/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:34:00,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:34:00,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:34:00,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:34:00,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:34:00,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:34:00,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:34:00,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:34:00,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:34:00,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:34:00,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:34:00,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:34:00,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:34:00,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:34:00,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:34:00,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:34:00,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:34:00,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:34:00,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:34:00,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:34:00,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:34:00,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:34:00,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:34:00,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:34:00,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:34:00,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:34:00,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:34:00,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:34:00,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:34:00,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:34:00,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:34:00,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:34:00,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:34:00,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:34:00,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:34:00,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:34:00,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:34:00,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:34:00,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:34:00,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:34:00,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:34:00,679 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 [2020-09-25 00:34:00,720 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:34:00,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:34:00,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:34:00,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:34:00,722 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:34:00,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:34:00,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:34:00,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:34:00,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:34:00,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:34:00,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:34:00,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:34:00,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:34:00,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:34:00,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:34:00,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:34:00,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:34:00,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:34:00,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:34:00,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:34:00,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:34:00,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:34:00,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:34:00,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:34:00,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:34:00,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:34:00,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 00:34:00,727 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.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-09-25 00:34:01,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:34:01,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:34:01,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:34:01,207 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:34:01,207 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:34:01,208 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 00:34:01,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88a55c15e/70ee55043a1f4441bd7623e7310734e8/FLAG23bf12c41 [2020-09-25 00:34:02,104 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:34:02,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 00:34:02,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88a55c15e/70ee55043a1f4441bd7623e7310734e8/FLAG23bf12c41 [2020-09-25 00:34:02,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88a55c15e/70ee55043a1f4441bd7623e7310734e8 [2020-09-25 00:34:02,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:34:02,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:34:02,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:34:02,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:34:02,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:34:02,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:34:02" (1/1) ... [2020-09-25 00:34:02,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e08502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:02, skipping insertion in model container [2020-09-25 00:34:02,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:34:02" (1/1) ... [2020-09-25 00:34:02,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:34:02,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:34:03,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:34:03,943 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:34:04,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:34:04,246 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:34:04,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04 WrapperNode [2020-09-25 00:34:04,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:34:04,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:34:04,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:34:04,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:34:04,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 00:34:04,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 00:34:04,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 00:34:04,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 00:34:04,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 00:34:04,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 00:34:04,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 00:34:04,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:34:04,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:34:04,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:34:04,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:34:04,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (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 [2020-09-25 00:34:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:34:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:34:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-09-25 00:34:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-09-25 00:34:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-09-25 00:34:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-09-25 00:34:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-09-25 00:34:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-09-25 00:34:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 00:34:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 00:34:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 00:34:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 00:34:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-09-25 00:34:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-09-25 00:34:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-09-25 00:34:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 00:34:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-09-25 00:34:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 00:34:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 00:34:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 00:34:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 00:34:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 00:34:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 00:34:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 00:34:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 00:34:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 00:34:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 00:34:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-09-25 00:34:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-09-25 00:34:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-09-25 00:34:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-09-25 00:34:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-09-25 00:34:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 00:34:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-09-25 00:34:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-09-25 00:34:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-09-25 00:34:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-09-25 00:34:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-09-25 00:34:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-09-25 00:34:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-09-25 00:34:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-09-25 00:34:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-09-25 00:34:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-09-25 00:34:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-09-25 00:34:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:34:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 00:34:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 00:34:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 00:34:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 00:34:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 00:34:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-09-25 00:34:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-09-25 00:34:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 00:34:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 00:34:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 00:34:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 00:34:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 00:34:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 00:34:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 00:34:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 00:34:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 00:34:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 00:34:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 00:34:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 00:34:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 00:34:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 00:34:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 00:34:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 00:34:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 00:34:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 00:34:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-09-25 00:34:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-09-25 00:34:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 00:34:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-09-25 00:34:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-09-25 00:34:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 00:34:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-09-25 