/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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 06:54:46,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 06:54:46,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 06:54:46,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 06:54:46,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 06:54:46,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 06:54:46,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 06:54:46,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 06:54:46,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 06:54:46,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 06:54:46,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 06:54:46,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 06:54:46,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 06:54:46,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 06:54:46,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 06:54:46,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 06:54:46,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 06:54:46,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 06:54:46,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 06:54:46,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 06:54:46,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 06:54:46,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 06:54:46,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 06:54:46,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 06:54:46,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 06:54:46,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 06:54:46,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 06:54:46,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 06:54:46,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 06:54:46,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 06:54:46,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 06:54:46,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 06:54:46,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 06:54:46,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 06:54:46,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 06:54:46,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 06:54:46,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 06:54:46,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 06:54:46,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 06:54:46,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 06:54:46,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 06:54:46,847 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 06:54:46,887 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 06:54:46,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 06:54:46,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 06:54:46,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 06:54:46,890 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 06:54:46,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 06:54:46,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 06:54:46,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 06:54:46,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 06:54:46,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 06:54:46,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 06:54:46,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 06:54:46,892 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 06:54:46,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 06:54:46,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 06:54:46,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 06:54:46,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 06:54:46,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 06:54:46,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:54:46,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 06:54:46,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 06:54:46,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 06:54:46,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 06:54:46,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 06:54:46,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 06:54:46,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 06:54:46,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 06:54:46,895 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 06:54:47,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 06:54:47,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 06:54:47,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 06:54:47,221 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 06:54:47,221 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 06:54:47,222 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2020-10-15 06:54:47,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8cec439c/b2aec1927aae4b00b2825dac5aae09a4/FLAGe84b1267f [2020-10-15 06:54:48,150 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 06:54:48,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2020-10-15 06:54:48,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8cec439c/b2aec1927aae4b00b2825dac5aae09a4/FLAGe84b1267f [2020-10-15 06:54:48,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8cec439c/b2aec1927aae4b00b2825dac5aae09a4 [2020-10-15 06:54:48,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 06:54:48,611 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 06:54:48,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 06:54:48,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 06:54:48,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 06:54:48,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:54:48" (1/1) ... [2020-10-15 06:54:48,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2368f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:48, skipping insertion in model container [2020-10-15 06:54:48,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:54:48" (1/1) ... [2020-10-15 06:54:48,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 06:54:48,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 06:54:50,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:54:50,963 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 06:54:51,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:54:51,818 INFO L208 MainTranslator]: Completed translation [2020-10-15 06:54:51,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51 WrapperNode [2020-10-15 06:54:51,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 06:54:51,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 06:54:51,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 06:54:51,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 06:54:51,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2020-10-15 06:54:51,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2020-10-15 06:54:51,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2020-10-15 06:54:51,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2020-10-15 06:54:52,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2020-10-15 06:54:52,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2020-10-15 06:54:52,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2020-10-15 06:54:52,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 06:54:52,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 06:54:52,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 06:54:52,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 06:54:52,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (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 06:54:52,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 06:54:52,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 06:54:52,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-15 06:54:52,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-15 06:54:52,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-15 06:54:52,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-15 06:54:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-15 06:54:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 06:54:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-15 06:54:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-15 06:54:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-15 06:54:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-15 06:54:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-15 06:54:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-15 06:54:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-15 06:54:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-15 06:54:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-15 06:54:52,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 06:54:52,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-15 06:54:52,272 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-15 06:54:52,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-15 06:54:52,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-15 06:54:52,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 06:54:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 06:54:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 06:54:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 06:54:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 06:54:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 06:54:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 06:54:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 06:54:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 06:54:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 06:54:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 06:54:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 06:54:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-15 06:54:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-15 06:54:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-15 06:54:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-15 06:54:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-10-15 06:54:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-10-15 06:54:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-10-15 06:54:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-10-15 06:54:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-15 06:54:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-10-15 06:54:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-15 06:54:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2020-10-15 06:54:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2020-10-15 06:54:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2020-10-15 06:54:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2020-10-15 06:54:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2020-10-15 06:54:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2020-10-15 06:54:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2020-10-15 06:54:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2020-10-15 06:54:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2020-10-15 06:54:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2020-10-15 06:54:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2020-10-15 06:54:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2020-10-15 06:54:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2020-10-15 06:54:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2020-10-15 06:54:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2020-10-15 