/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 04:23:15,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 04:23:15,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 04:23:15,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 04:23:15,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 04:23:15,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 04:23:15,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 04:23:15,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 04:23:15,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 04:23:15,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 04:23:15,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 04:23:15,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 04:23:15,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 04:23:15,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 04:23:15,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 04:23:15,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 04:23:15,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 04:23:15,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 04:23:15,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 04:23:15,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 04:23:15,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 04:23:15,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 04:23:15,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 04:23:15,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 04:23:15,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 04:23:15,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 04:23:15,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 04:23:15,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 04:23:15,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 04:23:15,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 04:23:15,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 04:23:15,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 04:23:15,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 04:23:15,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 04:23:15,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 04:23:15,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 04:23:15,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 04:23:15,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 04:23:15,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 04:23:15,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 04:23:15,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 04:23:15,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-19 04:23:15,842 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 04:23:15,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 04:23:15,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 04:23:15,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 04:23:15,844 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 04:23:15,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 04:23:15,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 04:23:15,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 04:23:15,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 04:23:15,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 04:23:15,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 04:23:15,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 04:23:15,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 04:23:15,846 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 04:23:15,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 04:23:15,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 04:23:15,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 04:23:15,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 04:23:15,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 04:23:15,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 04:23:15,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 04:23:15,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 04:23:15,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 04:23:15,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 04:23:15,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 04:23:15,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 04:23:15,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 04:23:15,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 04:23:15,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 04:23:15,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; [2020-08-19 04:23:16,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 04:23:16,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 04:23:16,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 04:23:16,175 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 04:23:16,176 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 04:23:16,176 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-08-19 04:23:16,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38bed1b81/46a49a97bc1b46af8c26497bd0d1705a/FLAG94c50bcd4 [2020-08-19 04:23:16,809 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 04:23:16,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-08-19 04:23:16,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38bed1b81/46a49a97bc1b46af8c26497bd0d1705a/FLAG94c50bcd4 [2020-08-19 04:23:17,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38bed1b81/46a49a97bc1b46af8c26497bd0d1705a [2020-08-19 04:23:17,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 04:23:17,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 04:23:17,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 04:23:17,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 04:23:17,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 04:23:17,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:23:17" (1/1) ... [2020-08-19 04:23:17,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21af3704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17, skipping insertion in model container [2020-08-19 04:23:17,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:23:17" (1/1) ... [2020-08-19 04:23:17,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 04:23:17,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 04:23:17,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:23:17,530 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 04:23:17,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:23:17,726 INFO L208 MainTranslator]: Completed translation [2020-08-19 04:23:17,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17 WrapperNode [2020-08-19 04:23:17,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 04:23:17,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 04:23:17,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 04:23:17,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 04:23:17,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17" (1/1) ... [2020-08-19 04:23:17,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17" (1/1) ... [2020-08-19 04:23:17,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17" (1/1) ... [2020-08-19 04:23:17,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17" (1/1) ... [2020-08-19 04:23:17,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17" (1/1) ... [2020-08-19 04:23:17,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17" (1/1) ... [2020-08-19 04:23:17,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17" (1/1) ... [2020-08-19 04:23:17,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 04:23:17,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 04:23:17,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 04:23:17,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 04:23:17,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17" (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 [2020-08-19 04:23:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 04:23:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 04:23:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-08-19 04:23:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-08-19 04:23:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-08-19 04:23:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 04:23:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-08-19 04:23:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-08-19 04:23:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-08-19 04:23:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-08-19 04:23:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-08-19 04:23:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-08-19 04:23:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-08-19 04:23:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 04:23:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-08-19 04:23:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 04:23:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-08-19 04:23:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-08-19 04:23:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-08-19 04:23:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-08-19 04:23:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-08-19 04:23:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-08-19 04:23:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-08-19 04:23:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-08-19 04:23:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-08-19 04:23:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-08-19 04:23:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 04:23:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-08-19 04:23:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 04:23:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 04:23:18,126 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-19 04:23:18,234 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-08-19 04:23:18,235 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-08-19 04:23:18,237 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-19 04:23:18,307 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-08-19 04:23:18,307 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-08-19 04:23:18,345 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-19 04:23:18,370 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-08-19 04:23:18,370 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-08-19 04:23:18,385 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-19 04:23:18,554 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-08-19 04:23:18,554 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-08-19 04:23:18,583 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 04:23:18,583 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 04:23:18,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:23:18 BoogieIcfgContainer [2020-08-19 04:23:18,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 04:23:18,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 04:23:18,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 