00:34:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 00:34:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 00:34:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 00:34:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-09-25 00:34:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 00:34:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 00:34:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-09-25 00:34:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 00:34:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 00:34:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 00:34:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-09-25 00:34:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-09-25 00:34:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-09-25 00:34:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-09-25 00:34:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-09-25 00:34:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-09-25 00:34:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-09-25 00:34:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 00:34:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 00:34:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 00:34:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-09-25 00:34:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:34:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 00:34:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-09-25 00:34:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-09-25 00:34:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-09-25 00:34:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:34:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-09-25 00:34:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-09-25 00:34:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-09-25 00:34:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-09-25 00:34:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 00:34:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-09-25 00:34:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 00:34:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 00:34:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:34:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 00:34:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 00:34:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 00:34:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 00:34:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 00:34:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 00:34:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-09-25 00:34:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 00:34:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:34:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 00:34:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-09-25 00:34:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-09-25 00:34:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:34:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-09-25 00:34:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 00:34:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 00:34:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 00:34:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 00:34:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-09-25 00:34:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-09-25 00:34:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 00:34:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:34:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 00:34:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:34:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 00:34:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 00:34:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 00:34:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 00:34:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:34:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 00:34:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 00:34:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 00:34:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 00:34:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 00:34:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 00:34:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 00:34:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-09-25 00:34:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-09-25 00:34:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 00:34:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 00:34:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-09-25 00:34:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-09-25 00:34:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-09-25 00:34:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-09-25 00:34:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-09-25 00:34:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-09-25 00:34:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 00:34:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-09-25 00:34:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 00:34:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-09-25 00:34:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 00:34:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-09-25 00:34:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-09-25 00:34:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 00:34:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 00:34:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 00:34:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-09-25 00:34:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-09-25 00:34:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-09-25 00:34:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-09-25 00:34:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-09-25 00:34:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-09-25 00:34:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-09-25 00:34:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-09-25 00:34:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-09-25 00:34:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-09-25 00:34:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-09-25 00:34:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:34:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-09-25 00:34:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-09-25 00:34:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-09-25 00:34:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-09-25 00:34:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:34:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-09-25 00:34:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-09-25 00:34:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-09-25 00:34:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 00:34:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 00:34:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 00:34:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:34:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 00:34:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 00:34:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 00:34:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 00:34:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 00:34:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 00:34:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 00:34:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 00:34:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 00:34:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 00:34:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 00:34:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 00:34:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 00:34:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 00:34:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 00:34:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 00:34:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:34:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 00:34:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:34:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 00:34:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:34:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 00:34:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:34:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 00:34:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 00:34:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 00:34:05,303 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 00:34:06,770 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:34:06,771 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 00:34:06,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:34:06 BoogieIcfgContainer [2020-09-25 00:34:06,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:34:06,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:34:06,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:34:06,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:34:06,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:34:02" (1/3) ... [2020-09-25 00:34:06,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6624085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:34:06, skipping insertion in model container [2020-09-25 00:34:06,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (2/3) ... [2020-09-25 00:34:06,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6624085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:34:06, skipping insertion in model container [2020-09-25 00:34:06,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:34:06" (3/3) ... [2020-09-25 00:34:06,796 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 00:34:06,808 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:34:06,820 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:34:06,844 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:34:06,887 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:34:06,887 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:34:06,888 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:34:06,888 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:34:06,888 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:34:06,888 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:34:06,927 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:34:06,927 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:34:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states. [2020-09-25 00:34:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 00:34:07,002 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:34:07,004 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:34:07,004 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:34:07,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:34:07,013 INFO L82 PathProgramCache]: Analyzing trace with hash -410682460, now seen corresponding path program 1 times [2020-09-25 00:34:07,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:34:07,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226215775] [2020-09-25 00:34:07,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:34:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:07,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:08,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:08,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:11,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:12,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:12,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 00:34:12,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:34:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 00:34:12,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:12,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:34:12,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 