/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=0.4 --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 14:08:31,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:08:31,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:08:31,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:08:31,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:08:31,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:08:31,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:08:31,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:08:31,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:08:31,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:08:31,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:08:31,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:08:31,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:08:31,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:08:31,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:08:31,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:08:31,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:08:31,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:08:31,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:08:31,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:08:31,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:08:31,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:08:31,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:08:31,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:08:31,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:08:31,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:08:31,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:08:31,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:08:31,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:08:31,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:08:31,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:08:31,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:08:31,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:08:31,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:08:31,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:08:31,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:08:31,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:08:31,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:08:31,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:08:31,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:08:31,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:08:31,452 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 14:08:31,484 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:08:31,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:08:31,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:08:31,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:08:31,486 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:08:31,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:08:31,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:08:31,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:08:31,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:08:31,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:08:31,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:08:31,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:08:31,489 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:08:31,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:08:31,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:08:31,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:08:31,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:08:31,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:08:31,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:08:31,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:08:31,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:08:31,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:08:31,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:08:31,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:08:31,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:08:31,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:08:31,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 14:08:31,493 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 14:08:31,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:08:31,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:08:31,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:08:31,995 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:08:31,995 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:08:31,996 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 14:08:32,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/472dbb82c/0e41b2fc23f8483f999f92c6e28a847c/FLAGef2a77674 [2020-09-25 14:08:32,971 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:08:32,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 14:08:33,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/472dbb82c/0e41b2fc23f8483f999f92c6e28a847c/FLAGef2a77674 [2020-09-25 14:08:33,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/472dbb82c/0e41b2fc23f8483f999f92c6e28a847c [2020-09-25 14:08:33,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:08:33,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:08:33,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:08:33,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:08:33,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:08:33,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:08:33" (1/1) ... [2020-09-25 14:08:33,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33de124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:33, skipping insertion in model container [2020-09-25 14:08:33,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:08:33" (1/1) ... [2020-09-25 14:08:33,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:08:33,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:08:35,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:08:35,184 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:08:35,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:08:35,594 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:08:35,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:35 WrapperNode [2020-09-25 14:08:35,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:08:35,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:08:35,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:08:35,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:08:35,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:35" (1/1) ... [2020-09-25 14:08:35,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:35" (1/1) ... [2020-09-25 14:08:35,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:35" (1/1) ... [2020-09-25 14:08:35,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:35" (1/1) ... [2020-09-25 14:08:35,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:35" (1/1) ... [2020-09-25 14:08:35,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:35" (1/1) ... [2020-09-25 14:08:35,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:35" (1/1) ... [2020-09-25 14:08:35,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:08:35,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:08:35,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:08:35,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:08:35,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:35" (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 14:08:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:08:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:08:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-09-25 14:08:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-09-25 14:08:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-09-25 14:08:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-09-25 14:08:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-09-25 14:08:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-09-25 14:08:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 14:08:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 14:08:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 14:08:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 14:08:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-09-25 14:08:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-09-25 14:08:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-09-25 14:08:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 14:08:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-09-25 14:08:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 14:08:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 14:08:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 14:08:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 14:08:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 14:08:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 14:08:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 14:08:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 14:08:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 14:08:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 14:08:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-09-25 14:08:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-09-25 14:08:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-09-25 14:08:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-09-25 14:08:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-09-25 14:08:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 14:08:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-09-25 14:08:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-09-25 14:08:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-09-25 14:08:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-09-25 14:08:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-09-25 14:08:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-09-25 14:08:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-09-25 14:08:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-09-25 14:08:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-09-25 14:08:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-09-25 14:08:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-09-25 14:08:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:08:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 14:08:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 14:08:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 14:08:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 14:08:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 14:08:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-09-25 14:08:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-09-25 14:08:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 14:08:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 14:08:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 14:08:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 14:08:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 14:08:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 14:08:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 14:08:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 14:08:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 14:08:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 14:08:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 14:08:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 14:08:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 14:08:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 14:08:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 14:08:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 14:08:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 14:08:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 14:08:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-09-25 14:08:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-09-25 14:08:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 14:08:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-09-25 14:08:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-09-25 14:08:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 14:08:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-09-25 14:08:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 14:08:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 14:08:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 14:08:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-09-25 14:08:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 