/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:37:48,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:37:48,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:37:48,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:37:48,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:37:48,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:37:48,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:37:48,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:37:48,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:37:48,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:37:48,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:37:48,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:37:48,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:37:48,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:37:48,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:37:48,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:37:48,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:37:48,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:37:48,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:37:48,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:37:48,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:37:48,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:37:48,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:37:48,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:37:48,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:37:48,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:37:48,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:37:48,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:37:48,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:37:48,924 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:37:48,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:37:48,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:37:48,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:37:48,926 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:37:48,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:37:48,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:37:48,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:37:48,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:37:48,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:37:48,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:37:48,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:37:48,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:37:48,928 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:37:48,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:37:48,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:37:48,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:37:48,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:37:48,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:37:48,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:37:48,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:37:48,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:37:48,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:37:48,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:37:48,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:37:48,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:37:48,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:37:48,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:37:48,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:37:48,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:37:49,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:37:49,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:37:49,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:37:49,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:37:49,311 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:37:49,312 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-08-22 16:37:49,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa0dd217/c61c9e51e96e49a3941e357df358aa70/FLAGdfb61c41b [2020-08-22 16:37:50,062 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:37:50,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-08-22 16:37:50,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa0dd217/c61c9e51e96e49a3941e357df358aa70/FLAGdfb61c41b [2020-08-22 16:37:50,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa0dd217/c61c9e51e96e49a3941e357df358aa70 [2020-08-22 16:37:50,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:37:50,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:37:50,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:37:50,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:37:50,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:37:50,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:37:50" (1/1) ... [2020-08-22 16:37:50,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce05b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:50, skipping insertion in model container [2020-08-22 16:37:50,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:37:50" (1/1) ... [2020-08-22 16:37:50,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:37:50,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:37:50,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:37:50,824 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:37:51,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:37:51,052 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:37:51,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:51 WrapperNode [2020-08-22 16:37:51,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:37:51,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:37:51,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:37:51,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:37:51,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:51" (1/1) ... [2020-08-22 16:37:51,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:51" (1/1) ... [2020-08-22 16:37:51,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:51" (1/1) ... [2020-08-22 16:37:51,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:51" (1/1) ... [2020-08-22 16:37:51,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:51" (1/1) ... [2020-08-22 16:37:51,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:51" (1/1) ... [2020-08-22 16:37:51,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:51" (1/1) ... [2020-08-22 16:37:51,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:37:51,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:37:51,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:37:51,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:37:51,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-08-22 16:37:51,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:37:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:37:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-08-22 16:37:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-08-22 16:37:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-08-22 16:37:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:37:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-08-22 16:37:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-08-22 16:37:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-08-22 16:37:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-08-22 16:37:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-08-22 16:37:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-08-22 16:37:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-08-22 16:37:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-08-22 16:37:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-08-22 16:37:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-08-22 16:37:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-08-22 16:37:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-08-22 16:37:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:37:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-08-22 16:37:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:37:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-08-22 16:37:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-08-22 16:37:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-08-22 16:37:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-08-22 16:37:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-08-22 16:37:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-08-22 16:37:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-08-22 16:37:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-08-22 16:37:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-08-22 16:37:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-08-22 