04:23:18,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 04:23:18,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 04:23:17" (1/3) ... [2020-08-19 04:23:18,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ee2c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:23:18, skipping insertion in model container [2020-08-19 04:23:18,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:23:17" (2/3) ... [2020-08-19 04:23:18,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ee2c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:23:18, skipping insertion in model container [2020-08-19 04:23:18,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:23:18" (3/3) ... [2020-08-19 04:23:18,607 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-08-19 04:23:18,617 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 04:23:18,635 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 04:23:18,650 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 04:23:18,672 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 04:23:18,672 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 04:23:18,673 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 04:23:18,673 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 04:23:18,673 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 04:23:18,673 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 04:23:18,673 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 04:23:18,673 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 04:23:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-08-19 04:23:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-19 04:23:18,705 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:18,706 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] [2020-08-19 04:23:18,707 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:18,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:18,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-08-19 04:23:18,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:18,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827758602] [2020-08-19 04:23:18,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:19,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:19,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:19,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827758602] [2020-08-19 04:23:19,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:19,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 04:23:19,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003350046] [2020-08-19 04:23:19,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 04:23:19,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:19,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 04:23:19,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 04:23:19,199 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 5 states. [2020-08-19 04:23:19,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:19,883 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-08-19 04:23:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-19 04:23:19,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-08-19 04:23:19,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:19,902 INFO L225 Difference]: With dead ends: 303 [2020-08-19 04:23:19,902 INFO L226 Difference]: Without dead ends: 157 [2020-08-19 04:23:19,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 04:23:19,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-08-19 04:23:19,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2020-08-19 04:23:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-08-19 04:23:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2020-08-19 04:23:19,983 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 20 [2020-08-19 04:23:19,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:19,984 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2020-08-19 04:23:19,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 04:23:19,984 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2020-08-19 04:23:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-19 04:23:19,985 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:19,985 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] [2020-08-19 04:23:19,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 04:23:19,986 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:19,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:19,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-08-19 04:23:19,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:19,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130151533] [2020-08-19 04:23:19,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:20,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:20,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:20,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:20,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130151533] [2020-08-19 04:23:20,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:20,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-19 04:23:20,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663202541] [2020-08-19 04:23:20,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 04:23:20,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:20,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 04:23:20,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-08-19 04:23:20,331 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 6 states. [2020-08-19 04:23:21,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:21,062 INFO L93 Difference]: Finished difference Result 275 states and 370 transitions. [2020-08-19 04:23:21,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 04:23:21,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-08-19 04:23:21,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:21,067 INFO L225 Difference]: With dead ends: 275 [2020-08-19 04:23:21,067 INFO L226 Difference]: Without dead ends: 219 [2020-08-19 04:23:21,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 04:23:21,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-08-19 04:23:21,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 195. [2020-08-19 04:23:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-08-19 04:23:21,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 259 transitions. [2020-08-19 04:23:21,103 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 259 transitions. Word has length 26 [2020-08-19 04:23:21,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:21,104 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 259 transitions. [2020-08-19 04:23:21,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 04:23:21,104 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 259 transitions. [2020-08-19 04:23:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-19 04:23:21,105 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:21,105 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] [2020-08-19 04:23:21,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 04:23:21,106 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:21,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:21,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-08-19 04:23:21,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:21,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406525345] [2020-08-19 04:23:21,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:21,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:21,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:21,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:21,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406525345] [2020-08-19 04:23:21,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:21,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-19 04:23:21,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534426539] [2020-08-19 04:23:21,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 04:23:21,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:21,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 04:23:21,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-08-19 04:23:21,314 INFO L87 Difference]: Start difference. First operand 195 states and 259 transitions. Second operand 6 states. [2020-08-19 04:23:21,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:21,749 INFO L93 Difference]: Finished difference Result 316 states and 413 transitions. [2020-08-19 04:23:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 04:23:21,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-19 04:23:21,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:21,753 INFO L225 Difference]: With dead ends: 316 [2020-08-19 04:23:21,753 INFO L226 Difference]: Without dead ends: 254 [2020-08-19 04:23:21,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 04:23:21,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-08-19 04:23:21,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 217. [2020-08-19 04:23:21,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-08-19 04:23:21,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 289 transitions. [2020-08-19 04:23:21,786 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 289 transitions. Word has length 27 [2020-08-19 04:23:21,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:21,786 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 289 transitions. [2020-08-19 04:23:21,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 04:23:21,786 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 289 transitions. [2020-08-19 04:23:21,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-08-19 04:23:21,788 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:21,789 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:21,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 04:23:21,789 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:21,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:21,789 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-08-19 04:23:21,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:21,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871550734] [2020-08-19 04:23:21,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:21,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:21,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:21,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:21,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871550734] [2020-08-19 04:23:21,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:21,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-19 04:23:21,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404581529] [2020-08-19 04:23:21,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 04:23:21,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:21,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 04:23:21,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-08-19 04:23:21,966 INFO L87 Difference]: Start difference. First operand 217 states and 289 transitions. Second operand 6 states. [2020-08-19 