/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 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 [2020-08-27 22:52:25,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 22:52:25,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 22:52:25,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 22:52:25,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 22:52:25,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 22:52:25,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 22:52:25,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 22:52:25,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 22:52:25,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 22:52:25,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 22:52:25,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 22:52:25,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 22:52:25,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 22:52:25,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 22:52:25,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 22:52:25,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 22:52:25,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 22:52:25,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 22:52:25,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 22:52:25,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 22:52:25,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 22:52:25,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 22:52:25,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 22:52:25,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-27 22:52:25,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-27 22:52:25,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-27 22:52:25,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-27 22:52:25,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-27 22:52:25,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-27 22:52:25,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-27 22:52:25,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-27 22:52:25,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-27 22:52:25,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-27 22:52:25,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-27 22:52:25,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-27 22:52:25,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-27 22:52:25,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-27 22:52:25,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 22:52:25,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 22:52:25,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 22:52:25,658 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 [2020-08-27 22:52:25,685 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 22:52:25,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 22:52:25,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 22:52:25,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 22:52:25,687 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 22:52:25,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 22:52:25,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 22:52:25,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 22:52:25,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 22:52:25,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 22:52:25,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 22:52:25,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 22:52:25,691 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 22:52:25,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 22:52:25,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 22:52:25,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 22:52:25,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 22:52:25,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 22:52:25,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 22:52:25,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 22:52:25,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 22:52:25,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 22:52:25,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 22:52:25,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 22:52:25,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 22:52:25,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 22:52:25,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-27 22:52:25,699 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 -> log-additional-information=true; [2020-08-27 22:52:26,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 22:52:26,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 22:52:26,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 22:52:26,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 22:52:26,177 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 22:52:26,178 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-08-27 22:52:26,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3805e76e5/fe2db69adb3941108f08932a4bf485c2/FLAG0fd1898bb [2020-08-27 22:52:27,042 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 22:52:27,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-08-27 22:52:27,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3805e76e5/fe2db69adb3941108f08932a4bf485c2/FLAG0fd1898bb [2020-08-27 22:52:27,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3805e76e5/fe2db69adb3941108f08932a4bf485c2 [2020-08-27 22:52:27,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 22:52:27,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 22:52:27,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 22:52:27,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 22:52:27,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 22:52:27,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 10:52:27" (1/1) ... [2020-08-27 22:52:27,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dbafe48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:27, skipping insertion in model container [2020-08-27 22:52:27,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 10:52:27" (1/1) ... [2020-08-27 22:52:27,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 22:52:27,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 22:52:28,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 22:52:28,606 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 22:52:28,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 22:52:28,857 INFO L208 MainTranslator]: Completed translation [2020-08-27 22:52:28,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:28 WrapperNode [2020-08-27 22:52:28,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 22:52:28,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 22:52:28,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 22:52:28,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 22:52:28,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:28" (1/1) ... [2020-08-27 22:52:28,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:28" (1/1) ... [2020-08-27 22:52:28,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:28" (1/1) ... [2020-08-27 22:52:28,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:28" (1/1) ... [2020-08-27 22:52:28,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:28" (1/1) ... [2020-08-27 22:52:29,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:28" (1/1) ... [2020-08-27 22:52:29,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:28" (1/1) ... [2020-08-27 22:52:29,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 22:52:29,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 22:52:29,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 22:52:29,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 22:52:29,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:28" (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 [2020-08-27 22:52:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 22:52:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 22:52:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-08-27 22:52:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-08-27 22:52:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-08-27 22:52:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-08-27 22:52:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-08-27 22:52:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-08-27 22:52:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-08-27 22:52:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-08-27 22:52:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-08-27 22:52:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-08-27 22:52:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-08-27 22:52:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-08-27 22:52:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-27 22:52:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-08-27 22:52:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-27 22:52:29,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-27 22:52:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-27 22:52:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-27 22:52:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-27 22:52:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-27 22:52:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-27 22:52:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-08-27 22:52:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-08-27 22:52:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-08-27 22:52:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-08-27 22:52:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-08-27 22:52:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-08-27 22:52:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-08-27 22:52:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-08-27 22:52:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-08-27 22:52:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-08-27 22:52:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-08-27 22:52:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-08-27 22:52:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-08-27 22:52:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-08-27 22:52:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-08-27 22:52:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-08-27 22:52:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-08-27 22:52:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-08-27 22:52:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-08-27 22:52:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 22:52:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-08-27 22:52:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-08-27 22:52:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-08-27 22:52:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-08-27 22:52:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-08-27 22:52:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-08-27 22:52:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-08-27 22:52:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-08-27 22:52:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-08-27 22:52:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-08-27 22:52:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-08-27 22:52:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-08-27 22:52:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-08-27 22:52:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-27 22:52:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-27 22:52:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-27 22:52:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-27 22:52:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-08-27 22:52:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-27 22:52:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-08-27 22:52:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-08-27 22:52:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-08-27 22:52:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-08-27 22:52:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-08-27 22:52:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-27 22:52:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-08-27 22:52:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-08-27 22:52:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-08-27 22:52:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-08-27 22:52:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-08-27 22:52:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-08-27 22:52:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-08-27 22:52:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-08-27 22:52:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-08-27 