16:37:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-08-22 16:37:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-08-22 16:37:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-08-22 16:37:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-08-22 16:37:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-08-22 16:37:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:37:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-08-22 16:37:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:37:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:37:51,570 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-22 16:37:51,668 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-08-22 16:37:51,668 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-08-22 16:37:51,698 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-22 16:37:51,835 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-08-22 16:37:51,835 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-08-22 16:37:51,837 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-22 16:37:51,904 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-08-22 16:37:51,905 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-08-22 16:37:51,919 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-22 16:37:51,996 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-08-22 16:37:51,996 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-08-22 16:37:52,125 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-22 16:37:52,143 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-08-22 16:37:52,143 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-08-22 16:37:52,167 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-22 16:37:52,254 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-08-22 16:37:52,254 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-08-22 16:37:52,274 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:37:52,274 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 16:37:52,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:37:52 BoogieIcfgContainer [2020-08-22 16:37:52,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:37:52,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:37:52,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:37:52,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:37:52,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:37:50" (1/3) ... [2020-08-22 16:37:52,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfa16ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:37:52, skipping insertion in model container [2020-08-22 16:37:52,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:37:51" (2/3) ... [2020-08-22 16:37:52,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfa16ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:37:52, skipping insertion in model container [2020-08-22 16:37:52,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:37:52" (3/3) ... [2020-08-22 16:37:52,291 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2020-08-22 16:37:52,302 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:37:52,312 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:37:52,323 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:37:52,349 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:37:52,350 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:37:52,350 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:37:52,350 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:37:52,350 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:37:52,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:37:52,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:37:52,351 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:37:52,378 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-08-22 16:37:52,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-22 16:37:52,386 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:37:52,387 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] [2020-08-22 16:37:52,388 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:37:52,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:37:52,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1129426977, now seen corresponding path program 1 times [2020-08-22 16:37:52,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:37:52,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378996957] [2020-08-22 16:37:52,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:37:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:52,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:37:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:52,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:37:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:37:52,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378996957] [2020-08-22 16:37:52,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:37:52,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 16:37:52,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161371481] [2020-08-22 16:37:52,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:37:52,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:37:52,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:37:52,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:37:52,866 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-08-22 16:37:54,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:37:54,081 INFO L93 Difference]: Finished difference Result 418 states and 629 transitions. [2020-08-22 16:37:54,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 16:37:54,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-08-22 16:37:54,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:37:54,116 INFO L225 Difference]: With dead ends: 418 [2020-08-22 16:37:54,116 INFO L226 Difference]: Without dead ends: 259 [2020-08-22 16:37:54,130 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 [2020-08-22 16:37:54,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-08-22 16:37:54,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 231. [2020-08-22 16:37:54,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-08-22 16:37:54,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 326 transitions. [2020-08-22 16:37:54,229 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 326 transitions. Word has length 20 [2020-08-22 16:37:54,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:37:54,230 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 326 transitions. [2020-08-22 16:37:54,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:37:54,230 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 326 transitions. [2020-08-22 16:37:54,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-08-22 16:37:54,232 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:37:54,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:37:54,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:37:54,233 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:37:54,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:37:54,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1811427322, now seen corresponding path program 1 times [2020-08-22 16:37:54,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:37:54,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752388236] [2020-08-22 16:37:54,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:37:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:54,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:37:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:54,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:37:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:54,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:37:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:37:54,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752388236] [2020-08-22 16:37:54,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:37:54,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 16:37:54,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876261186] [2020-08-22 16:37:54,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 16:37:54,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:37:54,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 16:37:54,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:37:54,573 INFO L87 Difference]: Start difference. First operand 231 states and 326 transitions. Second operand 6 states. [2020-08-22 16:37:55,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:37:55,905 INFO L93 Difference]: Finished difference Result 410 states and 565 transitions. [2020-08-22 16:37:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 