04:23:22,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:22,500 INFO L93 Difference]: Finished difference Result 220 states and 291 transitions. [2020-08-19 04:23:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 04:23:22,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-08-19 04:23:22,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:22,503 INFO L225 Difference]: With dead ends: 220 [2020-08-19 04:23:22,504 INFO L226 Difference]: Without dead ends: 217 [2020-08-19 04:23:22,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 04:23:22,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-08-19 04:23:22,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-08-19 04:23:22,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-08-19 04:23:22,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2020-08-19 04:23:22,544 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 37 [2020-08-19 04:23:22,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:22,545 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2020-08-19 04:23:22,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 04:23:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2020-08-19 04:23:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-08-19 04:23:22,557 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:22,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:22,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 04:23:22,558 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:22,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:22,559 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-08-19 04:23:22,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:22,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2026038617] [2020-08-19 04:23:22,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:22,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:22,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:22,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:22,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-19 04:23:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:22,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2026038617] [2020-08-19 04:23:22,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:22,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 04:23:22,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684631893] [2020-08-19 04:23:22,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:23:22,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:22,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:23:22,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:23:22,811 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand 8 states. [2020-08-19 04:23:23,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:23,517 INFO L93 Difference]: Finished difference Result 274 states and 356 transitions. [2020-08-19 04:23:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 04:23:23,519 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-08-19 04:23:23,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:23,525 INFO L225 Difference]: With dead ends: 274 [2020-08-19 04:23:23,525 INFO L226 Difference]: Without dead ends: 208 [2020-08-19 04:23:23,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-08-19 04:23:23,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-08-19 04:23:23,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 190. [2020-08-19 04:23:23,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-08-19 04:23:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 250 transitions. [2020-08-19 04:23:23,553 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 250 transitions. Word has length 45 [2020-08-19 04:23:23,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:23,555 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 250 transitions. [2020-08-19 04:23:23,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:23:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 250 transitions. [2020-08-19 04:23:23,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-19 04:23:23,558 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:23,559 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:23,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 04:23:23,559 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:23,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:23,560 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-08-19 04:23:23,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:23,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703472586] [2020-08-19 04:23:23,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:23,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:23,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:23,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:23,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-19 04:23:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:23,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:23:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:23,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 04:23:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:23,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703472586] [2020-08-19 04:23:23,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:23,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 04:23:23,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867318564] [2020-08-19 04:23:23,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:23:23,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:23,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:23:23,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:23:23,769 INFO L87 Difference]: Start difference. First operand 190 states and 250 transitions. Second operand 8 states. [2020-08-19 04:23:24,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:24,223 INFO L93 Difference]: Finished difference Result 258 states and 336 transitions. [2020-08-19 04:23:24,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 04:23:24,223 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-19 04:23:24,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:24,225 INFO L225 Difference]: With dead ends: 258 [2020-08-19 04:23:24,225 INFO L226 Difference]: Without dead ends: 197 [2020-08-19 04:23:24,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-08-19 04:23:24,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-08-19 04:23:24,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2020-08-19 04:23:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-08-19 04:23:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2020-08-19 04:23:24,241 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 51 [2020-08-19 04:23:24,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:24,241 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2020-08-19 04:23:24,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:23:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2020-08-19 04:23:24,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-08-19 04:23:24,243 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:24,243 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:24,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 04:23:24,243 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:24,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:24,244 INFO L82 PathProgramCache]: Analyzing trace with hash 572107035, now seen corresponding path program 1 times [2020-08-19 04:23:24,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:24,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222148204] [2020-08-19 04:23:24,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:24,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:24,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:24,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:24,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-19 04:23:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:24,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:24,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222148204] [2020-08-19 04:23:24,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:24,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-19 04:23:24,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25253100] [2020-08-19 04:23:24,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 04:23:24,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:24,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 04:23:24,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:23:24,450 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand 10 states. [2020-08-19 04:23:25,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:25,332 INFO L93 Difference]: Finished difference Result 243 states and 316 transitions. [2020-08-19 04:23:25,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 04:23:25,335 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2020-08-19 04:23:25,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:25,337 INFO L225 Difference]: With dead ends: 243 [2020-08-19 04:23:25,338 INFO L226 Difference]: Without dead ends: 238 [2020-08-19 04:23:25,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-19 04:23:25,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-08-19 04:23:25,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 205. [2020-08-19 04:23:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-08-19 04:23:25,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2020-08-19 04:23:25,356 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 50 [2020-08-19 04:23:25,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:25,356 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2020-08-19 04:23:25,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 04:23:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2020-08-19 04:23:25,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-19 04:23:25,358 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:25,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:25,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 04:23:25,359 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:25,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:25,359 INFO L82 PathProgramCache]: Analyzing trace with hash 176400751, now seen corresponding path program 1 times [2020-08-19 04:23:25,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:25,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859709435] [2020-08-19 04:23:25,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:25,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:25,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:25,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:25,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-19 04:23:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:25,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:25,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859709435] [2020-08-19 