/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 08:27:47,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 08:27:47,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 08:27:47,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 08:27:47,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 08:27:47,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 08:27:47,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 08:27:47,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 08:27:47,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 08:27:47,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 08:27:47,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 08:27:47,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 08:27:47,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 08:27:47,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 08:27:47,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 08:27:47,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 08:27:47,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 08:27:47,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 08:27:47,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 08:27:47,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 08:27:47,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 08:27:47,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 08:27:47,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 08:27:47,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 08:27:47,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 08:27:47,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 08:27:47,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 08:27:47,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 08:27:47,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 08:27:47,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 08:27:47,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 08:27:47,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 08:27:47,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 08:27:47,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 08:27:47,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 08:27:47,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 08:27:47,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 08:27:47,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 08:27:47,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 08:27:47,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 08:27:47,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 08:27:47,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-15 08:27:47,527 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 08:27:47,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 08:27:47,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 08:27:47,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 08:27:47,530 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 08:27:47,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 08:27:47,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 08:27:47,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 08:27:47,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 08:27:47,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 08:27:47,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 08:27:47,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 08:27:47,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 08:27:47,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 08:27:47,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 08:27:47,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 08:27:47,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 08:27:47,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 08:27:47,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:27:47,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 08:27:47,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 08:27:47,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 08:27:47,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 08:27:47,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 08:27:47,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 08:27:47,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 08:27:47,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 08:27:47,535 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 08:27:47,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 08:27:47,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 08:27:47,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 08:27:47,852 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 08:27:47,852 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 08:27:47,853 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-15 08:27:47,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1a9cea15/6b76419c8b684183842a8fa6280d97b5/FLAGb74ff18d4 [2020-10-15 08:27:48,624 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 08:27:48,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-15 08:27:48,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1a9cea15/6b76419c8b684183842a8fa6280d97b5/FLAGb74ff18d4 [2020-10-15 08:27:48,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1a9cea15/6b76419c8b684183842a8fa6280d97b5 [2020-10-15 08:27:48,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 08:27:48,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 08:27:48,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 08:27:48,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 08:27:48,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 08:27:48,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:27:48" (1/1) ... [2020-10-15 08:27:48,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567a17b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:48, skipping insertion in model container [2020-10-15 08:27:48,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:27:48" (1/1) ... [2020-10-15 08:27:48,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 08:27:48,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 08:27:50,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:27:50,084 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 08:27:50,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:27:50,622 INFO L208 MainTranslator]: Completed translation [2020-10-15 08:27:50,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:50 WrapperNode [2020-10-15 08:27:50,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 08:27:50,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 08:27:50,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 08:27:50,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 08:27:50,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:50" (1/1) ... [2020-10-15 08:27:50,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:50" (1/1) ... [2020-10-15 08:27:50,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:50" (1/1) ... [2020-10-15 08:27:50,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:50" (1/1) ... [2020-10-15 08:27:50,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:50" (1/1) ... [2020-10-15 08:27:50,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:50" (1/1) ... [2020-10-15 08:27:50,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:50" (1/1) ... [2020-10-15 08:27:50,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 08:27:50,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 08:27:50,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 08:27:50,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 08:27:50,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:27:51,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 08:27:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 08:27:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-15 08:27:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-15 08:27:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-10-15 08:27:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-10-15 08:27:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-15 08:27:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-10-15 08:27:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-15 08:27:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 08:27:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-15 08:27:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-15 08:27:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-15 08:27:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-15 08:27:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-10-15 08:27:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-15 08:27:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-15 08:27:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 08:27:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 08:27:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 08:27:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 08:27:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 08:27:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 08:27:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 08:27:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 08:27:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 08:27:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-15 08:27:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-10-15 08:27:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-10-15 08:27:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-10-15 08:27:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-10-15 08:27:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-10-15 08:27:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-15 08:27:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-15 08:27:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-10-15 08:27:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-10-15 08:27:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-10-15 08:27:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-10-15 08:27:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-10-15 08:27:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-10-15 08:27:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-10-15 08:27:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-10-15 08:27:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-15 08:27:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-15 08:27:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 08:27:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-15 08:27:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-15 08:27:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-15 08:27:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-15 08:27:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-15 08:27:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-10-15 08:27:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-10-15 08:27:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-15 08:27:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-15 08:27:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-15 08:27:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-15 08:27:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-15 08:27:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 08:27:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-15 08:27:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-15 08:27:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-15 08:27:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-15 08:27:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 08:27:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-15 08:27:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-15 08:27:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-15 08:27:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-15 