/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=NARROWEST --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-3.0/usb_urb-drivers-video-arkfb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:48:51,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:48:51,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:48:51,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:48:51,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:48:51,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:48:51,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:48:51,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:48:51,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:48:51,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:48:51,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:48:51,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:48:51,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:48:51,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:48:51,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:48:51,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:48:51,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:48:51,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:48:51,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:48:51,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:48:51,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:48:51,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:48:51,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:48:51,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:48:51,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:48:51,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:48:51,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:48:51,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:48:51,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:48:51,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:48:51,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:48:51,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:48:51,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:48:51,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:48:51,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:48:51,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:48:51,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:48:51,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:48:51,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:48:51,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:48:51,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:48:51,432 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 [2020-10-13 17:48:51,475 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:48:51,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:48:51,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:48:51,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:48:51,478 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:48:51,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:48:51,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:48:51,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:48:51,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:48:51,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:48:51,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:48:51,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:48:51,480 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:48:51,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:48:51,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:48:51,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:48:51,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:48:51,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:48:51,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:48:51,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:48:51,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:48:51,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:48:51,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:48:51,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:48:51,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:48:51,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:48:51,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:48:51,484 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:48:51,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:48:51,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:48:51,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:48:51,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:48:51,835 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:48:51,835 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-video-arkfb.ko.cil.out.i [2020-10-13 17:48:51,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a97b45cad/9eb3633ee2a14588b069cd2ab36cb5ca/FLAG5a36dfaa1 [2020-10-13 17:48:52,631 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:48:52,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-video-arkfb.ko.cil.out.i [2020-10-13 17:48:52,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a97b45cad/9eb3633ee2a14588b069cd2ab36cb5ca/FLAG5a36dfaa1 [2020-10-13 17:48:53,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a97b45cad/9eb3633ee2a14588b069cd2ab36cb5ca [2020-10-13 17:48:53,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:48:53,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:48:53,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:48:53,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:48:53,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:48:53,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:48:53" (1/1) ... [2020-10-13 17:48:53,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b78d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:53, skipping insertion in model container [2020-10-13 17:48:53,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:48:53" (1/1) ... [2020-10-13 17:48:53,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:48:53,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:48:54,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:48:54,724 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:48:55,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:48:55,605 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:48:55,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:55 WrapperNode [2020-10-13 17:48:55,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:48:55,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:48:55,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:48:55,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:48:55,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:55" (1/1) ... [2020-10-13 17:48:55,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:55" (1/1) ... [2020-10-13 17:48:55,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:55" (1/1) ... [2020-10-13 17:48:55,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:55" (1/1) ... [2020-10-13 17:48:55,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:55" (1/1) ... [2020-10-13 17:48:55,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:55" (1/1) ... [2020-10-13 17:48:55,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:55" (1/1) ... [2020-10-13 17:48:55,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:48:55,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:48:55,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:48:55,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:48:55,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:55" (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 [2020-10-13 17:48:56,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:48:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:48:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-13 17:48:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2020-10-13 17:48:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-13 17:48:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~int [2020-10-13 17:48:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:48:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2020-10-13 17:48:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-10-13 17:48:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-10-13 17:48:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2020-10-13 17:48:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __writeb [2020-10-13 17:48:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2020-10-13 17:48:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_io [2020-10-13 17:48:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-13 17:48:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-13 17:48:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2020-10-13 17:48:56,051 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2020-10-13 17:48:56,051 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2020-10-13 17:48:56,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-13 17:48:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-13 17:48:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:48:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:48:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-10-13 17:48:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_bus_to_resource [2020-10-13 17:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-13 17:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-13 17:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2020-10-13 17:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_io_r [2020-10-13 17:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_io_w [2020-10-13 17:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_io_w_fast [2020-10-13 17:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_mm_r [2020-10-13 17:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_mm_w [2020-10-13 17:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_mm_w_fast [2020-10-13 17:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_r [2020-10-13 17:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w [2020-10-13 17:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w_fast [2020-10-13 17:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rcrt [2020-10-13 17:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wcrt [2020-10-13 17:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rseq [2020-10-13 17:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wseq [2020-10-13 17:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wgfx [2020-10-13 17:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wseq_mask [2020-10-13 17:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_mask [2020-10-13 17:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_primary_device [2020-10-13 17:48:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_settile [2020-10-13 17:48:56,057 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_tilecursor [2020-10-13 17:48:56,057 INFO L138 BoogieDeclarations]: Found implementation of procedure expand_color [2020-10-13 17:48:56,057 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_iplan_imageblit [2020-10-13 17:48:56,057 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_iplan_fillrect [2020-10-13 17:48:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure expand_pixel [2020-10-13 17:48:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_cfb4_imageblit [2020-10-13 17:48:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_imageblit [2020-10-13 17:48:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_fillrect [2020-10-13 17:48:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_write_reg [2020-10-13 17:48:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_write_regs [2020-10-13 17:48:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_set_mode [2020-10-13 17:48:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_set_freq [2020-10-13 17:48:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_release [2020-10-13 17:48:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_set_mode [2020-10-13 17:48:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_set_freq [2020-10-13 17:48:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_release [2020-10-13 17:48:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_init [2020-10-13 17:48:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_dac_read_regs [2020-10-13 17:48:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_dac_write_regs [2020-10-13 17:48:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_set_pixclock [2020-10-13 17:48:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_open [2020-10-13 17:48:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_release [2020-10-13 17:48:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_check_var [2020-10-13 17:48:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_set_par [2020-10-13 17:48:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_setcolreg [2020-10-13 17:48:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_blank [2020-10-13 17:48:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_pan_display [2020-10-13 17:48:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_pci_probe [2020-10-13 17:48:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_pci_remove [2020-10-13 17:48:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_pci_suspend [2020-10-13 17:48:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_pci_resume [2020-10-13 17:48:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_cleanup [2020-10-13 17:48:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_init [2020-10-13 17:48:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-13 17:48:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-13 17:48:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:48:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-13 17:48:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-13 17:48:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-13 17:48:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-13 17:48:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-13 17:48:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 17:48:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:48:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-13 17:48:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:48:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:48:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-13 17:48:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-13 17:48:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-13 17:48:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_fillrect [2020-10-13 17:48:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_imageblit [2020-10-13 17:48:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2020-10-13 17:48:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2020-10-13 17:48:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 17:48:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 17:48:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 17:48:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2020-10-13 17:48:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2020-10-13 17:48:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2020-10-13 17:48:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2020-10-13 17:48:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2020-10-13 17:48:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2020-10-13 17:48:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-13 17:48:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:48:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-13 17:48:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mtrr_add [2020-10-13 17:48:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mtrr_del [2020-10-13 17:48:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-13 17:48:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 17:48:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-10-13 17:48:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-10-13 17:48:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-13 17:48:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-13 17:48:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2020-10-13 17:48:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2020-10-13 17:48:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-13 17:48:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-13 17:48:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-10-13 17:48:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-10-13 17:48:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2020-10-13 17:48:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-10-13 17:48:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-13 17:48:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:48:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2020-10-13 17:48:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure restore_vga [2020-10-13 17:48:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure save_vga [2020-10-13 17:48:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_check_timings [2020-10-13 17:48:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_compute_pll [2020-10-13 17:48:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_match_format [2020-10-13 17:48:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_default_atc_regs [2020-10-13 17:48:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_default_crt_regs [2020-10-13 17:48:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_default_gfx_regs [2020-10-13 17:48:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_default_seq_regs [2020-10-13 17:48:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_textmode_vga_regs [2020-10-13 17:48:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_timings [2020-10-13 17:48:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_tilecursor [2020-10-13 17:48:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_multi [2020-10-13 17:48:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2020-10-13 17:48:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:48:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 17:48:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-13 17:48:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:48:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:48:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-13 17:48:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 17:48:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-13 