04:23:25,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:25,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-19 04:23:25,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106763668] [2020-08-19 04:23:25,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 04:23:25,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:25,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 04:23:25,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:23:25,616 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand 14 states. [2020-08-19 04:23:26,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:26,989 INFO L93 Difference]: Finished difference Result 246 states and 313 transitions. [2020-08-19 04:23:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 04:23:26,990 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 51 [2020-08-19 04:23:26,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:26,992 INFO L225 Difference]: With dead ends: 246 [2020-08-19 04:23:26,992 INFO L226 Difference]: Without dead ends: 222 [2020-08-19 04:23:26,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2020-08-19 04:23:26,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-08-19 04:23:27,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 188. [2020-08-19 04:23:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-08-19 04:23:27,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 244 transitions. [2020-08-19 04:23:27,015 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 244 transitions. Word has length 51 [2020-08-19 04:23:27,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:27,015 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 244 transitions. [2020-08-19 04:23:27,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 04:23:27,015 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2020-08-19 04:23:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 04:23:27,017 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:27,017 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:27,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 04:23:27,018 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:27,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:27,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1461171158, now seen corresponding path program 1 times [2020-08-19 04:23:27,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:27,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873648221] [2020-08-19 04:23:27,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-19 04:23:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:27,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873648221] [2020-08-19 04:23:27,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:27,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 04:23:27,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025770015] [2020-08-19 04:23:27,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:23:27,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:27,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:23:27,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:23:27,260 INFO L87 Difference]: Start difference. First operand 188 states and 244 transitions. Second operand 8 states. [2020-08-19 04:23:27,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:27,493 INFO L93 Difference]: Finished difference Result 203 states and 262 transitions. [2020-08-19 04:23:27,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-19 04:23:27,494 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-19 04:23:27,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:27,495 INFO L225 Difference]: With dead ends: 203 [2020-08-19 04:23:27,495 INFO L226 Difference]: Without dead ends: 91 [2020-08-19 04:23:27,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:23:27,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-19 04:23:27,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-08-19 04:23:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-19 04:23:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2020-08-19 04:23:27,505 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 52 [2020-08-19 04:23:27,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:27,506 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2020-08-19 04:23:27,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:23:27,506 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2020-08-19 04:23:27,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-19 04:23:27,507 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:27,507 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:27,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 04:23:27,507 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:27,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:27,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1516710605, now seen corresponding path program 1 times [2020-08-19 04:23:27,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:27,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747357149] [2020-08-19 04:23:27,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-19 04:23:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:23:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:23:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:27,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747357149] [2020-08-19 04:23:27,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:27,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-19 04:23:27,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448566867] [2020-08-19 04:23:27,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 04:23:27,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:27,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 04:23:27,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-19 04:23:27,770 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand 11 states. [2020-08-19 04:23:28,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:28,212 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2020-08-19 04:23:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 04:23:28,213 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2020-08-19 04:23:28,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:28,214 INFO L225 Difference]: With dead ends: 119 [2020-08-19 04:23:28,214 INFO L226 Difference]: Without dead ends: 91 [2020-08-19 04:23:28,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-08-19 04:23:28,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-19 04:23:28,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-08-19 04:23:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-19 04:23:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions. [2020-08-19 04:23:28,224 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 59 [2020-08-19 04:23:28,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:28,224 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions. [2020-08-19 04:23:28,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 04:23:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2020-08-19 04:23:28,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-19 04:23:28,225 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:28,226 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:28,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 04:23:28,226 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:28,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:28,226 INFO L82 PathProgramCache]: Analyzing trace with hash -14076392, now seen corresponding path program 1 times [2020-08-19 04:23:28,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:28,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065884010] [2020-08-19 04:23:28,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-19 04:23:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:23:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:23:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:28,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065884010] [2020-08-19 04:23:28,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:28,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 04:23:28,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776893274] [2020-08-19 04:23:28,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 04:23:28,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:28,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 04:23:28,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:23:28,396 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand 9 states. [2020-08-19 04:23:28,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:28,560 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2020-08-19 04:23:28,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 04:23:28,561 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-19 04:23:28,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:28,563 INFO L225 Difference]: With dead ends: 122 [2020-08-19 04:23:28,563 INFO L226 Difference]: Without dead ends: 94 [2020-08-19 04:23:28,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:23:28,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-19 04:23:28,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-08-19 04:23:28,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-19 04:23:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2020-08-19 04:23:28,574 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 61 [2020-08-19 04:23:28,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:28,574 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2020-08-19 04:23:28,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 04:23:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2020-08-19 04:23:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-19 04:23:28,575 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:28,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:28,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-19 04:23:28,576 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:28,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:28,576 INFO L82 PathProgramCache]: Analyzing trace with hash -600882406, now seen corresponding path program 1 times [2020-08-19 04:23:28,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:28,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276069914] [2020-08-19 04:23:28,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-19 04:23:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:23:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:23:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:28,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276069914] [2020-08-19 04:23:28,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:28,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-19 04:23:28,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570718381] [2020-08-19 04:23:28,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 04:23:28,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:28,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 04:23:28,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-08-19 