00:34:12,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 00:34:12,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:34:13,373 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 00:34:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:13,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:13,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:13,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 00:34:13,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:13,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-09-25 00:34:13,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:13,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:13,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:13,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:13,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:34:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:13,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:13,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:13,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:13,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:13,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 00:34:13,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:13,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:13,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 00:34:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:13,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:13,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:13,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:13,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:13,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 00:34:13,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:13,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:14,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 00:34:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:14,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:14,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:14,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:34:14,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:14,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 00:34:14,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:14,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:14,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:14,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:34:14,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:14,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:14,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:14,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:14,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:34:14,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:14,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 00:34:14,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:34:14,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:14,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 00:34:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:14,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:14,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:14,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:14,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:14,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:34:14,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-09-25 00:34:14,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:14,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:34:14,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 00:34:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:14,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:14,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:14,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:14,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:14,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:34:14,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-09-25 00:34:14,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:14,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:14,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 00:34:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:14,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:14,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:14,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:34:14,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:14,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 00:34:14,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:14,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:14,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:14,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 00:34:14,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:14,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:14,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:14,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:14,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:34:14,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:14,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 00:34:14,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:14,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:14,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:14,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:34:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:14,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:14,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:14,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:34:14,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:14,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 00:34:14,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:14,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:14,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:14,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:14,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:14,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 00:34:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:14,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:14,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:14,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:14,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:14,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 00:34:14,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:34:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:14,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 00:34:15,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226215775] [2020-09-25 00:34:15,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:34:15,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 00:34:15,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699870562] [2020-09-25 00:34:15,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 00:34:15,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:34:15,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 00:34:15,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:34:15,135 INFO L87 Difference]: Start difference. First operand 1198 states. Second operand 11 states. [2020-09-25 00:34:16,455 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 00:34:19,555 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-09-25 00:34:19,964 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 00:34:20,487 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-25 00:34:20,878 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 00:34:30,184 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 00:34:30,715 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 00:34:36,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:34:36,755 INFO L93 Difference]: Finished difference Result 3962 states and 4685 transitions. [2020-09-25 00:34:36,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 00:34:36,761 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 230 [2020-09-25 00:34:36,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:34:36,806 INFO L225 Difference]: With dead ends: 3962 [2020-09-25 00:34:36,807 INFO L226 Difference]: Without dead ends: 2881 [2020-09-25 00:34:36,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2020-09-25 00:34:36,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2881 states. [2020-09-25 00:34:37,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2881 to 2216. [2020-09-25 00:34:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-09-25 00:34:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2469 transitions. [2020-09-25 00:34:37,136 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2469 transitions. Word has length 230 [2020-09-25 00:34:37,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:34:37,138 INFO L479 AbstractCegarLoop]: Abstraction has 2216 states and 2469 transitions. [2020-09-25 00:34:37,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 00:34:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2469 transitions. [2020-09-25 00:34:37,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-09-25 00:34:37,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:34:37,160 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:34:37,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:34:37,161 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:34:37,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:34:37,161 INFO L82 PathProgramCache]: Analyzing trace with hash 306965196, now seen corresponding path program 1 times [2020-09-25 00:34:37,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:34:37,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723267838] [2020-09-25 00:34:37,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:34:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:37,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:37,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:38,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:38,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:40,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:42,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:42,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 532 [2020-09-25 00:34:42,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:34:42,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 00:34:42,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:34:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-25 00:34:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:34:42,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:42,784 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 00:34:42,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:42,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:42,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:42,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 00:34:42,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:42,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-09-25 00:34:42,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:43,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:34:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:43,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:43,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:43,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:43,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:43,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 00:34:43,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:43,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:43,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 00:34:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:43,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:43,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:43,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:43,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:43,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 