08:27:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-15 08:27:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 08:27:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-15 08:27:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-15 08:27:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-15 08:27:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-10-15 08:27:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-15 08:27:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-15 08:27:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-15 08:27:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-15 08:27:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-15 08:27:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-15 08:27:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-15 08:27:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-15 08:27:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-15 08:27:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-15 08:27:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-10-15 08:27:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-15 08:27:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-15 08:27:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-15 08:27:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-10-15 08:27:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-15 08:27:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-10-15 08:27:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-15 08:27:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-15 08:27:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-15 08:27:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-15 08:27:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 08:27:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 08:27:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 08:27:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-15 08:27:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 08:27:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 08:27:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-15 08:27:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-15 08:27:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-10-15 08:27:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 08:27:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-10-15 08:27:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-15 08:27:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-10-15 08:27:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-15 08:27:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 08:27:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-15 08:27:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-15 08:27:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 08:27:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 08:27:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-15 08:27:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-15 08:27:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-15 08:27:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-15 08:27:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-15 08:27:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-15 08:27:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-15 08:27:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-15 08:27:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 08:27:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-15 08:27:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-15 08:27:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-15 08:27:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 08:27:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-10-15 08:27:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-15 08:27:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-15 08:27:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-15 08:27:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-15 08:27:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-15 08:27:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-15 08:27:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-15 08:27:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 08:27:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 08:27:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 08:27:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 08:27:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 08:27:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 08:27:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 08:27:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 08:27:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 08:27:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 08:27:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 08:27:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 08:27:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 08:27:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 08:27:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 08:27:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-15 08:27:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-15 08:27:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-15 08:27:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-15 08:27:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-15 08:27:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-10-15 08:27:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-10-15 08:27:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-10-15 08:27:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-10-15 08:27:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-10-15 08:27:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-15 08:27:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-10-15 08:27:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-15 08:27:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-10-15 08:27:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-15 08:27:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-10-15 08:27:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-15 08:27:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-15 08:27:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-15 08:27:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-15 08:27:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-15 08:27:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-10-15 08:27:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-15 08:27:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-15 08:27:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-15 08:27:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-15 08:27:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-10-15 08:27:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-10-15 08:27:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-15 08:27:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-10-15 08:27:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-10-15 08:27:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 08:27:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-10-15 08:27:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-10-15 08:27:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-15 08:27:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-10-15 08:27:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 08:27:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-10-15 08:27:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-10-15 08:27:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-15 08:27:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-10-15 08:27:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 08:27:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 08:27:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 08:27:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 08:27:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-15 08:27:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-15 08:27:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-15 08:27:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-15 08:27:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-15 08:27:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 08:27:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-15 08:27:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-15 08:27:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-15 08:27:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-15 08:27:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-15 08:27:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-15 08:27:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-15 08:27:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-15 08:27:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 08:27:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 08:27:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 08:27:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 08:27:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 08:27:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 08:27:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 08:27:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 08:27:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 08:27:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 08:27:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 08:27:51,811 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 08:27:54,067 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 08:27:54,068 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 08:27:54,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:27:54 BoogieIcfgContainer [2020-10-15 08:27:54,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 08:27:54,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 08:27:54,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 08:27:54,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 08:27:54,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:27:48" (1/3) ... [2020-10-15 08:27:54,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4469a0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:27:54, skipping insertion in model container [2020-10-15 08:27:54,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:50" (2/3) ... [2020-10-15 08:27:54,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4469a0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:27:54, skipping insertion in model container [2020-10-15 08:27:54,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:27:54" (3/3) ... [2020-10-15 08:27:54,083 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-15 08:27:54,093 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 08:27:54,102 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 08:27:54,114 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 08:27:54,137 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 08:27:54,137 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 08:27:54,137 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 08:27:54,137 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 08:27:54,138 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 08:27:54,138 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 08:27:54,138 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 08:27:54,138 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 08:27:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states. [2020-10-15 08:27:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-15 08:27:54,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:27:54,181 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:27:54,181 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:27:54,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:27:54,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1715961346, now