04:23:28,803 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand 12 states. [2020-08-19 04:23:29,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:29,110 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2020-08-19 04:23:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 04:23:29,110 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2020-08-19 04:23:29,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:29,111 INFO L225 Difference]: With dead ends: 112 [2020-08-19 04:23:29,111 INFO L226 Difference]: Without dead ends: 93 [2020-08-19 04:23:29,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:23:29,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-08-19 04:23:29,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2020-08-19 04:23:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-08-19 04:23:29,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2020-08-19 04:23:29,122 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 61 [2020-08-19 04:23:29,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:29,122 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2020-08-19 04:23:29,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 04:23:29,122 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2020-08-19 04:23:29,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-19 04:23:29,123 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:29,123 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:29,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-19 04:23:29,124 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:29,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:29,124 INFO L82 PathProgramCache]: Analyzing trace with hash -673462309, now seen corresponding path program 1 times [2020-08-19 04:23:29,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:29,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425681523] [2020-08-19 04:23:29,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-19 04:23:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:23:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:23:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:29,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425681523] [2020-08-19 04:23:29,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:29,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 04:23:29,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009918185] [2020-08-19 04:23:29,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 04:23:29,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:29,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 04:23:29,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:23:29,324 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 9 states. [2020-08-19 04:23:29,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:29,573 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2020-08-19 04:23:29,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 04:23:29,574 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-19 04:23:29,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:29,576 INFO L225 Difference]: With dead ends: 105 [2020-08-19 04:23:29,577 INFO L226 Difference]: Without dead ends: 100 [2020-08-19 04:23:29,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:23:29,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-08-19 04:23:29,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 91. [2020-08-19 04:23:29,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-19 04:23:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2020-08-19 04:23:29,598 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 62 [2020-08-19 04:23:29,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:29,599 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2020-08-19 04:23:29,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 04:23:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2020-08-19 04:23:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-19 04:23:29,601 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:29,601 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:29,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-19 04:23:29,602 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:29,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:29,602 INFO L82 PathProgramCache]: Analyzing trace with hash 475938380, now seen corresponding path program 1 times [2020-08-19 04:23:29,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:29,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873626743] [2020-08-19 04:23:29,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-19 04:23:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:23:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:23:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:29,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:29,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873626743] [2020-08-19 04:23:29,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:29,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-19 04:23:29,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269044794] [2020-08-19 04:23:29,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 04:23:29,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:29,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 04:23:29,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-08-19 04:23:29,938 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 12 states. [2020-08-19 04:23:30,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:30,307 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2020-08-19 04:23:30,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 04:23:30,308 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-08-19 04:23:30,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:30,309 INFO L225 Difference]: With dead ends: 98 [2020-08-19 04:23:30,309 INFO L226 Difference]: Without dead ends: 91 [2020-08-19 04:23:30,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:23:30,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-19 04:23:30,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-08-19 04:23:30,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-19 04:23:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 97 transitions. [2020-08-19 04:23:30,322 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 97 transitions. Word has length 62 [2020-08-19 04:23:30,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:30,322 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 97 transitions. [2020-08-19 04:23:30,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 04:23:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2020-08-19 04:23:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-19 04:23:30,326 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:30,326 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:30,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-19 04:23:30,327 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:30,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:30,327 INFO L82 PathProgramCache]: Analyzing trace with hash 359859562, now seen corresponding path program 1 times [2020-08-19 04:23:30,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:30,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2127477265] [2020-08-19 04:23:30,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:30,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:30,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:30,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:30,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-19 04:23:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:30,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:23:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:30,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:23:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:30,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:30,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2127477265] [2020-08-19 04:23:30,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:30,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-19 04:23:30,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66236711] [2020-08-19 04:23:30,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 04:23:30,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:30,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 04:23:30,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:23:30,573 INFO L87 Difference]: Start difference. First operand 91 states and 97 transitions. Second operand 10 states. [2020-08-19 04:23:30,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:30,921 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2020-08-19 04:23:30,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 04:23:30,922 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-08-19 04:23:30,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:30,924 INFO L225 Difference]: With dead ends: 107 [2020-08-19 04:23:30,924 INFO L226 Difference]: Without dead ends: 76 [2020-08-19 04:23:30,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-08-19 04:23:30,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-08-19 04:23:30,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-08-19 04:23:30,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-19 04:23:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-08-19 04:23:30,938 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 63 [2020-08-19 04:23:30,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:30,939 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-08-19 04:23:30,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 04:23:30,939 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-08-19 04:23:30,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-19 04:23:30,941 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:30,941 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:30,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-19 04:23:30,942 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:30,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:30,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1228040100, now seen corresponding path program 1 times [2020-08-19 04:23:30,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:30,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981235729] [2020-08-19 04:23:30,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-19 04:23:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:23:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:23:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:31,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981235729] [2020-08-19 04:23:31,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:31,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 04:23:31,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831711184] [2020-08-19 04:23:31,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 