14:08:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 14:08:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-09-25 14:08:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 14:08:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 14:08:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 14:08:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-09-25 14:08:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-09-25 14:08:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-09-25 14:08:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-09-25 14:08:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-09-25 14:08:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-09-25 14:08:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-09-25 14:08:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 14:08:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 14:08:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 14:08:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-09-25 14:08:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:08:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 14:08:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-09-25 14:08:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-09-25 14:08:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-09-25 14:08:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:08:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-09-25 14:08:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-09-25 14:08:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-09-25 14:08:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-09-25 14:08:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 14:08:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-09-25 14:08:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 14:08:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 14:08:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:08:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 14:08:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 14:08:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 14:08:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 14:08:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 14:08:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 14:08:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-09-25 14:08:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 14:08:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:08:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 14:08:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-09-25 14:08:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-09-25 14:08:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:08:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-09-25 14:08:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 14:08:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 14:08:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 14:08:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 14:08:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-09-25 14:08:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-09-25 14:08:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 14:08:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:08:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 14:08:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:08:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 14:08:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 14:08:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 14:08:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 14:08:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:08:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 14:08:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 14:08:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 14:08:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 14:08:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 14:08:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 14:08:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 14:08:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-09-25 14:08:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-09-25 14:08:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 14:08:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 14:08:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-09-25 14:08:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-09-25 14:08:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-09-25 14:08:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-09-25 14:08:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-09-25 14:08:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-09-25 14:08:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 14:08:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-09-25 14:08:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 14:08:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-09-25 14:08:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 14:08:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-09-25 14:08:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-09-25 14:08:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 14:08:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 14:08:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 14:08:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-09-25 14:08:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-09-25 14:08:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-09-25 14:08:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-09-25 14:08:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-09-25 14:08:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-09-25 14:08:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-09-25 14:08:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-09-25 14:08:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-09-25 14:08:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-09-25 14:08:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-09-25 14:08:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:08:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-09-25 14:08:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-09-25 14:08:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-09-25 14:08:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-09-25 14:08:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:08:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-09-25 14:08:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-09-25 14:08:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-09-25 14:08:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 14:08:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 14:08:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 14:08:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:08:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 14:08:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 14:08:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 14:08:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 14:08:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 14:08:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 14:08:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 14:08:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 14:08:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 14:08:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 14:08:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 14:08:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 14:08:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 14:08:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 14:08:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 14:08:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 14:08:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:08:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 14:08:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:08:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 14:08:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:08:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 14:08:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:08:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 14:08:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 14:08:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 14:08:36,604 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 14:08:38,080 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:08:38,080 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 14:08:38,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:08:38 BoogieIcfgContainer [2020-09-25 14:08:38,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:08:38,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:08:38,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:08:38,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:08:38,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:08:33" (1/3) ... [2020-09-25 14:08:38,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d939bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:08:38, skipping insertion in model container [2020-09-25 14:08:38,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:35" (2/3) ... [2020-09-25 14:08:38,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d939bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:08:38, skipping insertion in model container [2020-09-25 14:08:38,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:08:38" (3/3) ... [2020-09-25 14:08:38,110 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 14:08:38,122 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:08:38,134 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:08:38,158 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:08:38,200 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:08:38,201 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:08:38,201 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:08:38,201 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:08:38,201 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:08:38,201 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:08:38,202 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:08:38,202 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:08:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states. [2020-09-25 14:08:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 14:08:38,293 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:08:38,296 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 14:08:38,297 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:08:38,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:08:38,305 INFO L82 PathProgramCache]: Analyzing trace with hash -410682460, now seen corresponding path program 1 times [2020-09-25 14:08:38,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:08:38,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027162539] [2020-09-25 14:08:38,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:08:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:39,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:40,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:43,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:43,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:43,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 14:08:43,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:08:43,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5073 [2020-09-25 14:08:43,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:43,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:08:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 14:08:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 14:08:43,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:08:44,707 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 14:08:44,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:44,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:44,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:44,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 14:08:44,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:44,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-25 14:08:44,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:44,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:45,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:08:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:45,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:45,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:08:45,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 