/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:00:56,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:00:56,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:00:56,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:00:56,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:00:56,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:00:56,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:00:56,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:00:56,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:00:56,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:00:56,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:00:56,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:00:56,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:00:56,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:00:56,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:00:56,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:00:56,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:00:56,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:00:56,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:00:56,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:00:56,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:00:56,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:00:56,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:00:56,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:00:56,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:00:56,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:00:56,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:00:56,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:00:56,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:00:56,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:00:56,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:00:56,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:00:56,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:00:56,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:00:56,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:00:56,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:00:56,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:00:56,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:00:56,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:00:56,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:00:56,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:00:56,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 13:00:56,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:00:56,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:00:56,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:00:56,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:00:56,991 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:00:56,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:00:56,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:00:56,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:00:56,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:00:56,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:00:56,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:00:56,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:00:56,993 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:00:56,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:00:56,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:00:56,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:00:56,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:00:56,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:00:56,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:00:56,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:00:56,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:00:56,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:00:56,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:00:56,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:00:56,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:00:56,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:00:56,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 13:00:56,997 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 13:00:57,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:00:57,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:00:57,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:00:57,459 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:00:57,459 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:00:57,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 13:00:57,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7609c1c7a/e9be2831671344c59ed7abc38f1c84d9/FLAGc49d56367 [2020-09-25 13:00:58,349 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:00:58,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 13:00:58,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7609c1c7a/e9be2831671344c59ed7abc38f1c84d9/FLAGc49d56367 [2020-09-25 13:00:58,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7609c1c7a/e9be2831671344c59ed7abc38f1c84d9 [2020-09-25 13:00:58,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:00:58,917 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:00:58,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:00:58,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:00:58,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:00:58,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:00:58" (1/1) ... [2020-09-25 13:00:58,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1865218a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:58, skipping insertion in model container [2020-09-25 13:00:58,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:00:58" (1/1) ... [2020-09-25 13:00:58,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:00:59,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:01:00,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:01:00,562 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:01:00,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:01:00,959 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:01:00,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:01:00 WrapperNode [2020-09-25 13:01:00,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:01:00,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:01:00,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:01:00,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:01:00,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:01:00" (1/1) ... [2020-09-25 13:01:00,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:01:00" (1/1) ... [2020-09-25 13:01:01,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:01:00" (1/1) ... [2020-09-25 13:01:01,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:01:00" (1/1) ... [2020-09-25 13:01:01,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:01:00" (1/1) ... [2020-09-25 13:01:01,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:01:00" (1/1) ... [2020-09-25 13:01:01,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:01:00" (1/1) ... [2020-09-25 13:01:01,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:01:01,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:01:01,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:01:01,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:01:01,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:01:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:01:01,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:01:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:01:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-09-25 13:01:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-09-25 13:01:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-09-25 13:01:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-09-25 13:01:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-09-25 13:01:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-09-25 13:01:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 13:01:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 13:01:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 13:01:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 13:01:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-09-25 13:01:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-09-25 13:01:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-09-25 13:01:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 13:01:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-09-25 13:01:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 13:01:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 13:01:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 13:01:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 13:01:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 13:01:01,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 13:01:01,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 13:01:01,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 13:01:01,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 13:01:01,328 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 13:01:01,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-09-25 13:01:01,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-09-25 13:01:01,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-09-25 13:01:01,329 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-09-25 13:01:01,329 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-09-25 13:01:01,329 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 13:01:01,329 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-09-25 13:01:01,329 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-09-25 13:01:01,330 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-09-25 13:01:01,330 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-09-25 13:01:01,330 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-09-25 13:01:01,330 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-09-25 13:01:01,330 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-09-25 13:01:01,331 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-09-25 13:01:01,332 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-09-25 13:01:01,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-09-25 13:01:01,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-09-25 13:01:01,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:01:01,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 13:01:01,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 13:01:01,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 13:01:01,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 13:01:01,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 13:01:01,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-09-25 13:01:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-09-25 13:01:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 13:01:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 13:01:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 13:01:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 13:01:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 13:01:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 13:01:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 13:01:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 13:01:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 13:01:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 13:01:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 13:01:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 13:01:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 13:01:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 13:01:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 13:01:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 13:01:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 13:01:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 13:01:01,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-09-25 