04:23:31,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:31,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 04:23:31,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:23:31,197 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 9 states. [2020-08-19 04:23:31,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:31,554 INFO L93 Difference]: Finished difference Result 141 states and 146 transitions. [2020-08-19 04:23:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 04:23:31,555 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-19 04:23:31,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:31,557 INFO L225 Difference]: With dead ends: 141 [2020-08-19 04:23:31,557 INFO L226 Difference]: Without dead ends: 134 [2020-08-19 04:23:31,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:23:31,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-19 04:23:31,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2020-08-19 04:23:31,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-08-19 04:23:31,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2020-08-19 04:23:31,576 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2020-08-19 04:23:31,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:31,577 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2020-08-19 04:23:31,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 04:23:31,577 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2020-08-19 04:23:31,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-19 04:23:31,578 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:31,578 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:31,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-19 04:23:31,578 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:31,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:31,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1291919834, now seen corresponding path program 1 times [2020-08-19 04:23:31,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:31,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489092565] [2020-08-19 04:23:31,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-19 04:23:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:23:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:23:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:31,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489092565] [2020-08-19 04:23:31,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:31,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-19 04:23:31,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035159769] [2020-08-19 04:23:31,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 04:23:31,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:31,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 04:23:31,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-08-19 04:23:31,847 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 12 states. [2020-08-19 04:23:32,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:32,151 INFO L93 Difference]: Finished difference Result 144 states and 149 transitions. [2020-08-19 04:23:32,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 04:23:32,152 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-08-19 04:23:32,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:32,153 INFO L225 Difference]: With dead ends: 144 [2020-08-19 04:23:32,153 INFO L226 Difference]: Without dead ends: 133 [2020-08-19 04:23:32,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:23:32,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-08-19 04:23:32,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-08-19 04:23:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-08-19 04:23:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 136 transitions. [2020-08-19 04:23:32,169 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 136 transitions. Word has length 63 [2020-08-19 04:23:32,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:32,170 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 136 transitions. [2020-08-19 04:23:32,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 04:23:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2020-08-19 04:23:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-08-19 04:23:32,172 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:23:32,172 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:23:32,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-19 04:23:32,173 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:23:32,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:23:32,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1154361885, now seen corresponding path program 1 times [2020-08-19 04:23:32,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:23:32,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709903064] [2020-08-19 04:23:32,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:23:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:32,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:23:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:32,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:23:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:32,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:32,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-19 04:23:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:32,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:23:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 04:23:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:32,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:23:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:32,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-19 04:23:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:23:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:23:32,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709903064] [2020-08-19 04:23:32,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:23:32,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-19 04:23:32,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949586438] [2020-08-19 04:23:32,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 04:23:32,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:23:32,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 04:23:32,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-08-19 04:23:32,426 INFO L87 Difference]: Start difference. First operand 133 states and 136 transitions. Second operand 11 states. [2020-08-19 04:23:32,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:23:32,645 INFO L93 Difference]: Finished difference Result 133 states and 136 transitions. [2020-08-19 04:23:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 04:23:32,646 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2020-08-19 04:23:32,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:23:32,647 INFO L225 Difference]: With dead ends: 133 [2020-08-19 04:23:32,647 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 04:23:32,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:23:32,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 04:23:32,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 04:23:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 04:23:32,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 04:23:32,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-08-19 04:23:32,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:23:32,649 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 04:23:32,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 04:23:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 04:23:32,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 04:23:32,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-19 04:23:32,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 04:23:33,551 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2020-08-19 04:23:33,728 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2020-08-19 04:23:34,060 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2020-08-19 04:23:34,390 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2020-08-19 04:23:34,779 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2020-08-19 04:23:34,990 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2020-08-19 04:23:35,263 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 50 [2020-08-19 04:23:35,593 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 38 [2020-08-19 04:23:35,764 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2020-08-19 04:23:35,985 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 53 [2020-08-19 04:23:36,160 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2020-08-19 04:23:36,290 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2020-08-19 04:23:36,691 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-08-19 04:23:36,861 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 50 [2020-08-19 04:23:37,001 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-08-19 04:23:37,153 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-08-19 04:23:37,267 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2020-08-19 04:23:37,501 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2020-08-19 04:23:37,667 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-08-19 04:23:37,930 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-08-19 04:23:38,213 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2020-08-19 04:23:38,375 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 54 [2020-08-19 04:23:38,715 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2020-08-19 04:23:38,766 INFO L264 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: (or (not (<= (+ ~s~0 2) ~SKIP1~0)) (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (<= 1 ~NP~0)) (not (= ~s~0 ~NP~0))) [2020-08-19 04:23:38,766 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-08-19 04:23:38,766 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-08-19 04:23:38,767 INFO L264 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: (or (not (<= (+ ~s~0 2) ~SKIP1~0)) (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (<= 1 ~NP~0)) (not (= ~s~0 ~NP~0))) [2020-08-19 04:23:38,767 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (not (<= (+ ~s~0 2) ~SKIP1~0)) (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (<= 1 ~NP~0)) (not (= ~s~0 ~NP~0))) [2020-08-19 04:23:38,768 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-08-19 04:23:38,768 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-08-19 04:23:38,768 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-08-19 04:23:38,768 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-08-19 04:23:38,768 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 35 48) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,768 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-08-19 04:23:38,768 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-08-19 04:23:38,769 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 49 70) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,769 