06:54:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2020-10-15 06:54:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2020-10-15 06:54:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2020-10-15 06:54:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2020-10-15 06:54:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2020-10-15 06:54:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2020-10-15 06:54:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2020-10-15 06:54:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2020-10-15 06:54:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2020-10-15 06:54:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2020-10-15 06:54:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2020-10-15 06:54:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2020-10-15 06:54:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2020-10-15 06:54:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2020-10-15 06:54:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2020-10-15 06:54:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2020-10-15 06:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2020-10-15 06:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2020-10-15 06:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2020-10-15 06:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2020-10-15 06:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2020-10-15 06:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2020-10-15 06:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2020-10-15 06:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2020-10-15 06:54:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2020-10-15 06:54:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2020-10-15 06:54:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2020-10-15 06:54:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2020-10-15 06:54:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_driver_init [2020-10-15 06:54:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_driver_exit [2020-10-15 06:54:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-15 06:54:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 06:54:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-15 06:54:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2020-10-15 06:54:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2020-10-15 06:54:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2020-10-15 06:54:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2020-10-15 06:54:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_6 [2020-10-15 06:54:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2020-10-15 06:54:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_8 [2020-10-15 06:54:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_9 [2020-10-15 06:54:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_10 [2020-10-15 06:54:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_11 [2020-10-15 06:54:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_12 [2020-10-15 06:54:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_13 [2020-10-15 06:54:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2020-10-15 06:54:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2020-10-15 06:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-15 06:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-15 06:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-15 06:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-15 06:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-15 06:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-15 06:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-15 06:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-15 06:54:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-15 06:54:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-15 06:54:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-15 06:54:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-15 06:54:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-15 06:54:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-15 06:54:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-15 06:54:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-15 06:54:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 06:54:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-15 06:54:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-15 06:54:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 06:54:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2020-10-15 06:54:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-15 06:54:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-15 06:54:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-15 06:54:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-15 06:54:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-15 06:54:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2020-10-15 06:54:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2020-10-15 06:54:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2020-10-15 06:54:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2020-10-15 06:54:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2020-10-15 06:54:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2020-10-15 06:54:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2020-10-15 06:54:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2020-10-15 06:54:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2020-10-15 06:54:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2020-10-15 06:54:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2020-10-15 06:54:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2020-10-15 06:54:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-15 06:54:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-15 06:54:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-15 06:54:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-15 06:54:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 06:54:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-15 06:54:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-10-15 06:54:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 06:54:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 06:54:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-15 06:54:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-15 06:54:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-15 06:54:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-15 06:54:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2020-10-15 06:54:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2020-10-15 06:54:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2020-10-15 06:54:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-15 06:54:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-15 06:54:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-15 06:54:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-15 06:54:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-15 06:54:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-15 06:54:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-15 06:54:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-15 06:54:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 06:54:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 06:54:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 06:54:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 06:54:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 06:54:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 06:54:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 06:54:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 06:54:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-15 06:54:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-15 06:54:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-15 06:54:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-15 06:54:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-15 06:54:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-15 06:54:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 06:54:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-15 06:54:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-15 06:54:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-15 06:54:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 06:54:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-15 06:54:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-15 06:54:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 06:54:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-15 06:54:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-15 06:54:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-15 06:54:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 06:54:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-15 06:54:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-15 06:54:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 06:54:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-15 06:54:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-15 06:54:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-10-15 06:54:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 06:54:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2020-10-15 06:54:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-15 06:54:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-15 06:54:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-15 06:54:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_13 [2020-10-15 06:54:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_12 [2020-10-15 06:54:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-15 06:54:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-15 06:54:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 06:54:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-15 06:54:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2020-10-15 06:54:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-15 06:54:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2020-10-15 06:54:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_10 [2020-10-15 06:54:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_6 [2020-10-15 06:54:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_8 [2020-10-15 06:54:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2020-10-15 06:54:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_9 [2020-10-15 06:54:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_11 [2020-10-15 06:54:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2020-10-15 06:54:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2020-10-15 06:54:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2020-10-15 06:54:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2020-10-15 06:54:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-15 06:54:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-15 06:54:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-15 06:54:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-15 06:54:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-15 06:54:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-15 06:54:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 06:54:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-15 06:54:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-15 06:54:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-15 06:54:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-15 