16:37:55,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-08-22 16:37:55,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:37:55,910 INFO L225 Difference]: With dead ends: 410 [2020-08-22 16:37:55,911 INFO L226 Difference]: Without dead ends: 349 [2020-08-22 16:37:55,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:37:55,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-08-22 16:37:55,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 304. [2020-08-22 16:37:55,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-08-22 16:37:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 415 transitions. [2020-08-22 16:37:55,988 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 415 transitions. Word has length 28 [2020-08-22 16:37:55,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:37:55,988 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 415 transitions. [2020-08-22 16:37:55,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 16:37:55,989 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 415 transitions. [2020-08-22 16:37:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-08-22 16:37:55,990 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:37:55,990 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:37:55,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:37:55,991 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:37:55,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:37:55,991 INFO L82 PathProgramCache]: Analyzing trace with hash 439620198, now seen corresponding path program 1 times [2020-08-22 16:37:55,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:37:55,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463694925] [2020-08-22 16:37:55,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:37:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:56,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:37:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:56,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:37:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:37:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:37:56,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463694925] [2020-08-22 16:37:56,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:37:56,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 16:37:56,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704306634] [2020-08-22 16:37:56,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 16:37:56,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:37:56,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 16:37:56,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:37:56,165 INFO L87 Difference]: Start difference. First operand 304 states and 415 transitions. Second operand 6 states. [2020-08-22 16:37:57,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:37:57,009 INFO L93 Difference]: Finished difference Result 487 states and 647 transitions. [2020-08-22 16:37:57,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 16:37:57,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-08-22 16:37:57,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:37:57,019 INFO L225 Difference]: With dead ends: 487 [2020-08-22 16:37:57,019 INFO L226 Difference]: Without dead ends: 368 [2020-08-22 16:37:57,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:37:57,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-08-22 16:37:57,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 344. [2020-08-22 16:37:57,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-08-22 16:37:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 466 transitions. [2020-08-22 16:37:57,074 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 466 transitions. Word has length 28 [2020-08-22 16:37:57,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:37:57,077 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 466 transitions. [2020-08-22 16:37:57,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 16:37:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 466 transitions. [2020-08-22 16:37:57,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-08-22 16:37:57,090 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:37:57,090 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] [2020-08-22 16:37:57,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:37:57,091 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:37:57,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:37:57,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1607848921, now seen corresponding path program 1 times [2020-08-22 16:37:57,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:37:57,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589174664] [2020-08-22 16:37:57,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:37:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:57,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:37:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:57,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:37:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:57,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:37:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:37:57,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589174664] [2020-08-22 16:37:57,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:37:57,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 16:37:57,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654397933] [2020-08-22 16:37:57,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 16:37:57,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:37:57,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 16:37:57,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:37:57,305 INFO L87 Difference]: Start difference. First operand 344 states and 466 transitions. Second operand 6 states. [2020-08-22 16:37:58,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:37:58,172 INFO L93 Difference]: Finished difference Result 347 states and 468 transitions. [2020-08-22 16:37:58,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 16:37:58,173 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-08-22 16:37:58,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:37:58,176 INFO L225 Difference]: With dead ends: 347 [2020-08-22 16:37:58,176 INFO L226 Difference]: Without dead ends: 343 [2020-08-22 16:37:58,177 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 [2020-08-22 16:37:58,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-08-22 16:37:58,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2020-08-22 16:37:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-08-22 16:37:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 463 transitions. [2020-08-22 16:37:58,212 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 463 transitions. Word has length 38 [2020-08-22 16:37:58,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:37:58,213 INFO L479 AbstractCegarLoop]: Abstraction has 343 states and 463 transitions. [2020-08-22 16:37:58,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 16:37:58,213 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 463 transitions. [2020-08-22 16:37:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-22 16:37:58,217 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:37:58,218 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] [2020-08-22 16:37:58,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 16:37:58,218 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:37:58,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:37:58,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1742109340, now seen corresponding path program 1 times [2020-08-22 16:37:58,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:37:58,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264924105] [2020-08-22 16:37:58,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:37:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:58,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:37:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:58,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:37:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:58,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:37:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:58,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-22 16:37:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:37:58,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264924105] [2020-08-22 16:37:58,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:37:58,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:37:58,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130954336] [2020-08-22 