seen corresponding path program 1 times [2020-10-15 08:27:54,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:27:54,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89431695] [2020-10-15 08:27:54,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:27:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:27:54,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:54,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:54,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:56,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:27:59,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:27:59,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-15 08:27:59,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 08:27:59,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-15 08:27:59,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:27:59,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:27:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:27:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-15 08:27:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 08:27:59,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 08:28:00,412 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-15 08:28:00,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:28:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:28:00,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-15 08:28:00,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:00,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:28:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:00,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:28:00,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:00,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:00,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:28:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:00,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:00,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:28:00,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:00,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:00,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:28:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:28:00,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 08:28:00,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:28:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:28:00,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:00,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:28:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:28:00,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 08:28:00,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:28:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 08:28:00,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:00,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 08:28:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:00,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:28:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 08:28:00,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:28:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:28:00,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:00,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 08:28:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:00,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:28:00,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 08:28:00,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:28:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:28:00,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:00,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 08:28:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 08:28:00,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:00,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 08:28:00,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:28:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 08:28:00,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:00,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:28:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 08:28:00,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:28:00,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:00,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:28:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:28:00,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:00,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:28:00,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:00,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:00,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 08:28:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:00,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:00,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:00,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:28:00,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:00,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 08:28:00,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:00,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 08:28:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:28:00,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 08:28:01,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89431695] [2020-10-15 08:28:01,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:28:01,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 08:28:01,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305455944] [2020-10-15 08:28:01,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 08:28:01,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:28:01,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 08:28:01,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-15 08:28:01,029 INFO L87 Difference]: Start difference. First operand 545 states. Second operand 11 states. [2020-10-15 08:28:06,055 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-15 08:28:09,370 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-15 08:28:09,860 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-15 08:28:10,249 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-15 08:28:17,116 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-15 08:28:22,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:28:22,247 INFO L93 Difference]: Finished difference Result 1910 states and 2633 transitions. [2020-10-15 08:28:22,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 08:28:22,249 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-10-15 08:28:22,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:28:22,278 INFO L225 Difference]: With dead ends: 1910 [2020-10-15 08:28:22,278 INFO L226 Difference]: Without dead ends: 1356 [2020-10-15 08:28:22,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2020-10-15 08:28:22,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2020-10-15 08:28:22,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1007. [2020-10-15 08:28:22,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1007 states. [2020-10-15 08:28:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1260 transitions. [2020-10-15 08:28:22,554 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1260 transitions. Word has length 66 [2020-10-15 08:28:22,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:28:22,555 INFO L479 AbstractCegarLoop]: Abstraction has 1007 states and 1260 transitions. [2020-10-15 08:28:22,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 08:28:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1260 transitions. [2020-10-15 08:28:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-15 08:28:22,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:28:22,569 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2020-10-15 08:28:22,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 08:28:22,570 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:28:22,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:28:22,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1492301407, now seen corresponding path program 1 times [2020-10-15 08:28:22,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:28:22,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793903077] [2020-10-15 08:28:22,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:28:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:22,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:22,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:22,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:23,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:23,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:26,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:27,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:27,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-15 08:28:27,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 08:28:27,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-15 08:28:27,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:27,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 08:28:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-15 08:28:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 08:28:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:28:28,117 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-15 08:28:28,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:28:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:28,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:28,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:28,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:28:28,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 08:28:28,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:28,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:28,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:28,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:28:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:28,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:28,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:28,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:28,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:28,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:28:28,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:28,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:28,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:28,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:28,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:28:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:28,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:28,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:28,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:28,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:28:28,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:28,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:28,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:28,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:28:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:28,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:28,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:28,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:28:28,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:28,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:28:28,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:28,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:28,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:28,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 