06:54:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-15 06:54:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-15 06:54:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-15 06:54:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 06:54:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 06:54:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 06:54:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 06:54:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 06:54:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 06:54:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 06:54:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 06:54:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 06:54:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 06:54:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 06:54:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 06:54:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 06:54:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 06:54:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 06:54:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 06:54:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 06:54:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 06:54:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 06:54:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-15 06:54:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-15 06:54:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-15 06:54:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-15 06:54:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-15 06:54:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-15 06:54:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-15 06:54:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-10-15 06:54:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-15 06:54:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-10-15 06:54:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-15 06:54:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-15 06:54:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-15 06:54:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-15 06:54:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-15 06:54:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-15 06:54:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-15 06:54:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-15 06:54:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-15 06:54:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-15 06:54:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-15 06:54:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-10-15 06:54:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-15 06:54:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2020-10-15 06:54:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2020-10-15 06:54:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2020-10-15 06:54:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2020-10-15 06:54:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2020-10-15 06:54:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2020-10-15 06:54:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2020-10-15 06:54:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2020-10-15 06:54:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2020-10-15 06:54:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2020-10-15 06:54:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2020-10-15 06:54:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2020-10-15 06:54:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2020-10-15 06:54:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2020-10-15 06:54:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2020-10-15 06:54:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2020-10-15 06:54:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2020-10-15 06:54:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2020-10-15 06:54:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 06:54:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 06:54:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 06:54:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2020-10-15 06:54:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2020-10-15 06:54:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-15 06:54:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2020-10-15 06:54:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2020-10-15 06:54:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2020-10-15 06:54:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2020-10-15 06:54:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2020-10-15 06:54:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2020-10-15 06:54:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2020-10-15 06:54:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2020-10-15 06:54:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2020-10-15 06:54:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2020-10-15 06:54:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2020-10-15 06:54:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2020-10-15 06:54:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2020-10-15 06:54:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2020-10-15 06:54:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2020-10-15 06:54:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2020-10-15 06:54:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2020-10-15 06:54:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2020-10-15 06:54:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2020-10-15 06:54:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2020-10-15 06:54:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2020-10-15 06:54:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 06:54:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2020-10-15 06:54:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2020-10-15 06:54:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2020-10-15 06:54:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2020-10-15 06:54:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2020-10-15 06:54:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2020-10-15 06:54:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2020-10-15 06:54:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-15 06:54:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2020-10-15 06:54:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-15 06:54:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 06:54:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2020-10-15 06:54:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2020-10-15 06:54:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2020-10-15 06:54:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2020-10-15 06:54:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2020-10-15 06:54:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2020-10-15 06:54:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2020-10-15 06:54:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2020-10-15 06:54:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_driver_init [2020-10-15 06:54:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_driver_exit [2020-10-15 06:54:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 06:54:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 06:54:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 06:54:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-15 06:54:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-15 06:54:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-15 06:54:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-15 06:54:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-15 06:54:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-15 06:54:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-15 06:54:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-15 06:54:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-15 06:54:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 06:54:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 06:54:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 06:54:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 06:54:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 06:54:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 06:54:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 06:54:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 06:54:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 06:54:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 06:54:53,472 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 06:55:00,887 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-15 06:55:03,304 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 06:55:03,304 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 06:55:03,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:55:03 BoogieIcfgContainer [2020-10-15 06:55:03,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 06:55:03,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 06:55:03,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 06:55:03,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 06:55:03,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:54:48" (1/3) ... [2020-10-15 06:55:03,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebce3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:55:03, skipping insertion in model container [2020-10-15 06:55:03,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (2/3) ... [2020-10-15 06:55:03,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebce3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:55:03, skipping insertion in model container [2020-10-15 06:55:03,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:55:03" (3/3) ... [2020-10-15 06:55:03,329 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2020-10-15 06:55:03,339 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 06:55:03,355 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 06:55:03,370 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 06:55:03,405 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 06:55:03,405 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 06:55:03,406 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 06:55:03,406 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 06:55:03,406 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 06:55:03,406 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 06:55:03,406 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 06:55:03,406 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 06:55:03,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states. [2020-10-15 06:55:03,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-15 06:55:03,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:55:03,474 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:55:03,474 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:55:03,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:55:03,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1756884700, now seen corresponding path program 1 times [2020-10-15 06:55:03,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:55:03,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393005590] [2020-10-15 