16:37:58,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:37:58,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:37:58,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:37:58,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:37:58,441 INFO L87 Difference]: Start difference. First operand 343 states and 463 transitions. Second operand 8 states. [2020-08-22 16:37:59,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:37:59,630 INFO L93 Difference]: Finished difference Result 394 states and 520 transitions. [2020-08-22 16:37:59,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:37:59,632 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2020-08-22 16:37:59,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:37:59,635 INFO L225 Difference]: With dead ends: 394 [2020-08-22 16:37:59,635 INFO L226 Difference]: Without dead ends: 325 [2020-08-22 16:37:59,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:37:59,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-08-22 16:37:59,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 304. [2020-08-22 16:37:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-08-22 16:37:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 406 transitions. [2020-08-22 16:37:59,663 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 406 transitions. Word has length 46 [2020-08-22 16:37:59,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:37:59,663 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 406 transitions. [2020-08-22 16:37:59,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:37:59,663 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 406 transitions. [2020-08-22 16:37:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-08-22 16:37:59,665 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:37:59,666 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] [2020-08-22 16:37:59,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 16:37:59,666 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:37:59,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:37:59,667 INFO L82 PathProgramCache]: Analyzing trace with hash 750041855, now seen corresponding path program 1 times [2020-08-22 16:37:59,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:37:59,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548265414] [2020-08-22 16:37:59,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:37:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:59,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:37:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:59,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:37:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:59,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:37:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:59,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:37:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:59,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-08-22 16:37:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:37:59,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:37:59,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548265414] [2020-08-22 16:37:59,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:37:59,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:37:59,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267359240] [2020-08-22 16:37:59,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:37:59,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:37:59,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:37:59,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:37:59,880 INFO L87 Difference]: Start difference. First operand 304 states and 406 transitions. Second operand 8 states. [2020-08-22 16:38:00,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:00,389 INFO L93 Difference]: Finished difference Result 316 states and 421 transitions. [2020-08-22 16:38:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:38:00,389 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-08-22 16:38:00,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:00,392 INFO L225 Difference]: With dead ends: 316 [2020-08-22 16:38:00,392 INFO L226 Difference]: Without dead ends: 300 [2020-08-22 16:38:00,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:38:00,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-08-22 16:38:00,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 270. [2020-08-22 16:38:00,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-08-22 16:38:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 364 transitions. [2020-08-22 16:38:00,419 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 364 transitions. Word has length 45 [2020-08-22 16:38:00,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:00,419 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 364 transitions. [2020-08-22 16:38:00,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:38:00,420 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2020-08-22 16:38:00,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-22 16:38:00,421 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:00,422 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] [2020-08-22 16:38:00,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 16:38:00,422 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:00,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:00,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1784783245, now seen corresponding path program 1 times [2020-08-22 16:38:00,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:00,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910862367] [2020-08-22 16:38:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:00,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:00,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:00,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:00,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:38:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:00,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-08-22 16:38:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:00,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910862367] [2020-08-22 16:38:00,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:00,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:38:00,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586841186] [2020-08-22 16:38:00,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:38:00,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:00,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:38:00,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:38:00,660 INFO L87 Difference]: Start difference. First operand 270 states and 364 transitions. Second operand 8 states. [2020-08-22 16:38:01,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:01,585 INFO L93 Difference]: Finished difference Result 290 states and 385 transitions. [2020-08-22 16:38:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:38:01,586 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2020-08-22 16:38:01,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:01,589 INFO L225 Difference]: With dead ends: 290 [2020-08-22 16:38:01,589 INFO L226 Difference]: Without dead ends: 242 [2020-08-22 16:38:01,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:38:01,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-08-22 16:38:01,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-08-22 16:38:01,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-08-22 16:38:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 321 transitions. [2020-08-22 16:38:01,611 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 321 transitions. Word has length 46 [2020-08-22 16:38:01,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:01,611 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 321 transitions. [2020-08-22 16:38:01,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:38:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 321 transitions. [2020-08-22 16:38:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-22 16:38:01,613 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:01,613 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] [2020-08-22 16:38:01,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 16:38:01,614 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:01,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:01,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1852297644, now seen corresponding path program 1 times [2020-08-22 16:38:01,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:01,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208177378] [2020-08-22 