/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 SequenceOfStatements --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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=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-adbd35c [2020-10-14 13:51:29,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 13:51:29,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 13:51:29,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 13:51:29,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 13:51:29,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 13:51:29,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 13:51:29,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 13:51:29,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 13:51:29,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 13:51:29,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 13:51:29,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 13:51:29,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 13:51:29,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 13:51:29,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 13:51:29,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 13:51:29,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 13:51:29,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 13:51:29,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 13:51:29,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 13:51:29,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 13:51:29,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 13:51:29,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 13:51:29,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 13:51:29,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 13:51:29,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 13:51:29,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 13:51:29,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 13:51:29,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 13:51:29,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 13:51:29,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 13:51:29,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 13:51:29,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 13:51:29,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 13:51:29,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 13:51:29,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 13:51:29,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 13:51:29,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 13:51:29,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 13:51:29,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 13:51:29,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 13:51:29,862 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 [2020-10-14 13:51:29,899 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 13:51:29,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 13:51:29,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 13:51:29,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 13:51:29,901 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 13:51:29,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 13:51:29,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 13:51:29,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 13:51:29,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 13:51:29,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 13:51:29,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 13:51:29,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 13:51:29,904 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 13:51:29,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 13:51:29,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 13:51:29,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 13:51:29,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 13:51:29,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 13:51:29,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 13:51:29,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 13:51:29,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 13:51:29,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 13:51:29,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 13:51:29,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 13:51:29,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 13:51:29,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 13:51:29,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 13:51:29,907 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 -> SequenceOfStatements 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 13:51:30,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 13:51:30,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 13:51:30,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 13:51:30,234 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 13:51:30,234 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 13:51:30,235 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-14 13:51:30,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f2ed57fd/4f948466746e48f6ac950869a571e00e/FLAGcf1b4b507 [2020-10-14 13:51:31,117 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 13:51:31,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-14 13:51:31,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f2ed57fd/4f948466746e48f6ac950869a571e00e/FLAGcf1b4b507 [2020-10-14 13:51:31,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f2ed57fd/4f948466746e48f6ac950869a571e00e [2020-10-14 13:51:31,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 13:51:31,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 13:51:31,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 13:51:31,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 13:51:31,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 13:51:31,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:51:31" (1/1) ... [2020-10-14 13:51:31,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0fc7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:31, skipping insertion in model container [2020-10-14 13:51:31,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:51:31" (1/1) ... [2020-10-14 13:51:31,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 13:51:31,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 13:51:32,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 13:51:32,569 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 13:51:32,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 13:51:32,961 INFO L208 MainTranslator]: Completed translation [2020-10-14 13:51:32,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:32 WrapperNode [2020-10-14 13:51:32,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 13:51:32,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 13:51:32,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 13:51:32,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 13:51:32,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:32" (1/1) ... [2020-10-14 13:51:32,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:32" (1/1) ... [2020-10-14 13:51:33,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:32" (1/1) ... [2020-10-14 13:51:33,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:32" (1/1) ... [2020-10-14 13:51:33,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:32" (1/1) ... [2020-10-14 13:51:33,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:32" (1/1) ... [2020-10-14 13:51:33,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:32" (1/1) ... [2020-10-14 13:51:33,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 13:51:33,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 13:51:33,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 13:51:33,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 13:51:33,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:32" (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 [2020-10-14 13:51:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 13:51:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 13:51:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-14 13:51:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-14 13:51:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-10-14 13:51:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-10-14 13:51:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-14 13:51:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-10-14 13:51:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-14 13:51:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 13:51:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-14 13:51:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-14 13:51:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-14 13:51:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-14 13:51:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-10-14 13:51:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-14 13:51:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-14 13:51:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 13:51:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 13:51:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 13:51:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 13:51:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 13:51:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 13:51:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 13:51:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 13:51:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 13:51:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-14 13:51:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-10-14 13:51:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-10-14 13:51:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-10-14 13:51:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-10-14 13:51:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-10-14 13:51:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-14 13:51:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-14 13:51:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-10-14 13:51:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-10-14 13:51:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-10-14 13:51:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-10-14 13:51:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-10-14 13:51:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-10-14 13:51:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-10-14 13:51:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-10-14 13:51:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-14 13:51:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-14 13:51:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 13:51:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-14 13:51:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-14 13:51:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-14 13:51:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-14 13:51:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-14 13:51:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-10-14 13:51:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-10-14 13:51:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-14 13:51:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-14 13:51:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-14 13:51:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-14 13:51:33,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-14 13:51:33,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 13:51:33,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-14 13:51:33,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-14 13:51:33,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-14 13:51:33,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-14 13:51:33,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 13:51:33,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-14 13:51:33,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-14 13:51:33,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-14 13:51:33,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-14 13:51:33,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-14 13:51:33,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 