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-08-19 04:23:38,769 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-08-19 04:23:38,769 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-08-19 04:23:38,769 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-08-19 04:23:38,769 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-08-19 04:23:38,769 INFO L264 CegarLoopResult]: At program point L382(lines 375 415) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,770 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-08-19 04:23:38,770 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-08-19 04:23:38,770 INFO L264 CegarLoopResult]: At program point L374(lines 367 416) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,770 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-08-19 04:23:38,770 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-08-19 04:23:38,770 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-08-19 04:23:38,770 INFO L264 CegarLoopResult]: At program point L351(lines 350 365) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= ~NP~0 1) (<= 0 main_~status~1) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= (+ ~NP~0 4) ~MPR1~0) (<= 1 ~NP~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,770 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-08-19 04:23:38,770 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-08-19 04:23:38,770 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-08-19 04:23:38,770 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-08-19 04:23:38,771 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-08-19 04:23:38,771 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (<= ~IPC~0 ~s~0) (<= 0 main_~status~1) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,771 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-08-19 04:23:38,771 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 286 420) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~Executive~0)| ~Executive~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~KernelMode~0 |old(~KernelMode~0)|) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,771 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-08-19 04:23:38,771 INFO L264 CegarLoopResult]: At program point L394(lines 385 412) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,771 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-08-19 04:23:38,771 INFO L264 CegarLoopResult]: At program point L353(lines 352 365) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (<= 0 main_~status~1) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,772 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-08-19 04:23:38,772 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-08-19 04:23:38,772 INFO L264 CegarLoopResult]: At program point L321(lines 295 419) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,772 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-08-19 04:23:38,772 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-08-19 04:23:38,772 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-08-19 04:23:38,772 INFO L264 CegarLoopResult]: At program point L330-2(lines 330 333) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= ~NP~0 1) (<= 0 main_~status~1) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= (+ ~NP~0 4) ~MPR1~0) (<= 1 ~NP~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,773 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-19 04:23:38,773 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-08-19 04:23:38,773 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-08-19 04:23:38,773 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))) (or .cse0 .cse1 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-08-19 04:23:38,773 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-08-19 04:23:38,773 INFO L264 CegarLoopResult]: At program point L469(lines 442 497) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (let ((.cse2 (= ~MPR1~0 ~s~0))) (or (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (and .cse2 (= ~setEventCalled~0 1) (<= IofCallDriver_~returnVal2~0 259) (<= 259 IofCallDriver_~returnVal2~0)) (and (<= IofCallDriver_~returnVal2~0 0) .cse2) (not (<= 1 ~NP~0)))))) [2020-08-19 04:23:38,774 INFO L264 CegarLoopResult]: At program point L457(lines 456 471) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))))) [2020-08-19 04:23:38,774 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-08-19 04:23:38,774 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-08-19 04:23:38,774 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-08-19 04:23:38,774 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0)) (and (= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|))) (or .cse0 .cse1 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-08-19 04:23:38,774 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 435 498) the Hoare annotation is: (let ((.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse0 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse1 (= ~setEventCalled~0 |old(~setEventCalled~0)|))) (and (or (and .cse0 .cse1 (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))) (or .cse2 .cse3 (and .cse0 .cse1 (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-08-19 04:23:38,775 INFO L264 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or .cse0 .cse1 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))))) [2020-08-19 04:23:38,775 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-08-19 04:23:38,775 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-08-19 04:23:38,775 INFO L264 CegarLoopResult]: At program point L450(lines 449 472) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (= ~MPR1~0 ~s~0) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))))) [2020-08-19 04:23:38,775 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-08-19 04:23:38,775 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-08-19 04:23:38,776 INFO L264 CegarLoopResult]: At program point L455(lines 454 471) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (= ~MPR1~0 ~s~0) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))))) [2020-08-19 04:23:38,776 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-08-19 04:23:38,776 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-08-19 04:23:38,776 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~setEventCalled~0 1)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,776 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-08-19 04:23:38,776 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 421 434) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~setEventCalled~0 1)) (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,776 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-08-19 04:23:38,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:23:38,777 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~compRegistered~0 |old(~compRegistered~0)|) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP2~0 |old(~SKIP2~0)|) (= ~NP~0 |old(~NP~0)|) (= ~MPR3~0 |old(~MPR3~0)|) (= ~KernelMode~0 |old(~KernelMode~0)|) (= ~s~0 |old(~s~0)|) (= ~SKIP1~0 |old(~SKIP1~0)|) (= ~IPC~0 |old(~IPC~0)|) (= ~DC~0 |old(~DC~0)|) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~customIrp~0 |old(~customIrp~0)|) (= ~UNLOADED~0 |old(~UNLOADED~0)|) (= ~Executive~0 |old(~Executive~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) [2020-08-19 04:23:38,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:23:38,777 INFO L264 CegarLoopResult]: At program point L541(line 541) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse6 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~MPR3~0 |old(~s~0)|)) .cse6) (or .cse0 .cse1 .cse2 (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) .cse3 .cse4 .cse5 (not (= ~NP~0 |old(~s~0)|)) .cse6))) [2020-08-19 04:23:38,777 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-08-19 04:23:38,777 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-08-19 04:23:38,778 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-08-19 04:23:38,778 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-08-19 04:23:38,778 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-08-19 04:23:38,778 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-08-19 04:23:38,778 INFO L264 CegarLoopResult]: At program point L534(lines 526 545) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse6 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) .cse3 .cse4 .cse5 (not (= ~NP~0 |old(~s~0)|)) (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~MPR3~0 |old(~s~0)|)) .cse6))) [2020-08-19 04:23:38,778 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-08-19 04:23:38,779 INFO L264 CegarLoopResult]: At program point L551(lines 550 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse6 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (= ~s~0 ~NP~0) .cse4 .cse5 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~MPR3~0 |old(~s~0)|)) .cse6) (or .cse0 .cse1 .cse2 (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) .cse3 .cse4 .cse5 (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) .cse6))) [2020-08-19 04:23:38,779 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 521 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse6 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse7 (= |old(~customIrp~0)| ~customIrp~0)) (.cse8 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (and (= ~MPR3~0 ~s~0) .cse6 .cse7) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~MPR3~0 |old(~s~0)|)) .cse8) (or .cse0 .cse1 .cse2 (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) .cse3 .cse4 .cse5 (not (= ~NP~0 |old(~s~0)|)) (and .cse6 (= ~s~0 ~NP~0) .cse7) .cse8))) [2020-08-19 04:23:38,779 INFO L264 CegarLoopResult]: At program point L549(lines 548 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse6 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (= ~s~0 ~NP~0) .cse4 .cse5 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~MPR3~0 |old(~s~0)|)) .cse6) (or .cse0 .cse1 .cse2 (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) .cse3 .cse4 .cse5 (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) .cse6))) [2020-08-19 04:23:38,779 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0))) [2020-08-19 04:23:38,779 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-08-19 04:23:38,779 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 499 512) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (= ~s~0 |old(~s~0)|)) [2020-08-19 04:23:38,780 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-08-19 04:23:38,780 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-08-19 04:23:38,780 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:23:38,780 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (<= ~IPC~0 ~s~0) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) [2020-08-19 04:23:38,780 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 04:23:38,780 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:23:38,781 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (let ((.cse1 (<= 259 KbFilter_PnP_~status~0)) (.cse2 (= ~setEventCalled~0 