16:38:01,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:01,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:01,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:01,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:01,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-22 16:38:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:01,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:38:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:01,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 16:38:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:01,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:01,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208177378] [2020-08-22 16:38:01,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:01,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:38:01,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924309750] [2020-08-22 16:38:01,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:38:01,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:01,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:38:01,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:38:01,808 INFO L87 Difference]: Start difference. First operand 242 states and 321 transitions. Second operand 8 states. [2020-08-22 16:38:02,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:02,504 INFO L93 Difference]: Finished difference Result 270 states and 354 transitions. [2020-08-22 16:38:02,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 16:38:02,504 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-08-22 16:38:02,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:02,507 INFO L225 Difference]: With dead ends: 270 [2020-08-22 16:38:02,507 INFO L226 Difference]: Without dead ends: 240 [2020-08-22 16:38:02,508 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 [2020-08-22 16:38:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-22 16:38:02,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2020-08-22 16:38:02,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-08-22 16:38:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 317 transitions. [2020-08-22 16:38:02,529 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 317 transitions. Word has length 53 [2020-08-22 16:38:02,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:02,530 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 317 transitions. [2020-08-22 16:38:02,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:38:02,530 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 317 transitions. [2020-08-22 16:38:02,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 16:38:02,532 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:02,532 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] [2020-08-22 16:38:02,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 16:38:02,533 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:02,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:02,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1745163498, now seen corresponding path program 1 times [2020-08-22 16:38:02,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:02,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319378988] [2020-08-22 16:38:02,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:02,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:02,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:02,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:02,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:38:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:02,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:38:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:02,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319378988] [2020-08-22 16:38:02,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:02,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:38:02,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028771990] [2020-08-22 16:38:02,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:38:02,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:02,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:38:02,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:38:02,758 INFO L87 Difference]: Start difference. First operand 240 states and 317 transitions. Second operand 9 states. [2020-08-22 16:38:04,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:04,210 INFO L93 Difference]: Finished difference Result 313 states and 400 transitions. [2020-08-22 16:38:04,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 16:38:04,210 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-08-22 16:38:04,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:04,213 INFO L225 Difference]: With dead ends: 313 [2020-08-22 16:38:04,213 INFO L226 Difference]: Without dead ends: 307 [2020-08-22 16:38:04,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:38:04,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-08-22 16:38:04,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 274. [2020-08-22 16:38:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-08-22 16:38:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 356 transitions. [2020-08-22 16:38:04,237 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 356 transitions. Word has length 51 [2020-08-22 16:38:04,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:04,237 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 356 transitions. [2020-08-22 16:38:04,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:38:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 356 transitions. [2020-08-22 16:38:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 16:38:04,239 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:04,239 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] [2020-08-22 16:38:04,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 16:38:04,240 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:04,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:04,240 INFO L82 PathProgramCache]: Analyzing trace with hash -855964733, now seen corresponding path program 1 times [2020-08-22 16:38:04,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:04,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33687496] [2020-08-22 16:38:04,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:04,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:04,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:04,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:04,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:38:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:04,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:38:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:04,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33687496] [2020-08-22 16:38:04,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:04,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 16:38:04,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325827034] [2020-08-22 16:38:04,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 16:38:04,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:04,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 16:38:04,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:38:04,507 INFO L87 Difference]: Start difference. First operand 274 states and 356 transitions. Second operand 13 states. [2020-08-22 16:38:06,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:06,638 INFO L93 Difference]: Finished difference Result 325 states and 410 transitions. [2020-08-22 16:38:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 16:38:06,639 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 52 [2020-08-22 16:38:06,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:06,642 INFO L225 Difference]: With dead ends: 325 [2020-08-22 16:38:06,643 INFO L226 Difference]: Without dead ends: 284 [2020-08-22 16:38:06,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2020-08-22 16:38:06,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-08-22 16:38:06,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 240. [2020-08-22 16:38:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-08-22 16:38:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 315 transitions. [2020-08-22 16:38:06,686 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 315 transitions. Word has length 52 [2020-08-22 16:38:06,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:06,687 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 315 transitions. [2020-08-22 16:38:06,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 16:38:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 315 