14:08:45,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:45,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:45,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:45,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:45,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:45,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:08:45,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 14:08:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:45,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:45,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:45,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:08:45,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:45,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 14:08:45,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:45,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:45,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:45,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 14:08:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:45,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:45,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:45,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:08:45,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:45,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 14:08:45,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:45,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:45,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:45,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:08:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:45,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:45,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:45,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:45,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:08:45,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:45,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 14:08:45,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:45,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:45,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:45,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:08:45,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:45,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 14:08:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:45,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:45,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:45,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:45,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:08:45,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:08:45,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-25 14:08:45,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:45,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:45,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:45,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:45,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:08:45,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:45,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 14:08:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:45,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:45,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:45,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:45,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:08:45,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:08:45,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-09-25 14:08:45,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:45,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:45,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:08:45,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:08:45,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 14:08:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:45,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:46,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:46,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:08:46,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 14:08:46,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:46,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 14:08:46,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:46,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:46,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:46,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:46,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:08:46,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 14:08:46,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:46,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:46,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:46,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:46,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:08:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:08:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:46,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:46,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:46,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:08:46,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 14:08:46,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:46,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:46,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:46,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:46,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 14:08:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:46,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:46,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:46,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:08:46,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:46,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 14:08:46,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:46,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:46,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:08:46,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:08:46,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:46,390 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 14:08:46,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027162539] [2020-09-25 14:08:46,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:08:46,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:08:46,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408868805] [2020-09-25 14:08:46,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:08:46,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:08:46,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:08:46,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:08:46,438 INFO L87 Difference]: Start difference. First operand 1198 states. Second operand 11 states. [2020-09-25 14:08:47,629 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 14:08:50,754 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-09-25 14:08:51,205 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 14:08:51,608 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-25 14:08:51,988 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 14:09:00,895 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 14:09:01,376 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 14:09:07,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:09:07,245 INFO L93 Difference]: Finished difference Result 3962 states and 4685 transitions. [2020-09-25 14:09:07,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 14:09:07,250 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 230 [2020-09-25 14:09:07,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:09:07,291 INFO L225 Difference]: With dead ends: 3962 [2020-09-25 14:09:07,291 INFO L226 Difference]: Without dead ends: 2881 [2020-09-25 14:09:07,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2020-09-25 14:09:07,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2881 states. [2020-09-25 14:09:07,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2881 to 2216. [2020-09-25 14:09:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-09-25 14:09:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2469 transitions. [2020-09-25 14:09:07,629 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2469 transitions. Word has length 230 [2020-09-25 14:09:07,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:09:07,634 INFO L479 AbstractCegarLoop]: Abstraction has 2216 states and 2469 transitions. [2020-09-25 14:09:07,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:09:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2469 transitions. [2020-09-25 14:09:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-09-25 14:09:07,656 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:09:07,657 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 14:09:07,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:09:07,657 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:09:07,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:09:07,658 INFO L82 PathProgramCache]: Analyzing trace with hash 306965196, now seen corresponding path program 1 times [2020-09-25 14:09:07,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:09:07,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935417028] [2020-09-25 14:09:07,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:09:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:08,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:08,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:08,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:08,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:10,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:12,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:12,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 532 [2020-09-25 14:09:12,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:09:12,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5110 [2020-09-25 14:09:12,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:12,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:12,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:09:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 14:09:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 14:09:12,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:13,371 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 14:09:13,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:09:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:13,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:13,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:13,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 14:09:13,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:13,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-09-25 14:09:13,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:13,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:13,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:13,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:09:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:13,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:13,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:13,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:09:13,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:13,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 14:09:13,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:13,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:13,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:13,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 14:09:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:13,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:13,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:13,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:09:13,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:13,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 14:09:13,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:13,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:13,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:13,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:13,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:13,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:13,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 