and 95.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2201.18 ms. Allocated memory was 206.6 MB in the beginning and 271.6 MB in the end (delta: 65.0 MB). Free memory was 95.8 MB in the beginning and 209.1 MB in the end (delta: -113.3 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 497.43 ms. Allocated memory is still 271.6 MB. Free memory was 209.1 MB in the beginning and 185.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Proof production must be enabled (you can do this via setOption). de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Proof production must be enabled (you can do this via setOption).: de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...