13:51:33,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-14 13:51:33,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-14 13:51:33,346 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-14 13:51:33,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-10-14 13:51:33,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-14 13:51:33,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-14 13:51:33,347 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-14 13:51:33,347 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-14 13:51:33,347 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-14 13:51:33,347 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-14 13:51:33,347 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-14 13:51:33,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-14 13:51:33,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-14 13:51:33,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 13:51:33,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-10-14 13:51:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-14 13:51:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 13:51:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-14 13:51:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-10-14 13:51:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-14 13:51:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-10-14 13:51:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-14 13:51:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-14 13:51:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-14 13:51:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-14 13:51:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 13:51:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 13:51:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 13:51:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-14 13:51:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 13:51:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 13:51:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-14 13:51:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-14 13:51:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-10-14 13:51:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 13:51:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-10-14 13:51:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-14 13:51:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-10-14 13:51:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-14 13:51:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 13:51:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-14 13:51:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-14 13:51:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 13:51:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 13:51:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-14 13:51:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-14 13:51:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-14 13:51:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-14 13:51:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-14 13:51:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-14 13:51:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-14 13:51:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-14 13:51:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 13:51:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-14 13:51:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-14 13:51:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-14 13:51:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 13:51:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-10-14 13:51:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-14 13:51:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-14 13:51:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-14 13:51:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-14 13:51:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-14 13:51:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-14 13:51:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-14 13:51:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 13:51:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 13:51:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 13:51:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 13:51:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 13:51:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 13:51:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 13:51:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 13:51:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 13:51:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 13:51:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 13:51:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 13:51:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 13:51:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 13:51:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 13:51:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-14 13:51:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-14 13:51:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-14 13:51:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-14 13:51:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-14 13:51:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-10-14 13:51:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-10-14 13:51:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-10-14 13:51:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-10-14 13:51:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-10-14 13:51:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-14 13:51:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-10-14 13:51:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 13:51:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-10-14 13:51:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 13:51:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-10-14 13:51:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-14 13:51:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-14 13:51:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-14 13:51:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-14 13:51:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-14 13:51:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-10-14 13:51:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-14 13:51:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-14 13:51:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-14 13:51:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-14 13:51:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-10-14 13:51:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-10-14 13:51:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-14 13:51:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-10-14 13:51:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-10-14 13:51:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 13:51:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-10-14 13:51:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-10-14 13:51:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-14 13:51:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-10-14 13:51:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 13:51:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-10-14 13:51:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-10-14 13:51:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-14 13:51:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-10-14 13:51:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 13:51:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 13:51:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 13:51:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 13:51:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-14 13:51:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-14 13:51:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-14 13:51:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-14 13:51:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-14 13:51:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 13:51:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-14 13:51:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-14 13:51:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-14 13:51:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-14 13:51:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-14 13:51:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-14 13:51:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-14 13:51:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-14 13:51:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 13:51:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 13:51:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 13:51:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 13:51:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 13:51:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 13:51:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 13:51:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 13:51:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 13:51:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 13:51:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 13:51:34,050 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 13:51:35,787 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 13:51:35,788 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 13:51:35,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:51:35 BoogieIcfgContainer [2020-10-14 13:51:35,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 13:51:35,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 13:51:35,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 13:51:35,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 13:51:35,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 01:51:31" (1/3) ... [2020-10-14 13:51:35,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282c696b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:51:35, skipping insertion in model container [2020-10-14 13:51:35,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:32" (2/3) ... [2020-10-14 13:51:35,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282c696b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:51:35, skipping insertion in model container [2020-10-14 13:51:35,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:51:35" (3/3) ... [2020-10-14 13:51:35,803 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 [2020-10-14 13:51:35,813 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 13:51:35,821 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 13:51:35,835 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 13:51:35,861 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 13:51:35,861 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 13:51:35,861 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 13:51:35,861 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 13:51:35,861 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 13:51:35,861 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 13:51:35,862 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 13:51:35,862 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 13:51:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states. [2020-10-14 13:51:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-14 13:51:35,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:51:35,905 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 13:51:35,905 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:51:35,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:51:35,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1715961346, now seen corresponding path program 1 times [2020-10-14 13:51:35,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:51:35,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241344574] [2020-10-14 13:51:35,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:51:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:36,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:36,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:36,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:38,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:41,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:41,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 