transitions. [2020-08-22 16:38:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-22 16:38:06,689 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:06,690 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] [2020-08-22 16:38:06,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 16:38:06,690 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:06,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:06,692 INFO L82 PathProgramCache]: Analyzing trace with hash 240184037, now seen corresponding path program 1 times [2020-08-22 16:38:06,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:06,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926964765] [2020-08-22 16:38:06,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:06,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:06,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:06,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:06,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:38:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:06,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:38:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:07,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926964765] [2020-08-22 16:38:07,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:07,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 16:38:07,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288016815] [2020-08-22 16:38:07,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 16:38:07,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:07,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 16:38:07,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:38:07,008 INFO L87 Difference]: Start difference. First operand 240 states and 315 transitions. Second operand 12 states. [2020-08-22 16:38:08,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:08,370 INFO L93 Difference]: Finished difference Result 252 states and 327 transitions. [2020-08-22 16:38:08,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 16:38:08,371 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2020-08-22 16:38:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:08,375 INFO L225 Difference]: With dead ends: 252 [2020-08-22 16:38:08,375 INFO L226 Difference]: Without dead ends: 211 [2020-08-22 16:38:08,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:38:08,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-08-22 16:38:08,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2020-08-22 16:38:08,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-08-22 16:38:08,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 276 transitions. [2020-08-22 16:38:08,407 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 276 transitions. Word has length 53 [2020-08-22 16:38:08,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:08,408 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 276 transitions. [2020-08-22 16:38:08,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 16:38:08,408 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 276 transitions. [2020-08-22 16:38:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-22 16:38:08,410 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:08,410 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] [2020-08-22 16:38:08,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 16:38:08,411 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:08,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:08,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1569125, now seen corresponding path program 1 times [2020-08-22 16:38:08,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:08,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145208928] [2020-08-22 16:38:08,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:08,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:08,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:08,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:08,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 16:38:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:08,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:08,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145208928] [2020-08-22 16:38:08,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:08,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 16:38:08,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429740824] [2020-08-22 16:38:08,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 16:38:08,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:08,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 16:38:08,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:38:08,738 INFO L87 Difference]: Start difference. First operand 211 states and 276 transitions. Second operand 14 states. [2020-08-22 16:38:09,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:09,988 INFO L93 Difference]: Finished difference Result 227 states and 292 transitions. [2020-08-22 16:38:09,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 16:38:09,989 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-08-22 16:38:09,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:09,991 INFO L225 Difference]: With dead ends: 227 [2020-08-22 16:38:09,991 INFO L226 Difference]: Without dead ends: 206 [2020-08-22 16:38:09,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-08-22 16:38:09,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-08-22 16:38:10,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-08-22 16:38:10,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-08-22 16:38:10,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 269 transitions. [2020-08-22 16:38:10,018 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 269 transitions. Word has length 54 [2020-08-22 16:38:10,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:10,019 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 269 transitions. [2020-08-22 16:38:10,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 16:38:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 269 transitions. [2020-08-22 16:38:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-22 16:38:10,021 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:10,021 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] [2020-08-22 16:38:10,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 16:38:10,021 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:10,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:10,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1204113239, now seen corresponding path program 1 times [2020-08-22 16:38:10,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:10,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638407165] [2020-08-22 16:38:10,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:10,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:10,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:10,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:10,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-22 16:38:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:10,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:38:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:10,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:38:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:10,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638407165] [2020-08-22 16:38:10,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:10,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 16:38:10,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68373983] [2020-08-22 16:38:10,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 16:38:10,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:10,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 16:38:10,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:38:10,295 INFO L87 Difference]: Start difference. First operand 206 states and 269 transitions. Second operand 11 states. [2020-08-22 16:38:11,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:11,138 INFO L93 Difference]: Finished difference Result 296 states and 379 transitions. [2020-08-22 16:38:11,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:38:11,139 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2020-08-22 16:38:11,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:11,141 INFO L225 Difference]: With dead ends: 296 [2020-08-22 16:38:11,141 INFO L226 Difference]: Without dead ends: 224 [2020-08-22 16:38:11,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:38:11,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-08-22 16:38:11,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 214. [2020-08-22 