14:09:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:13,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:13,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:13,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:09:13,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:13,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 14:09:13,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:13,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:13,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:13,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:13,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:13,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:13,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:09:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:13,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:13,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:13,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:09:13,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 14:09:13,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:13,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:13,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:13,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 14:09:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:13,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:13,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:13,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:13,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:09:13,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:09:13,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 14:09:13,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:13,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:13,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 14:09:13,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 14:09:13,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:09:13,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:14,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 14:09:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:14,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:14,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:14,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:14,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:09:14,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:09:14,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 14:09:14,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:14,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 14:09:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 14:09:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:09:14,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:14,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 14:09:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:14,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:14,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:15,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:17,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:17,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-25 14:09:17,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:09:17,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3079 [2020-09-25 14:09:17,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:17,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 14:09:17,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-25 14:09:17,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:09:17,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:09:17,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 14:09:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:17,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:17,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:17,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:09:17,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:17,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 14:09:17,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:17,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:17,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:17,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:09:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:17,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:17,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:17,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:09:17,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 14:09:17,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:17,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:17,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:17,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 14:09:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:17,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:17,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:17,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 14:09:17,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:17,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 14:09:17,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:17,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:17,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:17,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:17,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:17,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:17,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:09:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:17,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:17,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:17,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:09:17,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:17,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 14:09:17,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:17,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:17,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:17,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-25 14:09:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:17,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:17,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:17,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 14:09:17,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:17,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-25 14:09:17,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:17,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:17,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:09:17,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:09:17,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:09:17,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:09:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:17,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:18,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:18,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:09:18,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:18,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 14:09:18,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:18,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 14:09:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 14:09:18,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:18,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:09:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:18,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:18,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:18,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:09:18,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 14:09:18,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:18,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:09:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:09:18,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:18,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:09:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:18,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:18,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:18,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:09:18,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:18,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 14:09:18,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:18,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:18,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:18,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 14:09:18,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:18,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:18,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-25 14:09:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:18,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:18,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:18,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 14:09:18,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:18,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 14:09:18,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:18,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 14:09:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:18,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:18,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:09:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:18,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:18,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:18,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:09:18,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:18,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 14:09:18,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:18,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:18,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:18,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:18,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 14:09:18,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:09:18,412 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 14:09:18,419 INFO L168 Benchmark]: Toolchain (without parser) took 44940.45 ms. Allocated memory was 140.0 MB in the beginning and 823.7 MB in the end (delta: 683.7 MB). Free memory was 95.2 MB in the beginning and 40.0 MB in the end (delta: 55.2 MB). Peak memory consumption was 738.9 MB. Max. memory is 7.1 GB. [2020-09-25 14:09:18,421 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 14:09:18,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2111.44 ms. Allocated memory was 140.0 MB in the beginning and 221.8 MB in the end (delta: 81.8 MB). Free memory was 94.5 MB in the beginning and 111.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. [2020-09-25 14:09:18,428 INFO L168 Benchmark]: Boogie Preprocessor took 228.16 ms. Allocated memory is still 221.8 MB. Free memory was 111.9 MB in the beginning and 102.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-09-25 14:09:18,429 INFO L168 Benchmark]: RCFGBuilder took 2271.05 ms. Allocated memory was 221.8 MB in the beginning and 269.0 MB in the end (delta: 47.2 MB). Free memory was 102.7 MB in the beginning and 157.7 MB in the end (delta: -55.0 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2020-09-25 14:09:18,429 INFO L168 Benchmark]: TraceAbstraction took 40316.19 ms. Allocated memory was 269.0 MB in the beginning and 823.7 MB in the end (delta: 554.7 MB). Free memory was 157.7 MB in the beginning and 40.0 MB in the end (delta: 117.7 MB). Peak memory consumption was 672.4 MB. Max. memory is 7.1 GB. [2020-09-25 14:09:18,443 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2111.44 ms. Allocated memory was 140.0 MB in the beginning and 221.8 MB in the end (delta: 81.8 MB). Free memory was 94.5 MB in the beginning and 111.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 228.16 ms. Allocated memory is still 221.8 MB. Free memory was 111.9 MB in the beginning and 102.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2271.05 ms. Allocated memory was 221.8 MB in the beginning and 269.0 MB in the end (delta: 47.2 MB). Free memory was 102.7 MB in the beginning and 157.7 MB in the end (delta: -55.0 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40316.19 ms. Allocated memory was 269.0 MB in the beginning and 823.7 MB in the end (delta: 554.7 MB). Free memory was 157.7 MB in the beginning and 40.0 MB in the end (delta: 117.7 MB). Peak memory consumption was 672.4 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...