13:51:41,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 13:51:41,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-14 13:51:41,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:41,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:41,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:51:41,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 13:51:41,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 13:51:41,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 13:51:41,775 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-14 13:51:41,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:51:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:41,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:41,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:41,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:41,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:41,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 13:51:41,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:41,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:41,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:51:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:41,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:41,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:41,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:41,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:41,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 13:51:41,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:41,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:41,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 13:51:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:41,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:41,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:41,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:41,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:41,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 13:51:41,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:41,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:41,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:41,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:51:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:42,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:42,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:42,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:51:42,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:42,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:51:42,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:42,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:42,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:42,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:42,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:51:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:42,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:42,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:42,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:42,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:42,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:51:42,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:42,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:42,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 13:51:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:42,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:42,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:42,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:42,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:42,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:51:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 13:51:42,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:42,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:42,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:42,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 13:51:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:42,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:42,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:42,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:42,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:42,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:51:42,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 13:51:42,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:42,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:42,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:42,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:42,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 13:51:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:42,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:42,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:42,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 13:51:42,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:42,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:51:42,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:42,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 13:51:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:42,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:42,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:51:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:42,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:42,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:42,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 13:51:42,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:42,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:51:42,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:42,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:42,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:42,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:42,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:42,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:42,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:42,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:42,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:42,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:42,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:42,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:51:42,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:42,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:42,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 13:51:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:42,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:42,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:42,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:42,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:42,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:51:42,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:42,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:42,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:42,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:51:42,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:42,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 13:51:42,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241344574] [2020-10-14 13:51:42,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:51:42,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 13:51:42,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176161309] [2020-10-14 13:51:42,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 13:51:42,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:51:42,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 13:51:42,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 13:51:42,248 INFO L87 Difference]: Start difference. First operand 545 states. Second operand 8 states. [2020-10-14 13:51:45,864 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-14 13:51:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:51:54,567 INFO L93 Difference]: Finished difference Result 1985 states and 2806 transitions. [2020-10-14 13:51:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 13:51:54,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-10-14 13:51:54,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:51:54,599 INFO L225 Difference]: With dead ends: 1985 [2020-10-14 13:51:54,599 INFO L226 Difference]: Without dead ends: 1458 [2020-10-14 13:51:54,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-10-14 13:51:54,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2020-10-14 13:51:54,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 904. [2020-10-14 13:51:54,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2020-10-14 13:51:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1106 transitions. [2020-10-14 13:51:54,875 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1106 transitions. Word has length 66 [2020-10-14 13:51:54,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:51:54,876 INFO L479 AbstractCegarLoop]: Abstraction has 904 states and 1106 transitions. [2020-10-14 13:51:54,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 13:51:54,876 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1106 transitions. [2020-10-14 13:51:54,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-14 13:51:54,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:51:54,884 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:51:54,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 13:51:54,884 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:51:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:51:54,885 INFO L82 PathProgramCache]: Analyzing trace with hash -2064302957, now seen corresponding path program 1 times [2020-10-14 13:51:54,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:51:54,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1871401642] [2020-10-14 13:51:54,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:51:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:55,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:55,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:55,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 13:51:58,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:51:58,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3147 [2020-10-14 13:51:58,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 13:51:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 13:51:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 13:51:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:58,382 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-14 13:51:58,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:51:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:58,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 13:51:58,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:58,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:51:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:58,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:51:58,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 13:51:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:58,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:51:58,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:58,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:51:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:51:58,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:51:58,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:51:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:58,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:51:58,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 13:51:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:58,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:51:58,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 13:51:58,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:58,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 13:51:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:58,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:51:58,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 13:51:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:51:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 