16:38:11,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-22 16:38:11,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 278 transitions. [2020-08-22 16:38:11,161 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 278 transitions. Word has length 57 [2020-08-22 16:38:11,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:11,161 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 278 transitions. [2020-08-22 16:38:11,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 16:38:11,161 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 278 transitions. [2020-08-22 16:38:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-22 16:38:11,163 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:11,163 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] [2020-08-22 16:38:11,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 16:38:11,163 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:11,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:11,164 INFO L82 PathProgramCache]: Analyzing trace with hash -527681510, now seen corresponding path program 1 times [2020-08-22 16:38:11,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:11,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888868046] [2020-08-22 16:38:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:11,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:11,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:11,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:11,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-22 16:38:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:11,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:38:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:11,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:38:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:11,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:11,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888868046] [2020-08-22 16:38:11,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:11,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 16:38:11,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698357194] [2020-08-22 16:38:11,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 16:38:11,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:11,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 16:38:11,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:38:11,397 INFO L87 Difference]: Start difference. First operand 214 states and 278 transitions. Second operand 11 states. [2020-08-22 16:38:12,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:12,316 INFO L93 Difference]: Finished difference Result 232 states and 299 transitions. [2020-08-22 16:38:12,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 16:38:12,317 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2020-08-22 16:38:12,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:12,318 INFO L225 Difference]: With dead ends: 232 [2020-08-22 16:38:12,318 INFO L226 Difference]: Without dead ends: 225 [2020-08-22 16:38:12,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2020-08-22 16:38:12,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-22 16:38:12,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 215. [2020-08-22 16:38:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-08-22 16:38:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 279 transitions. [2020-08-22 16:38:12,337 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 279 transitions. Word has length 57 [2020-08-22 16:38:12,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:12,337 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 279 transitions. [2020-08-22 16:38:12,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 16:38:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 279 transitions. [2020-08-22 16:38:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-22 16:38:12,339 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:12,339 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] [2020-08-22 16:38:12,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 16:38:12,340 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:12,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1045578754, now seen corresponding path program 1 times [2020-08-22 16:38:12,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:12,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473697299] [2020-08-22 16:38:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:12,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:12,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:12,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:38:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:12,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-08-22 16:38:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:12,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:38:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:12,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473697299] [2020-08-22 16:38:12,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:12,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:38:12,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000591907] [2020-08-22 16:38:12,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:38:12,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:12,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:38:12,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:38:12,535 INFO L87 Difference]: Start difference. First operand 215 states and 279 transitions. Second operand 8 states. [2020-08-22 16:38:13,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:13,214 INFO L93 Difference]: Finished difference Result 258 states and 327 transitions. [2020-08-22 16:38:13,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 16:38:13,214 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-08-22 16:38:13,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:13,216 INFO L225 Difference]: With dead ends: 258 [2020-08-22 16:38:13,216 INFO L226 Difference]: Without dead ends: 214 [2020-08-22 16:38:13,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:38:13,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-08-22 16:38:13,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2020-08-22 16:38:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-22 16:38:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 274 transitions. [2020-08-22 16:38:13,242 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 274 transitions. Word has length 60 [2020-08-22 16:38:13,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:13,243 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 274 transitions. [2020-08-22 16:38:13,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:38:13,243 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 274 transitions. [2020-08-22 16:38:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-22 16:38:13,244 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:13,245 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] [2020-08-22 16:38:13,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 16:38:13,245 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:13,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:13,245 INFO L82 PathProgramCache]: Analyzing trace with hash -930292561, now seen corresponding path program 1 times [2020-08-22 16:38:13,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:13,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949923722] [2020-08-22 16:38:13,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:13,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:13,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:38:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:13,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:38:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:13,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:38:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:13,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949923722] [2020-08-22 16:38:13,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:13,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 16:38:13,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503909577] [2020-08-22 16:38:13,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 16:38:13,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:13,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 16:38:13,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:38:13,587 INFO L87 Difference]: Start difference. First operand 214 states and 274 transitions. Second operand 15 states. [2020-08-22 16:38:14,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:14,959 