08:28:28,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:28:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:28,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:28,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:28,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:28:28,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:28,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:28:28,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:28,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:28,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:28,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:28,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 08:28:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:28,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:28,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:28,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:28,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:28,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:28:28,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 08:28:28,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:28,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 08:28:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:28:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:28:28,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:28,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 08:28:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:28,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:28,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:28,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:28,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:28,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:28:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:28:28,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:28,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 08:28:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:28:28,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:28:28,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:28:28,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 08:28:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:28,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:28,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:29,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:29,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-15 08:28:29,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:28:29,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1208 [2020-10-15 08:28:29,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:29,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 08:28:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-15 08:28:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 08:28:29,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:29,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 08:28:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:29,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:29,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:29,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 08:28:29,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:29,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:28:29,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:29,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:29,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:28:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:29,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:29,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:29,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:28:29,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:29,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:28:29,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:29,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:29,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 60 [2020-10-15 08:28:29,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 08:28:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:29,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:29,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:29,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 08:28:29,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:29,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:28:29,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:29,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:29,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:29,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:28:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:29,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:29,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:29,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:29,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:29,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:28:29,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:29,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:29,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:29,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 08:28:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:29,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:29,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:29,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 08:28:29,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:29,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-15 08:28:29,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:29,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:29,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:28:29,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 08:28:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:30,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:28:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:30,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:30,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:30,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:30,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:30,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 08:28:30,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:30,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 08:28:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:28:30,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:30,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 08:28:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:30,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:30,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:30,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:28:30,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 08:28:30,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:30,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:28:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:28:30,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:30,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 08:28:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:30,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:30,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:30,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:28:30,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:30,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:28:30,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:30,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:28:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:30,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:30,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 08:28:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:30,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:30,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:30,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 08:28:30,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:30,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 08:28:30,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:30,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:30,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:30,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 08:28:30,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:30,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:30,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:28:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:28:30,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:28:30,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:28:30,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:28:30,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:28:30,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:28:30,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:28:30,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:28:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:28:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:28:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:28:30,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:28:30,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 08:28:30,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 08:28:30,253 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 33 more [2020-10-15 08:28:30,262 INFO L168 Benchmark]: Toolchain (without parser) took 41567.23 ms. Allocated memory was 146.3 MB in the beginning and 749.2 MB in the end (delta: 602.9 MB). Free memory was 94.3 MB in the beginning and 579.7 MB in the end (delta: -485.4 MB). Peak memory consumption was 117.5 MB. Max. memory is 7.1 GB. [2020-10-15 08:28:30,264 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. [2020-10-15 08:28:30,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1931.44 ms. Allocated memory was 146.3 MB in the beginning and 242.2 MB in the end (delta: 95.9 MB). Free memory was 93.8 MB in the beginning and 197.2 MB in the end (delta: -103.3 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-10-15 08:28:30,271 INFO L168 Benchmark]: Boogie Preprocessor took 301.49 ms. Allocated memory is still 242.2 MB. Free memory was 197.2 MB in the beginning and 187.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-10-15 08:28:30,272 INFO L168 Benchmark]: RCFGBuilder took 3147.63 ms. Allocated memory was 242.2 MB in the beginning and 312.5 MB in the end (delta: 70.3 MB). Free memory was 187.6 MB in the beginning and 208.5 MB in the end (delta: -20.8 MB). Peak memory consumption was 125.1 MB. Max. memory is 7.1 GB. [2020-10-15 08:28:30,272 INFO L168 Benchmark]: TraceAbstraction took 36181.54 ms. Allocated memory was 312.5 MB in the beginning and 749.2 MB in the end (delta: 436.7 MB). Free memory was 208.5 MB in the beginning and 579.7 MB in the end (delta: -371.2 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB. [2020-10-15 08:28:30,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1931.44 ms. Allocated memory was 146.3 MB in the beginning and 242.2 MB in the end (delta: 95.9 MB). Free memory was 93.8 MB in the beginning and 197.2 MB in the end (delta: -103.3 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 301.49 ms. Allocated memory is still 242.2 MB. Free memory was 197.2 MB in the beginning and 187.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3147.63 ms. Allocated memory was 242.2 MB in the beginning and 312.5 MB in the end (delta: 70.3 MB). Free memory was 187.6 MB in the beginning and 208.5 MB in the end (delta: -20.8 MB). Peak memory consumption was 125.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36181.54 ms. Allocated memory was 312.5 MB in the beginning and 749.2 MB in the end (delta: 436.7 MB). Free memory was 208.5 MB in the beginning and 579.7 MB in the end (delta: -371.2 MB). Peak memory consumption was 65.6 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...