13:51:58,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 13:51:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 13:51:58,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 13:51:58,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-14 13:51:58,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 13:51:58,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 13:51:58,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:58,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:58,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:51:58,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:51:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 13:51:58,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 13:51:58,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:58,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:58,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:51:58,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 13:51:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:58,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:58,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:58,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:58,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:58,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:51:58,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:58,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:51:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 13:51:58,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1871401642] [2020-10-14 13:51:58,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:51:58,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 13:51:58,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600788120] [2020-10-14 13:51:58,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 13:51:58,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:51:58,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 13:51:58,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 13:51:58,875 INFO L87 Difference]: Start difference. First operand 904 states and 1106 transitions. Second operand 10 states. [2020-10-14 13:52:03,605 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-14 13:52:03,950 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-14 13:52:08,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:52:08,899 INFO L93 Difference]: Finished difference Result 2198 states and 2857 transitions. [2020-10-14 13:52:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 13:52:08,902 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 82 [2020-10-14 13:52:08,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:52:08,911 INFO L225 Difference]: With dead ends: 2198 [2020-10-14 13:52:08,911 INFO L226 Difference]: Without dead ends: 1310 [2020-10-14 13:52:08,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-10-14 13:52:08,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-10-14 13:52:09,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 905. [2020-10-14 13:52:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2020-10-14 13:52:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1107 transitions. [2020-10-14 13:52:09,044 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1107 transitions. Word has length 82 [2020-10-14 13:52:09,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:52:09,045 INFO L479 AbstractCegarLoop]: Abstraction has 905 states and 1107 transitions. [2020-10-14 13:52:09,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 13:52:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1107 transitions. [2020-10-14 13:52:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-14 13:52:09,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:52:09,049 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:52:09,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 13:52:09,050 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:52:09,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:52:09,050 INFO L82 PathProgramCache]: Analyzing trace with hash 631612043, now seen corresponding path program 1 times [2020-10-14 13:52:09,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:52:09,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763753849] [2020-10-14 13:52:09,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:52:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:09,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:09,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:13,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:13,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 13:52:13,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:52:13,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4690 [2020-10-14 13:52:13,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:13,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 13:52:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-14 13:52:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 13:52:13,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,153 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-14 13:52:14,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:52:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:52:14,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 13:52:14,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:14,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:14,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:52:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:52:14,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:52:14,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:14,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:14,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:52:14,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 13:52:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:52:14,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:52:14,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:14,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:52:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:52:14,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:52:14,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:52:14,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 13:52:14,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:52:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:52:14,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:52:14,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:52:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 13:52:14,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 13:52:14,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 13:52:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:52:14,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:52:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 13:52:14,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:52:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 13:52:14,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 13:52:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:52:14,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:52:14,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 13:52:14,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:52:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 13:52:14,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 13:52:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 13:52:14,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 13:52:14,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:52:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 13:52:14,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:52:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 13:52:14,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 13:52:14,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:14,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:14,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:52:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:52:14,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:52:14,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:14,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:14,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:52:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 13:52:14,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:52:14,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:14,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:52:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:52:14,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:52:14,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:14,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 13:52:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:14,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:14,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:14,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:52:14,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:14,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 13:52:14,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:14,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:14,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 13:52:14,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:14,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 13:52:14,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-14 13:52:14,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763753849] [2020-10-14 13:52:14,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:52:14,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 13:52:14,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924017193] [2020-10-14 13:52:14,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 13:52:14,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:52:14,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 13:52:14,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 13:52:14,777 INFO L87 Difference]: Start difference. First operand 905 states and 1107 transitions. Second operand 12 states. [2020-10-14 13:52:18,750 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-14 13:52:23,260 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-14 13:52:23,582 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-14 13:52:23,884 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-14 13:52:27,990 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-14 13:52:31,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:52:31,851 INFO L93 Difference]: Finished difference Result 2437 states and 3249 transitions. [2020-10-14 13:52:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 13:52:31,861 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-10-14 13:52:31,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:52:31,878 INFO L225 Difference]: With dead ends: 2437 [2020-10-14 13:52:31,878 INFO L226 Difference]: Without dead ends: 2413 [2020-10-14 13:52:31,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2020-10-14 13:52:31,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2020-10-14 13:52:32,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 1904. [2020-10-14 13:52:32,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1904 states. [2020-10-14 13:52:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2398 transitions. [2020-10-14 13:52:32,221 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2398 transitions. Word has length 84 [2020-10-14 13:52:32,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:52:32,222 INFO L479 AbstractCegarLoop]: Abstraction has 1904 states and 2398 transitions. [2020-10-14 13:52:32,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 13:52:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2398 transitions. [2020-10-14 13:52:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-14 13:52:32,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:52:32,237 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 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] [2020-10-14 13:52:32,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 13:52:32,237 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:52:32,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:52:32,238 INFO L82 PathProgramCache]: Analyzing