06:55:03,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:55:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:04,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:05,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:10,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:10,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 06:55:10,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:55:10,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6268 [2020-10-15 06:55:10,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:10,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:55:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-15 06:55:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 06:55:10,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:55:15,456 WARN L193 SmtUtils]: Spent 4.35 s on a formula simplification that was a NOOP. DAG size: 1030 [2020-10-15 06:55:15,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:55:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:15,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:16,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:16,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:55:16,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:55:16,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1048 [2020-10-15 06:55:16,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:16,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:16,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:55:16,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:55:16,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:55:16,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:55:16,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:55:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:16,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:16,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:16,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:55:16,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:55:16,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 06:55:16,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:16,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:55:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:55:16,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:55:16,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:55:16,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 06:55:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:16,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:16,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:16,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:55:16,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:55:16,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 06:55:16,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:16,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:16,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:55:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:55:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:55:16,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:55:16,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 06:55:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:16,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:16,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:16,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:55:16,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:55:16,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 06:55:16,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:16,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:16,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:55:16,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:55:16,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:55:16,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:55:16,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 06:55:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:16,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:16,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:16,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:55:16,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:55:16,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 06:55:16,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:16,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:55:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:55:16,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:55:16,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 06:55:16,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 06:55:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:16,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:16,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:16,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:55:16,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:55:16,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 06:55:16,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:16,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:55:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:55:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:55:16,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:55:17,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 06:55:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:17,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:17,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:17,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:55:17,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:55:17,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 06:55:17,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:17,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:17,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:55:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:55:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:55:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:55:17,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 06:55:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:17,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:17,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:17,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:17,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:55:17,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:55:17,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-15 06:55:17,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:17,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:55:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 06:55:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 06:55:17,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:55:17,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 06:55:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:17,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:17,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:17,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 06:55:17,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:55:17,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 06:55:17,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:17,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:17,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:55:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 06:55:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:55:17,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:55:17,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:55:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:17,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:17,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:55:17,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:55:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-15 06:55:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:17,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:55:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:55:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:55:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:55:17,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:55:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:55:17,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:55:17,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:55:17,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:55:17,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:55:17,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 06:55:17,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:55:17,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:55:17,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:55:17,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:55:17,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:55:17,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:55:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-15 06:55:17,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393005590] [2020-10-15 06:55:17,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:55:17,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 06:55:17,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779321127] [2020-10-15 06:55:17,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 06:55:17,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:55:17,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 06:55:17,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-15 06:55:17,605 INFO L87 Difference]: Start difference. First operand 1546 states. Second operand 9 states. [2020-10-15 06:55:22,087 WARN L193 SmtUtils]: Spent 4.37 s on a formula simplification that was a NOOP. DAG size: 1039 [2020-10-15 06:55:29,866 WARN L193 SmtUtils]: Spent 4.28 s on a formula simplification that was a NOOP. DAG size: 1042 [2020-10-15 06:55:34,201 WARN L193 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 1044 [2020-10-15 06:55:38,840 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 1041 [2020-10-15 06:55:44,868 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification that was a NOOP. DAG size: 1032 [2020-10-15 06:56:43,606 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 1044 [2020-10-15 06:56:47,966 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 1046 [2020-10-15 06:57:24,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:57:24,965 INFO L93 Difference]: Finished difference Result 4844 states and 6789 transitions. [2020-10-15 06:57:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 06:57:24,967 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2020-10-15 06:57:24,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:57:25,028 INFO L225 Difference]: With dead ends: 4844 [2020-10-15 06:57:25,029 INFO L226 Difference]: Without dead ends: 3451 [2020-10-15 06:57:25,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 34.8s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2020-10-15 06:57:25,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2020-10-15 06:57:26,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 2594. [2020-10-15 06:57:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2594 states. [2020-10-15 06:57:26,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3348 transitions. [2020-10-15 06:57:26,304 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3348 transitions. Word has length 68 [2020-10-15 06:57:26,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:57:26,307 