17:48:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2020-10-13 17:48:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-13 17:48:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-13 17:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-13 17:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 17:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-10-13 17:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-10-13 17:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2020-10-13 17:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure __writeb [2020-10-13 17:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2020-10-13 17:48:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2020-10-13 17:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2020-10-13 17:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure memset_io [2020-10-13 17:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 17:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-13 17:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-13 17:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2020-10-13 17:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2020-10-13 17:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2020-10-13 17:48:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:48:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-13 17:48:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-13 17:48:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-13 17:48:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-13 17:48:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 17:48:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 17:48:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 17:48:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-13 17:48:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:48:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:48:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:48:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:48:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_fillrect [2020-10-13 17:48:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_copyarea [2020-10-13 17:48:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_imageblit [2020-10-13 17:48:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2020-10-13 17:48:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2020-10-13 17:48:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2020-10-13 17:48:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2020-10-13 17:48:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2020-10-13 17:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2020-10-13 17:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2020-10-13 17:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2020-10-13 17:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-10-13 17:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-10-13 17:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-13 17:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-13 17:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-13 17:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-10-13 17:48:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-10-13 17:48:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-10-13 17:48:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-10-13 17:48:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-13 17:48:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-13 17:48:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-13 17:48:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-13 17:48:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_bus_to_resource [2020-10-13 17:48:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:48:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-13 17:48:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-13 17:48:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2020-10-13 17:48:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure save_vga [2020-10-13 17:48:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure restore_vga [2020-10-13 17:48:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure vga_io_r [2020-10-13 17:48:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure vga_io_w [2020-10-13 17:48:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure vga_io_w_fast [2020-10-13 17:48:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure vga_mm_r [2020-10-13 17:48:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure vga_mm_w [2020-10-13 17:48:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure vga_mm_w_fast [2020-10-13 17:48:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure vga_r [2020-10-13 17:48:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w [2020-10-13 17:48:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w_fast [2020-10-13 17:48:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rcrt [2020-10-13 17:48:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wcrt [2020-10-13 17:48:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rseq [2020-10-13 17:48:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wseq [2020-10-13 17:48:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wgfx [2020-10-13 17:48:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wseq_mask [2020-10-13 17:48:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_mask [2020-10-13 17:48:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure svga_primary_device [2020-10-13 17:48:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:48:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:48:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_multi [2020-10-13 17:48:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_default_gfx_regs [2020-10-13 17:48:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_default_atc_regs [2020-10-13 17:48:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_default_seq_regs [2020-10-13 17:48:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_default_crt_regs [2020-10-13 17:48:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_textmode_vga_regs [2020-10-13 17:48:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure svga_tilecopy [2020-10-13 17:48:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure svga_tilefill [2020-10-13 17:48:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure svga_tileblit [2020-10-13 17:48:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure svga_tilecursor [2020-10-13 17:48:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure svga_get_tilemax [2020-10-13 17:48:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure svga_get_caps [2020-10-13 17:48:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure svga_compute_pll [2020-10-13 17:48:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure svga_check_timings [2020-10-13 17:48:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_timings [2020-10-13 17:48:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure svga_match_format [2020-10-13 17:48:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2020-10-13 17:48:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2020-10-13 17:48:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure mtrr_add [2020-10-13 17:48:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure mtrr_del [2020-10-13 17:48:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_settile [2020-10-13 17:48:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_tilecursor [2020-10-13 17:48:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure expand_color [2020-10-13 17:48:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_iplan_imageblit [2020-10-13 17:48:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_iplan_fillrect [2020-10-13 17:48:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure expand_pixel [2020-10-13 17:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_cfb4_imageblit [2020-10-13 17:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_imageblit [2020-10-13 17:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_fillrect [2020-10-13 17:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure dac_write_reg [2020-10-13 17:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2020-10-13 17:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure dac_write_regs [2020-10-13 17:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure dac_set_mode [2020-10-13 17:48:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-13 17:48:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure dac_set_freq [2020-10-13 17:48:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~int [2020-10-13 17:48:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure dac_release [2020-10-13 17:48:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:48:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_set_mode [2020-10-13 17:48:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_set_freq [2020-10-13 17:48:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_release [2020-10-13 17:48:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_init [2020-10-13 17:48:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:48:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure ark_dac_read_regs [2020-10-13 17:48:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure ark_dac_write_regs [2020-10-13 17:48:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure ark_set_pixclock [2020-10-13 17:48:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_open [2020-10-13 17:48:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_release [2020-10-13 17:48:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_check_var [2020-10-13 17:48:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_set_par [2020-10-13 17:48:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_setcolreg [2020-10-13 17:48:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_blank [2020-10-13 17:48:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_pan_display [2020-10-13 17:48:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure ark_pci_probe [2020-10-13 17:48:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-13 17:48:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure ark_pci_remove [2020-10-13 17:48:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure ark_pci_suspend [2020-10-13 17:48:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure ark_pci_resume [2020-10-13 17:48:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_cleanup [2020-10-13 17:48:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_init [2020-10-13 17:48:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:48:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-13 17:48:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:48:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:48:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:48:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-13 17:48:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-13 17:48:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-13 17:48:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 17:48:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-13 17:48:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-13 17:48:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-13 17:48:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 17:48:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:48:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:48:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:48:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:48:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:48:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:48:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:48:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:48:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 17:48:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 17:48:58,046 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:49:00,100 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2020-10-13 17:49:00,100 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2020-10-13 17:49:00,190 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-13 17:49:06,983 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:49:07,047 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume !false; [2020-10-13 17:49:07,047 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume false; [2020-10-13 17:49:07,493 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:49:07,550 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-13 17:49:07,550 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-13 17:49:09,816 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:49:09,816 INFO L295 CfgBuilder]: Removed 33 assume(true) statements. [2020-10-13 17:49:09,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:49:09 BoogieIcfgContainer [2020-10-13 17:49:09,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:49:09,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:49:09,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:49:09,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:49:09,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:48:53" (1/3) ... [2020-10-13 17:49:09,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d985ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:49:09, skipping insertion in model container [2020-10-13 17:49:09,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:48:55" (2/3) ... [2020-10-13 17:49:09,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d985ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:49:09, skipping insertion in model container [2020-10-13 17:49:09,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:49:09" (3/3) ... [2020-10-13 17:49:09,846 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-video-arkfb.ko.cil.out.i [2020-10-13 17:49:09,863 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:49:09,876 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:49:09,895 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:49:09,941 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:49:09,941 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:49:09,941 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:49:09,941 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:49:09,942 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:49:09,942 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:49:09,942 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:49:09,942 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:49:10,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states. [2020-10-13 17:49:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-13 17:49:10,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:49:10,027 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:49:10,027 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:49:10,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:49:10,035 INFO L82 PathProgramCache]: Analyzing trace with hash 356910187, now seen corresponding path program 1 times [2020-10-13 17:49:10,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:49:10,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471542077] [2020-10-13 17:49:10,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:49:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:11,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:11,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:16,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:16,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 17:49:16,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:49:16,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5176 [2020-10-13 17:49:16,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:49:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 17:49:21,502 WARN L193 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 1144 [2020-10-13 17:49:21,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:21,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:22,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:22,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:22,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:22,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1413 [2020-10-13 17:49:22,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:22,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:23,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:49:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:23,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:23,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:23,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:49:23,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:23,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:49:23,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:23,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:23,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:49:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:23,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:23,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:23,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:49:23,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 17:49:23,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 17:49:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:23,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:49:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:23,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:23,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:23,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:23,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:23,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:49:23,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:23,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:49:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:23,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:49:23,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471542077] [2020-10-13 17:49:23,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:49:23,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 17:49:23,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380151489] [2020-10-13 17:49:23,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 17:49:23,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:49:23,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 17:49:23,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 