1)) (.cse12 (<= 1 ~NP~0)) (.cse3 (<= 1 ~compRegistered~0)) (.cse13 (<= (+ ~NP~0 4) ~MPR1~0))) (let ((.cse0 (not (<= ~NP~0 1))) (.cse4 (not .cse13)) (.cse5 (not (<= ~pended~0 0))) (.cse6 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse8 (not (= ~NP~0 |old(~s~0)|))) (.cse7 (not (= |old(~compRegistered~0)| 0))) (.cse9 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse10 (and .cse1 .cse2 .cse13 (= ~s~0 |old(~s~0)|) .cse12 .cse3)) (.cse11 (not .cse12))) (and (or .cse0 (and (= ~MPR3~0 ~s~0) .cse1 .cse2 (= KbFilter_PnP_~__cil_tmp23~0 259) .cse3) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse4 .cse5 .cse6 .cse8 .cse7 .cse9 .cse10 .cse11 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0))))) [2020-08-19 04:23:38,781 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-08-19 04:23:38,781 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-08-19 04:23:38,781 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-08-19 04:23:38,781 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,781 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,781 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,782 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-08-19 04:23:38,782 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-08-19 04:23:38,782 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-08-19 04:23:38,782 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,782 INFO L264 CegarLoopResult]: At program point L185(lines 185 186) the Hoare annotation is: (let ((.cse0 (not (<= ~NP~0 1))) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse4 (not (= |old(~compRegistered~0)| 0))) (.cse5 (not (= ~NP~0 |old(~s~0)|))) (.cse6 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse7 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= (+ ~myStatus~0 1073741637) 0) (not (<= (+ |old(~myStatus~0)| 1073741637) 0))))) [2020-08-19 04:23:38,782 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-08-19 04:23:38,782 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-08-19 04:23:38,783 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-08-19 04:23:38,783 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-08-19 04:23:38,783 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-08-19 04:23:38,783 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-08-19 04:23:38,783 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-08-19 04:23:38,783 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-08-19 04:23:38,783 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-08-19 04:23:38,783 INFO L264 CegarLoopResult]: At program point L104(lines 103 281) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,784 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-08-19 04:23:38,784 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-08-19 04:23:38,784 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 73 285) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,784 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,784 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-08-19 04:23:38,784 INFO L264 CegarLoopResult]: At program point L163(lines 109 279) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,784 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-08-19 04:23:38,785 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-08-19 04:23:38,785 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-08-19 04:23:38,785 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-08-19 04:23:38,785 INFO L264 CegarLoopResult]: At program point L255(lines 255 256) the Hoare annotation is: (or (not (<= ~NP~0 1)) (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,785 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-08-19 04:23:38,785 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-08-19 04:23:38,785 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-08-19 04:23:38,785 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-08-19 04:23:38,786 INFO L264 CegarLoopResult]: At program point L107(lines 106 280) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,786 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-08-19 04:23:38,786 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-08-19 04:23:38,786 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-08-19 04:23:38,786 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-08-19 04:23:38,786 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-08-19 04:23:38,786 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (not (<= ~NP~0 1)) (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,786 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-08-19 04:23:38,786 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-08-19 04:23:38,787 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-08-19 04:23:38,787 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-08-19 04:23:38,787 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-08-19 04:23:38,787 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-08-19 04:23:38,787 INFO L264 CegarLoopResult]: At program point L224(lines 224 225) the Hoare annotation is: (or (not (<= ~NP~0 1)) (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,787 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-08-19 04:23:38,787 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,788 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-08-19 04:23:38,788 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-08-19 04:23:38,788 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-08-19 04:23:38,788 INFO L264 CegarLoopResult]: At program point L101(lines 100 282) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-19 04:23:38,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 04:23:38 BoogieIcfgContainer [2020-08-19 04:23:38,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 04:23:38,833 INFO L168 Benchmark]: Toolchain (without parser) took 21615.57 ms. Allocated memory was 145.2 MB in the beginning and 476.1 MB in the end (delta: 330.8 MB). Free memory was 100.4 MB in the beginning and 330.9 MB in the end (delta: -230.6 MB). Peak memory consumption was 326.7 MB. Max. memory is 7.1 GB. [2020-08-19 04:23:38,834 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-19 04:23:38,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.25 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.0 MB in the beginning and 177.4 MB in the end (delta: -77.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-08-19 04:23:38,835 INFO L168 Benchmark]: Boogie Preprocessor took 50.39 ms. Allocated memory is still 201.9 MB. Free memory was 177.4 MB in the beginning and 174.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-08-19 04:23:38,835 INFO L168 Benchmark]: RCFGBuilder took 814.93 ms. Allocated memory is still 201.9 MB. Free memory was 174.7 MB in the beginning and 128.8 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2020-08-19 04:23:38,838 INFO L168 Benchmark]: TraceAbstraction took 20231.81 ms. Allocated memory was 201.9 MB in the beginning and 476.1 MB in the end (delta: 274.2 MB). Free memory was 128.1 MB in the beginning and 330.9 MB in the end (delta: -202.8 MB). Peak memory consumption was 297.8 MB. Max. memory is 7.1 GB. [2020-08-19 04:23:38,846 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 509.25 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.0 MB in the beginning and 177.4 MB in the end (delta: -77.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.39 ms. Allocated memory is still 201.9 MB. Free memory was 177.4 MB in the beginning and 174.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 814.93 ms. Allocated memory is still 201.9 MB. Free memory was 174.7 MB in the beginning and 128.8 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20231.81 ms. Allocated memory was 201.9 MB in the beginning and 476.1 MB in the end (delta: 274.2 MB). Free memory was 128.1 MB in the beginning and 330.9 MB in the end (delta: -202.8 MB). Peak memory consumption was 297.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || !(\old(s) == \old(MPR3))) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || !(\old(s) == \old(MPR3))) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || 0 <= status) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(NP <= 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(1 <= NP) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(NP <= 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(1 <= NP) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((((!(1 <= compRegistered) || MPR1 == s) || !(NP <= 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(1 <= NP)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || ((setEventCalled == \old(setEventCalled) && s == NP) && \old(customIrp) == customIrp)) || !(1 <= NP)) && ((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP + 2 <= SKIP1)) || !(MPR3 == \old(s))) || !(1 <= NP)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(NP <= 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(1 <= NP) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((((!(1 <= compRegistered) || (MPR1 == s && setEventCalled == 1)) || !(NP <= 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(1 <= NP)) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || s == NP) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP + 2 <= SKIP1)) || !(MPR3 == \old(s))) || !(1 <= NP)) && (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || s == \old(s)) || !(1 <= NP)) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || (((MPR1 == s && setEventCalled == 1) && returnVal2 <= 259) && 259 <= returnVal2)) || (returnVal2 <= 0 && MPR1 == s)) || !(1 <= NP)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || s == NP) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP + 2 <= SKIP1)) || !(MPR3 == \old(s))) || !(1 <= NP)) && (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || s == \old(s)) || !(1 <= NP)) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || !(\old(s) == \old(MPR3))) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(NP <= 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(1 <= NP) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((((!(1 <= compRegistered) || MPR1 == s) || !(NP <= 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(1 <= NP)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || ((((((((NP + 2 <= SKIP1 && compRegistered == 0) && s == NP) && NP <= 1) && 0 <= status) && SKIP2 + 3 <= IPC) && NP + 4 <= MPR1) && 1 <= NP) && pended <= 0)) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2162 SDtfs, 3407 SDslu, 2828 SDs, 0 SdLazy, 5133 SolverSat, 925 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 174 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 186 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 283 PreInvPairs, 349 NumberOfFragments, 3020 HoareAnnotationTreeSize, 283 FomulaSimplifications, 1712 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 7182 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 909 ConstructedInterpolants, 0 QuantifiedInterpolants, 205803 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...