INFO L479 AbstractCegarLoop]: Abstraction has 2594 states and 3348 transitions. [2020-10-15 06:57:26,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 06:57:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3348 transitions. [2020-10-15 06:57:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-15 06:57:26,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:57:26,322 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:57:26,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 06:57:26,323 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:57:26,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:57:26,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1841707138, now seen corresponding path program 1 times [2020-10-15 06:57:26,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:57:26,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335556965] [2020-10-15 06:57:26,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:57:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:26,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:29,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:32,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:32,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-15 06:57:32,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:57:32,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6144 [2020-10-15 06:57:32,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:32,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:57:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:57:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-15 06:57:32,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:37,226 WARN L193 SmtUtils]: Spent 4.13 s on a formula simplification that was a NOOP. DAG size: 1030 [2020-10-15 06:57:37,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:57:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:37,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:39,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:39,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:57:39,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:39,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1811 [2020-10-15 06:57:39,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:39,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:57:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:57:39,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:39,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:57:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:39,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:39,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:39,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:57:39,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 06:57:39,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:39,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:39,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:57:39,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:39,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 06:57:39,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:39,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 06:57:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:39,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:39,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:39,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:57:39,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 06:57:39,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:39,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:57:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 06:57:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:39,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 06:57:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:39,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:39,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:39,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:57:39,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 06:57:39,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:39,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:57:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 06:57:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:57:39,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 06:57:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:39,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:39,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:39,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:57:39,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:39,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 06:57:39,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:39,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:57:39,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:39,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 06:57:39,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:39,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 06:57:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:39,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:39,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:39,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:57:39,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:39,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 06:57:39,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:39,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:57:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 06:57:39,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:39,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 06:57:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:39,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:39,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:39,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:57:39,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:39,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 06:57:39,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:39,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:57:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:57:39,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:39,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 06:57:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:39,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:39,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:39,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 06:57:39,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:39,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-15 06:57:39,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:39,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:57:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 06:57:39,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 06:57:39,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 06:57:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:39,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:39,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:39,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 06:57:39,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:39,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-15 06:57:39,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:39,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:57:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 06:57:39,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:39,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:57:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:39,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:39,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:39,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 06:57:39,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:39,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 06:57:39,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:39,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:39,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:57:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:57:39,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:40,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:57:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:40,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:40,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:40,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:57:40,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:40,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 06:57:40,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:40,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:40,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:57:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:57:40,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:40,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:57:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:40,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:40,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:40,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:57:40,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:40,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 06:57:40,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:40,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:40,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:57:40,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:40,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:57:40,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:40,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:57:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:57:40,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:57:40,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:57:40,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:57:40,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:57:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 06:57:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:57:40,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:57:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:57:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:57:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:57:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:57:40,218 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-15 06:57:40,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335556965] [2020-10-15 06:57:40,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:57:40,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 06:57:40,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978581936] [2020-10-15 06:57:40,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 06:57:40,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:57:40,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 06:57:40,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 06:57:40,223 INFO L87 Difference]: Start difference. First operand 2594 states and 3348 transitions. Second operand 8 states. [2020-10-15 06:57:44,428 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 1039 [2020-10-15 06:57:50,928 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 1042 [2020-10-15 06:57:55,437 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification that was a NOOP. DAG size: 1033