13:01:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-09-25 13:01:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 13:01:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-09-25 13:01:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-09-25 13:01:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 13:01:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-09-25 13:01:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 13:01:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 13:01:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 13:01:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-09-25 13:01:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 13:01:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 13:01:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-09-25 13:01:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 13:01:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 13:01:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 13:01:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-09-25 13:01:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-09-25 13:01:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-09-25 13:01:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-09-25 13:01:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-09-25 13:01:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-09-25 13:01:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-09-25 13:01:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 13:01:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 13:01:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 13:01:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-09-25 13:01:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:01:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 13:01:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-09-25 13:01:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-09-25 13:01:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-09-25 13:01:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:01:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-09-25 13:01:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-09-25 13:01:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-09-25 13:01:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-09-25 13:01:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 13:01:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-09-25 13:01:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 13:01:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 13:01:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:01:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 13:01:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 13:01:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 13:01:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 13:01:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 13:01:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 13:01:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-09-25 13:01:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 13:01:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:01:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 13:01:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-09-25 13:01:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-09-25 13:01:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:01:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-09-25 13:01:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 13:01:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 13:01:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 13:01:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 13:01:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-09-25 13:01:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-09-25 13:01:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 13:01:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:01:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 13:01:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:01:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 13:01:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 13:01:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 13:01:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 13:01:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:01:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 13:01:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 13:01:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 13:01:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 13:01:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 13:01:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 13:01:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 13:01:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-09-25 13:01:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-09-25 13:01:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 13:01:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 13:01:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-09-25 13:01:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-09-25 13:01:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-09-25 13:01:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-09-25 13:01:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-09-25 13:01:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-09-25 13:01:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 13:01:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-09-25 13:01:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 13:01:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-09-25 13:01:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 13:01:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-09-25 13:01:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-09-25 13:01:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 13:01:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 13:01:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 13:01:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-09-25 13:01:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-09-25 13:01:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-09-25 13:01:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-09-25 13:01:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-09-25 13:01:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-09-25 13:01:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-09-25 13:01:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-09-25 13:01:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-09-25 13:01:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-09-25 13:01:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-09-25 13:01:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:01:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-09-25 13:01:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-09-25 13:01:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-09-25 13:01:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-09-25 13:01:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:01:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-09-25 13:01:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-09-25 13:01:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-09-25 13:01:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 13:01:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 13:01:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 13:01:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:01:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 13:01:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 13:01:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 13:01:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 13:01:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 13:01:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 13:01:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 13:01:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 13:01:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 13:01:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 13:01:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 13:01:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 13:01:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 13:01:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 13:01:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 13:01:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 13:01:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:01:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 13:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 13:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 13:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 13:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 13:01:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 13:01:02,225 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 13:01:03,582 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:01:03,582 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 13:01:03,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:01:03 BoogieIcfgContainer [2020-09-25 13:01:03,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:01:03,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:01:03,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:01:03,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:01:03,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:00:58" (1/3) ... [2020-09-25 13:01:03,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed4a908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:01:03, skipping insertion in model container [2020-09-25 13:01:03,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:01:00" (2/3) ... [2020-09-25 13:01:03,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed4a908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:01:03, skipping insertion in model container [2020-09-25 13:01:03,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:01:03" (3/3) ... [2020-09-25 13:01:03,605 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 13:01:03,619 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:01:03,635 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:01:03,662 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:01:03,705 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:01:03,705 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:01:03,705 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:01:03,705 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:01:03,705 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:01:03,706 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:01:03,706 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:01:03,706 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:01:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states. [2020-09-25 13:01:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 13:01:03,794 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:01:03,796 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:01:03,796 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:01:03,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:01:03,805 INFO L82 PathProgramCache]: Analyzing trace with hash -410682460, now seen corresponding path program 1 times [2020-09-25 13:01:03,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:01:03,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872651989] [2020-09-25 13:01:03,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:01:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:04,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:04,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:05,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:08,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:09,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:09,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 