17:49:23,329 INFO L87 Difference]: Start difference. First operand 1134 states. Second operand 3 states. [2020-10-13 17:49:56,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:49:56,207 INFO L93 Difference]: Finished difference Result 2462 states and 3338 transitions. [2020-10-13 17:49:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 17:49:56,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-13 17:49:56,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:49:56,289 INFO L225 Difference]: With dead ends: 2462 [2020-10-13 17:49:56,289 INFO L226 Difference]: Without dead ends: 1357 [2020-10-13 17:49:56,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 17:49:56,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2020-10-13 17:49:56,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1103. [2020-10-13 17:49:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1103 states. [2020-10-13 17:49:57,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1377 transitions. [2020-10-13 17:49:57,006 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1377 transitions. Word has length 25 [2020-10-13 17:49:57,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:49:57,006 INFO L479 AbstractCegarLoop]: Abstraction has 1103 states and 1377 transitions. [2020-10-13 17:49:57,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 17:49:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1377 transitions. [2020-10-13 17:49:57,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 17:49:57,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:49:57,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:49:57,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:49:57,008 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:49:57,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:49:57,009 INFO L82 PathProgramCache]: Analyzing trace with hash -2070149454, now seen corresponding path program 1 times [2020-10-13 17:49:57,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:49:57,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090280966] [2020-10-13 17:49:57,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:49:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:57,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:00,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:05,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:05,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 17:50:05,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:50:05,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8723 [2020-10-13 17:50:05,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:05,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:50:05,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:05,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 17:50:05,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:50:11,708 WARN L193 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 1144 [2020-10-13 17:50:11,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:12,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:14,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:14,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:14,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:14,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2903 [2020-10-13 17:50:14,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:50:14,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:14,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:50:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:14,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:14,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:14,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:50:14,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:14,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:50:14,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:14,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:14,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:14,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:50:14,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:14,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:50:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:14,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:15,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:15,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 17:50:15,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:15,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 17:50:15,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:50:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 17:50:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:50:15,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:50:15,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 17:50:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:15,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:15,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:15,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:15,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:15,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:50:15,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:15,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:50:15,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090280966] [2020-10-13 17:50:15,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:50:15,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 17:50:15,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208850976] [2020-10-13 17:50:15,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 17:50:15,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:50:15,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 17:50:15,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 17:50:15,135 INFO L87 Difference]: Start difference. First operand 1103 states and 1377 transitions. Second operand 6 states. [2020-10-13 17:50:22,616 WARN L193 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 1151 [2020-10-13 17:50:32,932 WARN L193 SmtUtils]: Spent 10.13 s on a formula simplification. DAG size of input: 1155 DAG size of output: 1153 [2020-10-13 17:51:30,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:51:30,050 INFO L93 Difference]: Finished difference Result 2889 states and 3653 transitions. [2020-10-13 17:51:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 17:51:30,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-13 17:51:30,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:51:30,064 INFO L225 Difference]: With dead ends: 2889 [2020-10-13 17:51:30,066 INFO L226 Difference]: Without dead ends: 1800 [2020-10-13 17:51:30,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 20.7s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 17:51:30,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2020-10-13 17:51:30,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1626. [2020-10-13 17:51:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1626 states. [2020-10-13 17:51:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 2043 transitions. [2020-10-13 17:51:31,001 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 2043 transitions. Word has length 27 [2020-10-13 17:51:31,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:51:31,002 INFO L479 AbstractCegarLoop]: Abstraction has 1626 states and 2043 transitions. [2020-10-13 17:51:31,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 17:51:31,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2043 transitions. [2020-10-13 17:51:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 17:51:31,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:51:31,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:51:31,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 17:51:31,004 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:51:31,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:51:31,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1213700592, now seen corresponding path program 1 times [2020-10-13 17:51:31,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:51:31,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328400116] [2020-10-13 17:51:31,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:51:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:31,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:35,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:35,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 17:51:35,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:35,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4069 [2020-10-13 17:51:35,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:51:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:51:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 17:51:35,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:40,510 WARN L193 SmtUtils]: Spent 5.02 s on a formula simplification that was a NOOP. DAG size: 1144 [2020-10-13 17:51:40,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:51:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:40,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:42,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:42,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:51:42,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:42,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1821 [2020-10-13 17:51:42,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:42,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:51:42,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:42,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:51:42,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:51:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:42,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:42,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:42,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:51:42,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:42,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:51:42,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:51:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:51:42,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:42,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:51:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:42,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:42,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:42,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 17:51:42,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:42,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 17:51:42,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:51:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 17:51:42,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:42,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 17:51:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:42,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:42,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:42,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:51:42,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:42,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:51:42,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:42,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:51:42,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328400116] [2020-10-13 17:51:42,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:51:42,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 17:51:42,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868391563] [2020-10-13 17:51:42,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 17:51:42,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:51:42,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 17:51:42,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 17:51:42,694 INFO L87 Difference]: Start difference. First operand 1626 states and 2043 transitions. Second operand 4 states. [2020-10-13 17:51:50,439 WARN L193 SmtUtils]: Spent 5.16 s on a formula simplification that was a NOOP. DAG size: 1146 [2020-10-13 17:52:20,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:52:20,288 INFO L93 Difference]: Finished difference Result 1755 states and 2231 transitions. [2020-10-13 17:52:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 17:52:20,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-13 17:52:20,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:52:20,302 INFO L225 Difference]: With dead ends: 1755 [2020-10-13 17:52:20,303 INFO L226 Difference]: Without dead ends: 1752 [2020-10-13 17:52:20,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:52:20,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2020-10-13 17:52:21,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1625. [2020-10-13 17:52:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1625 states. [2020-10-13 17:52:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2041 transitions. [2020-10-13 17:52:21,432 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 2041 transitions. Word has length 27 [2020-10-13 17:52:21,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:52:21,433 INFO L479 AbstractCegarLoop]: Abstraction has 1625 states and 2041 transitions. [2020-10-13 17:52:21,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 17:52:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2041 transitions. [2020-10-13 17:52:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 17:52:21,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:52:21,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:52:21,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 17:52:21,434 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:52:21,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:52:21,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1030562758, now seen corresponding path program 1 times [2020-10-13 17:52:21,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:52:21,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328804325] [2020-10-13 17:52:21,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:52:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:52:21,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:52:24,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:52:24,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 17:52:24,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:52:24,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3173 [2020-10-13 17:52:24,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:52:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:52:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:52:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 17:52:24,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:52:30,095 WARN L193 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 1144 [2020-10-13 17:52:30,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:52:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:52:30,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:52:31,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:52:31,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:52:31,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:52:31,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1806 [2020-10-13 17:52:31,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:52:31,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:52:31,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:52:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:52:31,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:52:32,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:52:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:52:32,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:52:32,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:52:32,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:52:32,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:52:32,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:52:32,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:52:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:52:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:52:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:52:32,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:52:32,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:52:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:52:32,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:52:32,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:52:32,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 17:52:32,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:52:32,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:52:32,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:52:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:52:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:52:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 17:52:32,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 93 [2020-10-13 17:52:32,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 17:52:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:52:32,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:52:32,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:52:32,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:52:32,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:52:32,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:52:32,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:52:32,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:52:32,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:52:32,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:52:32,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:52:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:52:32,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328804325] [2020-10-13 17:52:32,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:52:32,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 17:52:32,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365990506] [2020-10-13 17:52:32,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 17:52:32,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:52:32,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 17:52:32,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 17:52:32,300 INFO L87 Difference]: Start difference. First operand 1625 states and 2041 transitions. Second operand 4 states. [2020-10-13 17:52:40,063 WARN L193 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 1146