22:52:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-08-27 22:52:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-08-27 22:52:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-08-27 22:52:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-08-27 22:52:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-08-27 22:52:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-08-27 22:52:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-08-27 22:52:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-08-27 22:52:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-08-27 22:52:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-08-27 22:52:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-27 22:52:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-27 22:52:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 22:52:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-27 22:52:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-08-27 22:52:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-08-27 22:52:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-08-27 22:52:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-27 22:52:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-08-27 22:52:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-08-27 22:52:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-08-27 22:52:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-08-27 22:52:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-08-27 22:52:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-08-27 22:52:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-08-27 22:52:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-08-27 22:52:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-08-27 22:52:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-27 22:52:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-08-27 22:52:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-08-27 22:52:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-08-27 22:52:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-27 22:52:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-08-27 22:52:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-08-27 22:52:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-08-27 22:52:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-08-27 22:52:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-08-27 22:52:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-27 22:52:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-08-27 22:52:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-08-27 22:52:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-08-27 22:52:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-08-27 22:52:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-08-27 22:52:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-08-27 22:52:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-27 22:52:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-27 22:52:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 22:52:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-27 22:52:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-27 22:52:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-27 22:52:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-08-27 22:52:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-27 22:52:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-27 22:52:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-27 22:52:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-27 22:52:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-27 22:52:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-27 22:52:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-27 22:52:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-27 22:52:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-08-27 22:52:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-08-27 22:52:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-08-27 22:52:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-08-27 22:52:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-08-27 22:52:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-08-27 22:52:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-08-27 22:52:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-08-27 22:52:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-08-27 22:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-08-27 22:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-08-27 22:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-08-27 22:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-08-27 22:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-08-27 22:52:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-08-27 22:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-08-27 22:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-08-27 22:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-08-27 22:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-08-27 22:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-08-27 22:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-08-27 22:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-27 22:52:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-08-27 22:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-08-27 22:52:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-08-27 22:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-08-27 22:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-08-27 22:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-08-27 22:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-08-27 22:52:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-08-27 22:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-08-27 22:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-27 22:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-08-27 22:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-08-27 22:52:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-08-27 22:52:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-08-27 22:52:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-08-27 22:52:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-27 22:52:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-27 22:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 22:52:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-08-27 22:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-08-27 22:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-08-27 22:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-08-27 22:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-08-27 22:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-27 22:52:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-27 22:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-27 22:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-27 22:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-08-27 22:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-08-27 22:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-08-27 22:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-08-27 22:52:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-27 22:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-27 22:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 22:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-27 22:52:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 22:52:30,023 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-27 22:52:30,903 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 22:52:30,907 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-27 22:52:30,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:52:30 BoogieIcfgContainer [2020-08-27 22:52:30,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 22:52:30,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 22:52:30,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 22:52:30,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 22:52:30,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 10:52:27" (1/3) ... [2020-08-27 22:52:30,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b00b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 10:52:30, skipping insertion in model container [2020-08-27 22:52:30,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:52:28" (2/3) ... [2020-08-27 22:52:30,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b00b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 10:52:30, skipping insertion in model container [2020-08-27 22:52:30,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:52:30" (3/3) ... [2020-08-27 22:52:30,924 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 [2020-08-27 22:52:30,936 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 22:52:30,947 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 22:52:30,969 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 22:52:31,003 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 22:52:31,003 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 22:52:31,003 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 22:52:31,003 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 22:52:31,003 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 22:52:31,003 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 22:52:31,004 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 22:52:31,004 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 22:52:31,035 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2020-08-27 22:52:31,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-27 22:52:31,048 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 22:52:31,050 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] [2020-08-27 22:52:31,050 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 22:52:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 22:52:31,058 INFO L82 PathProgramCache]: Analyzing trace with hash 856791813, now seen corresponding path program 1 times [2020-08-27 22:52:31,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 22:52:31,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501764377] [2020-08-27 22:52:31,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 22:52:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 22:52:31,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 22:52:31,394 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) [2020-08-27 22:52:31,402 INFO L168 Benchmark]: Toolchain (without parser) took 4256.48 ms. Allocated memory was 141.6 MB in the beginning and 261.6 MB in the end (delta: 120.1 MB). Free memory was 95.7 MB in the beginning and 171.7 MB in the end (delta: -76.1 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2020-08-27 22:52:31,403 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 122.0 MB in the beginning and 121.5 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. [2020-08-27 22:52:31,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1712.74 ms. Allocated memory was 141.6 MB in the beginning and 210.2 MB in the end (delta: 68.7 MB). Free memory was 95.7 MB in the beginning and 103.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. [2020-08-27 22:52:31,405 INFO L168 Benchmark]: Boogie Preprocessor took 172.71 ms. Allocated memory is still 210.2 MB. Free memory was 103.9 MB in the beginning and 96.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2020-08-27 22:52:31,406 INFO L168 Benchmark]: RCFGBuilder took 1883.83 ms. Allocated memory was 210.2 MB in the beginning and 261.6 MB in the end (delta: 51.4 MB). Free memory was 96.6 MB in the beginning and 196.2 MB in the end (delta: -99.6 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2020-08-27 22:52:31,407 INFO L168 Benchmark]: TraceAbstraction took 481.44 ms. Allocated memory is still 261.6 MB. Free memory was 196.2 MB in the beginning and 171.7 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-08-27 22:52:31,411 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 122.0 MB in the beginning and 121.5 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1712.74 ms. Allocated memory was 141.6 MB in the beginning and 210.2 MB in the end (delta: 68.7 MB). Free memory was 95.7 MB in the beginning and 103.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 172.71 ms. Allocated memory is still 210.2 MB. Free memory was 103.9 MB in the beginning and 96.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1883.83 ms. Allocated memory was 210.2 MB in the beginning and 261.6 MB in the end (delta: 51.4 MB). Free memory was 96.6 MB in the beginning and 196.2 MB in the end (delta: -99.6 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 481.44 ms. Allocated memory is still 261.6 MB. Free memory was 196.2 MB in the beginning and 171.7 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 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...