13:01:09,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:01:09,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 13:01:09,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:09,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:01:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 13:01:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:01:09,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:01:09,985 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 13:01:09,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 13:01:10,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-25 13:01:10,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:10,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:01:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:10,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 13:01:10,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:10,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:10,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 13:01:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:10,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 13:01:10,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:10,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:10,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 13:01:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 13:01:10,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 13:01:10,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:10,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:01:10,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:01:10,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 13:01:10,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:10,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:01:10,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 13:01:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:10,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-25 13:01:10,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:10,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 13:01:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:11,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:11,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:11,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:11,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-25 13:01:11,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:11,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:11,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:11,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:11,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:11,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 13:01:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:11,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:11,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:11,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:01:11,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:11,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 13:01:11,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:11,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:11,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:11,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 13:01:11,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:11,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:11,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:11,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:11,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 13:01:11,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:11,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 13:01:11,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:11,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:11,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:11,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:11,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:01:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:11,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:11,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:11,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:01:11,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 13:01:11,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:11,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:11,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:11,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 13:01:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:11,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:11,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:11,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:11,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 13:01:11,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:11,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:01:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:11,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 13:01:11,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872651989] [2020-09-25 13:01:11,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:01:11,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:01:11,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139640574] [2020-09-25 13:01:11,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:01:11,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:01:11,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:01:11,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:01:11,504 INFO L87 Difference]: Start difference. First operand 1198 states. Second operand 11 states. [2020-09-25 13:01:12,606 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 13:01:15,707 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-09-25 13:01:16,181 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 13:01:16,582 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-25 13:01:16,954 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 13:01:25,997 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 13:01:26,504 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 13:01:32,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:01:32,174 INFO L93 Difference]: Finished difference Result 3963 states and 4686 transitions. [2020-09-25 13:01:32,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 13:01:32,178 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 230 [2020-09-25 13:01:32,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:01:32,218 INFO L225 Difference]: With dead ends: 3963 [2020-09-25 13:01:32,218 INFO L226 Difference]: Without dead ends: 2882 [2020-09-25 13:01:32,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2020-09-25 13:01:32,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2020-09-25 13:01:32,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2216. [2020-09-25 13:01:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-09-25 13:01:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2469 transitions. [2020-09-25 13:01:32,547 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2469 transitions. Word has length 230 [2020-09-25 13:01:32,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:01:32,552 INFO L479 AbstractCegarLoop]: Abstraction has 2216 states and 2469 transitions. [2020-09-25 13:01:32,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:01:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2469 transitions. [2020-09-25 13:01:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-09-25 13:01:32,571 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:01:32,571 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:01:32,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:01:32,572 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:01:32,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:01:32,573 INFO L82 PathProgramCache]: Analyzing trace with hash 306965196, now seen corresponding path program 1 times [2020-09-25 13:01:32,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:01:32,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647189862] [2020-09-25 13:01:32,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:01:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:32,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:33,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:33,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:33,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:35,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:37,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:37,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 532 [2020-09-25 13:01:37,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:01:37,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5102 [2020-09-25 13:01:37,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:37,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 13:01:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 13:01:37,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:38,260 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 13:01:38,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:38,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:38,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:38,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 13:01:38,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:38,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-09-25 13:01:38,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:38,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:01:38,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:01:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:38,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:38,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:38,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:38,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:38,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 13:01:38,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:38,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:38,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:01:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 13:01:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:38,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:38,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:38,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:38,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 13:01:38,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:38,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:38,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:38,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:38,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:38,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:01:38,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 13:01:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:38,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:38,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:38,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 13:01:38,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:38,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 13:01:38,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:38,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:38,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:38,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:38,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:38,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:38,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:38,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:38,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:38,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:01:38,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:38,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 