00:34:43,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:43,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:43,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:43,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:43,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:43,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 00:34:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:43,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:43,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:43,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:34:43,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:43,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 00:34:43,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:43,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:43,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:43,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:43,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:43,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:43,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:43,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:34:43,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:43,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 00:34:43,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:43,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:43,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:43,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:43,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:43,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 00:34:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:43,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:43,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:43,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:43,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:43,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 00:34:43,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:34:43,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 00:34:43,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:43,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:43,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 00:34:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:43,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:43,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:43,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:43,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:43,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:34:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 00:34:43,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:43,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:34:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 00:34:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:43,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 00:34:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:43,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:43,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:45,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:46,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:46,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-25 00:34:46,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:34:46,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3045 [2020-09-25 00:34:46,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 00:34:46,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-25 00:34:46,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 00:34:46,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:46,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 00:34:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:46,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:46,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:46,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:34:46,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:46,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 00:34:46,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:46,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:34:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:46,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:46,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:46,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:34:46,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:46,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 00:34:46,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:46,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 00:34:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:46,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:46,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:46,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 00:34:46,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 00:34:46,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:46,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:46,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:34:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:46,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:46,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:46,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:46,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:46,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 00:34:46,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:46,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-25 00:34:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:47,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:47,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:47,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 00:34:47,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:47,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-25 00:34:47,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:34:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 00:34:47,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:47,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:34:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:47,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:47,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:47,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:47,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:47,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 00:34:47,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:34:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 00:34:47,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:47,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:34:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:47,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:47,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:47,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:34:47,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:47,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 00:34:47,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:34:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:34:47,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:47,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:34:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:47,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:47,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:47,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:47,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:47,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:34:47,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:47,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:47,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 00:34:47,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:47,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:47,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-25 00:34:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:47,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:47,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:47,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 00:34:47,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:47,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 00:34:47,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:47,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:47,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 00:34:47,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:47,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:47,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:34:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:47,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:47,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:47,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:47,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:47,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 00:34:47,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:47,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 00:34:47,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:34:47,699 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java: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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 33 more [2020-09-25 00:34:47,705 INFO L168 Benchmark]: Toolchain (without parser) took 45497.13 ms. Allocated memory was 140.0 MB in the beginning and 850.4 MB in the end (delta: 710.4 MB). Free memory was 95.4 MB in the beginning and 663.9 MB in the end (delta: -568.4 MB). Peak memory consumption was 142.0 MB. Max. memory is 7.1 GB. [2020-09-25 00:34:47,707 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 00:34:47,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2034.84 ms. Allocated memory was 140.0 MB in the beginning and 209.2 MB in the end (delta: 69.2 MB). Free memory was 94.8 MB in the beginning and 94.5 MB in the end (delta: 326.8 kB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. [2020-09-25 00:34:47,714 INFO L168 Benchmark]: Boogie Preprocessor took 202.55 ms. Allocated memory was 209.2 MB in the beginning and 242.7 MB in the end (delta: 33.6 MB). Free memory was 94.5 MB in the beginning and 190.1 MB in the end (delta: -95.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-09-25 00:34:47,715 INFO L168 Benchmark]: RCFGBuilder took 2334.10 ms. Allocated memory was 242.7 MB in the beginning and 262.1 MB in the end (delta: 19.4 MB). Free memory was 190.1 MB in the beginning and 85.1 MB in the end (delta: 104.9 MB). Peak memory consumption was 125.6 MB. Max. memory is 7.1 GB. [2020-09-25 00:34:47,716 INFO L168 Benchmark]: TraceAbstraction took 40915.71 ms. Allocated memory was 262.1 MB in the beginning and 850.4 MB in the end (delta: 588.3 MB). Free memory was 85.1 MB in the beginning and 663.9 MB in the end (delta: -578.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-09-25 00:34:47,730 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 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2034.84 ms. Allocated memory was 140.0 MB in the beginning and 209.2 MB in the end (delta: 69.2 MB). Free memory was 94.8 MB in the beginning and 94.5 MB in the end (delta: 326.8 kB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 202.55 ms. Allocated memory was 209.2 MB in the beginning and 242.7 MB in the end (delta: 33.6 MB). Free memory was 94.5 MB in the beginning and 190.1 MB in the end (delta: -95.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2334.10 ms. Allocated memory was 242.7 MB in the beginning and 262.1 MB in the end (delta: 19.4 MB). Free memory was 190.1 MB in the beginning and 85.1 MB in the end (delta: 104.9 MB). Peak memory consumption was 125.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40915.71 ms. Allocated memory was 262.1 MB in the beginning and 850.4 MB in the end (delta: 588.3 MB). Free memory was 85.1 MB in the beginning and 663.9 MB in the end (delta: -578.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...