trace with hash -637515734, now seen corresponding path program 1 times [2020-10-14 13:52:32,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:52:32,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418472400] [2020-10-14 13:52:32,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:52:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:32,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:32,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:32,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:32,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:32,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:37,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:37,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-14 13:52:37,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 13:52:37,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 13:52:37,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:37,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:52:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-14 13:52:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 13:52:37,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:37,776 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-14 13:52:37,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:52:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:37,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:37,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:37,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:52:37,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:37,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 13:52:37,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:37,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:37,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:52:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:37,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:37,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:37,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:52:37,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:37,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:52:37,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:37,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:37,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:37,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:52:37,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 13:52:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:37,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:37,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:37,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:52:37,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:37,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:52:37,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:37,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:37,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:37,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:37,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:37,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:52:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:37,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:37,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:37,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:52:37,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:37,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:52:37,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:37,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:37,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:37,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:52:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:37,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:37,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:37,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:52:37,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:37,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:52:37,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:37,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:37,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 13:52:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:37,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:37,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:38,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:38,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:52:38,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:52:38,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 13:52:38,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:38,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:38,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:38,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 13:52:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:38,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:38,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:38,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:38,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:52:38,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:52:38,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 13:52:38,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:38,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:38,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 13:52:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:38,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:38,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:38,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-14 13:52:39,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:52:39,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1273 [2020-10-14 13:52:39,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-14 13:52:39,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:52:39,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 13:52:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:39,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 13:52:39,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:52:39,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:52:39,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:52:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:52:39,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:39,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:52:39,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:39,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 13:52:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:39,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 13:52:39,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:39,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:52:39,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:39,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:52:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:39,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:52:39,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:39,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:52:39,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:39,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 13:52:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:39,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 13:52:39,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:39,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:52:39,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:39,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:52:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:39,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:52:39,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 13:52:39,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:39,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 13:52:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:39,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:52:39,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:39,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:52:39,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:39,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 13:52:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:39,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:52:39,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:39,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:52:39,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:39,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 13:52:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:39,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 13:52:39,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:39,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:52:39,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:39,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:52:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:52:39,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:52:39,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:52:39,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:52:39,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:52:39,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:52:39,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:52:39,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:52:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:52:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:52:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:52:39,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:52:39,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 13:52:39,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 13:52:39,674 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 [2020-10-14 13:52:39,686 INFO L168 Benchmark]: Toolchain (without parser) took 68480.90 ms. Allocated memory was 147.8 MB in the beginning and 1.1 GB in the end (delta: 989.3 MB). Free memory was 95.8 MB in the beginning and 537.5 MB in the end (delta: -441.7 MB). Peak memory consumption was 547.6 MB. Max. memory is 7.1 GB. [2020-10-14 13:52:39,687 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. [2020-10-14 13:52:39,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1759.09 ms. Allocated memory was 147.8 MB in the beginning and 218.1 MB in the end (delta: 70.3 MB). Free memory was 95.3 MB in the beginning and 107.5 MB in the end (delta: -12.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. [2020-10-14 13:52:39,689 INFO L168 Benchmark]: Boogie Preprocessor took 270.84 ms. Allocated memory is still 218.1 MB. Free memory was 107.5 MB in the beginning and 98.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2020-10-14 13:52:39,690 INFO L168 Benchmark]: RCFGBuilder took 2560.87 ms. Allocated memory was 218.1 MB in the beginning and 387.4 MB in the end (delta: 169.3 MB). Free memory was 98.5 MB in the beginning and 255.8 MB in the end (delta: -157.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-10-14 13:52:39,693 INFO L168 Benchmark]: TraceAbstraction took 63882.65 ms. Allocated memory was 387.4 MB in the beginning and 1.1 GB in the end (delta: 749.7 MB). Free memory was 255.8 MB in the beginning and 537.5 MB in the end (delta: -281.7 MB). Peak memory consumption was 468.0 MB. Max. memory is 7.1 GB. [2020-10-14 13:52:39,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1759.09 ms. Allocated memory was 147.8 MB in the beginning and 218.1 MB in the end (delta: 70.3 MB). Free memory was 95.3 MB in the beginning and 107.5 MB in the end (delta: -12.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 270.84 ms. Allocated memory is still 218.1 MB. Free memory was 107.5 MB in the beginning and 98.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2560.87 ms. Allocated memory was 218.1 MB in the beginning and 387.4 MB in the end (delta: 169.3 MB). Free memory was 98.5 MB in the beginning and 255.8 MB in the end (delta: -157.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63882.65 ms. Allocated memory was 387.4 MB in the beginning and 1.1 GB in the end (delta: 749.7 MB). Free memory was 255.8 MB in the beginning and 537.5 MB in the end (delta: -281.7 MB). Peak memory consumption was 468.0 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...