13:01:38,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:38,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:01:38,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 13:01:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:38,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:38,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:38,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:38,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:38,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:38,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 13:01:38,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:38,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:01:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 13:01:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:38,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 13:01:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:38,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:39,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:39,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:39,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:39,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 13:01:39,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:39,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:01:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 13:01:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:01:39,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 13:01:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:39,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:39,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:40,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:42,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:42,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-25 13:01:42,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:01:42,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3236 [2020-09-25 13:01:42,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:42,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 13:01:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-25 13:01:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 13:01:42,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:42,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 13:01:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:42,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:42,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:42,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:01:42,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:42,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 13:01:42,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:42,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:42,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:42,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:42,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:42,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:42,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:01:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:42,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:42,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:42,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:01:42,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:42,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 13:01:42,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:42,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:42,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:42,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:42,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 13:01:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:42,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:42,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:42,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 13:01:42,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 13:01:42,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:42,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:42,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:42,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:42,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:01:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:42,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:42,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:42,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:42,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:42,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 13:01:42,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:42,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:42,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:42,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:42,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-25 13:01:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:42,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:42,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:42,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 13:01:42,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:42,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-09-25 13:01:42,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:42,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:42,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:01:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 13:01:42,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:43,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:01:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:43,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:43,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:43,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:43,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:43,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 13:01:43,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:43,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:01:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 13:01:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:43,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:01:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:43,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:43,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:43,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:01:43,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:43,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 13:01:43,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:43,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:43,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:01:43,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:43,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:01:43,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:43,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:01:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:43,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:43,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:43,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:43,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:43,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 13:01:43,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:43,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:43,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:43,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 13:01:43,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:43,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:43,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-25 13:01:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:43,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:43,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:43,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 13:01:43,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:43,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 13:01:43,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:43,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:43,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:43,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 13:01:43,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:43,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:43,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:01:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:43,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:43,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:43,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:43,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:43,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 13:01:43,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:43,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:43,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:43,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:43,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:43,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:43,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 13:01:43,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:01:43,518 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 33 more [2020-09-25 13:01:43,526 INFO L168 Benchmark]: Toolchain (without parser) took 44612.17 ms. Allocated memory was 140.5 MB in the beginning and 730.3 MB in the end (delta: 589.8 MB). Free memory was 93.9 MB in the beginning and 560.7 MB in the end (delta: -466.9 MB). Peak memory consumption was 123.0 MB. Max. memory is 7.1 GB. [2020-09-25 13:01:43,528 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 13:01:43,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2044.72 ms. Allocated memory was 140.5 MB in the beginning and 229.6 MB in the end (delta: 89.1 MB). Free memory was 93.2 MB in the beginning and 122.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 68.6 MB. Max. memory is 7.1 GB. [2020-09-25 13:01:43,536 INFO L168 Benchmark]: Boogie Preprocessor took 242.32 ms. Allocated memory is still 229.6 MB. Free memory was 122.2 MB in the beginning and 113.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2020-09-25 13:01:43,537 INFO L168 Benchmark]: RCFGBuilder took 2388.84 ms. Allocated memory was 229.6 MB in the beginning and 261.1 MB in the end (delta: 31.5 MB). Free memory was 112.3 MB in the beginning and 137.7 MB in the end (delta: -25.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. [2020-09-25 13:01:43,538 INFO L168 Benchmark]: TraceAbstraction took 39927.66 ms. Allocated memory was 261.1 MB in the beginning and 730.3 MB in the end (delta: 469.2 MB). Free memory was 137.7 MB in the beginning and 560.7 MB in the end (delta: -423.0 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2020-09-25 13:01:43,552 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2044.72 ms. Allocated memory was 140.5 MB in the beginning and 229.6 MB in the end (delta: 89.1 MB). Free memory was 93.2 MB in the beginning and 122.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 68.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 242.32 ms. Allocated memory is still 229.6 MB. Free memory was 122.2 MB in the beginning and 113.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2388.84 ms. Allocated memory was 229.6 MB in the beginning and 261.1 MB in the end (delta: 31.5 MB). Free memory was 112.3 MB in the beginning and 137.7 MB in the end (delta: -25.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39927.66 ms. Allocated memory was 261.1 MB in the beginning and 730.3 MB in the end (delta: 469.2 MB). Free memory was 137.7 MB in the beginning and 560.7 MB in the end (delta: -423.0 MB). Peak memory consumption was 46.3 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...