INFO L93 Difference]: Finished difference Result 226 states and 286 transitions. [2020-08-22 16:38:14,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:38:14,960 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2020-08-22 16:38:14,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:14,962 INFO L225 Difference]: With dead ends: 226 [2020-08-22 16:38:14,962 INFO L226 Difference]: Without dead ends: 188 [2020-08-22 16:38:14,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-08-22 16:38:14,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-08-22 16:38:14,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2020-08-22 16:38:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-08-22 16:38:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 236 transitions. [2020-08-22 16:38:14,987 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 236 transitions. Word has length 61 [2020-08-22 16:38:14,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:14,987 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 236 transitions. [2020-08-22 16:38:14,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 16:38:14,988 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 236 transitions. [2020-08-22 16:38:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 16:38:14,990 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:14,990 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] [2020-08-22 16:38:14,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 16:38:14,991 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:14,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:14,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1127735086, now seen corresponding path program 1 times [2020-08-22 16:38:14,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:14,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361082405] [2020-08-22 16:38:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:15,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:15,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:15,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:15,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:38:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:15,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-08-22 16:38:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:15,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:38:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:15,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361082405] [2020-08-22 16:38:15,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:15,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 16:38:15,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977868983] [2020-08-22 16:38:15,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 16:38:15,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:15,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 16:38:15,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:38:15,309 INFO L87 Difference]: Start difference. First operand 188 states and 236 transitions. Second operand 15 states. [2020-08-22 16:38:16,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:16,179 INFO L93 Difference]: Finished difference Result 200 states and 248 transitions. [2020-08-22 16:38:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:38:16,180 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2020-08-22 16:38:16,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:16,182 INFO L225 Difference]: With dead ends: 200 [2020-08-22 16:38:16,182 INFO L226 Difference]: Without dead ends: 186 [2020-08-22 16:38:16,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-08-22 16:38:16,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-08-22 16:38:16,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-08-22 16:38:16,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-08-22 16:38:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 232 transitions. [2020-08-22 16:38:16,201 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 232 transitions. Word has length 56 [2020-08-22 16:38:16,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:16,201 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 232 transitions. [2020-08-22 16:38:16,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 16:38:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 232 transitions. [2020-08-22 16:38:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-22 16:38:16,203 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:16,203 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] [2020-08-22 16:38:16,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 16:38:16,204 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:16,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:16,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1554463583, now seen corresponding path program 1 times [2020-08-22 16:38:16,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:16,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873457437] [2020-08-22 16:38:16,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:16,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:16,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:16,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 16:38:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:16,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 16:38:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:16,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:16,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873457437] [2020-08-22 16:38:16,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:16,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 16:38:16,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521807416] [2020-08-22 16:38:16,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 16:38:16,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:16,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 16:38:16,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:38:16,491 INFO L87 Difference]: Start difference. First operand 186 states and 232 transitions. Second operand 13 states. [2020-08-22 16:38:17,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:17,664 INFO L93 Difference]: Finished difference Result 237 states and 286 transitions. [2020-08-22 16:38:17,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 16:38:17,665 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2020-08-22 16:38:17,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:17,668 INFO L225 Difference]: With dead ends: 237 [2020-08-22 16:38:17,668 INFO L226 Difference]: Without dead ends: 220 [2020-08-22 16:38:17,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2020-08-22 16:38:17,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-08-22 16:38:17,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 190. [2020-08-22 16:38:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-08-22 16:38:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 237 transitions. [2020-08-22 16:38:17,686 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 237 transitions. Word has length 55 [2020-08-22 16:38:17,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:17,686 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 237 transitions. [2020-08-22 16:38:17,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 16:38:17,687 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 237 transitions. [2020-08-22 16:38:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-22 16:38:17,688 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:17,688 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] [2020-08-22 16:38:17,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 16:38:17,688 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:17,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:17,689 INFO L82 PathProgramCache]: Analyzing trace with hash -725184292, now seen corresponding path program 1 times [2020-08-22 16:38:17,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:17,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700046764] [2020-08-22 16:38:17,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:17,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:17,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:17,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:17,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 16:38:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:17,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 16:38:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:17,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700046764] [2020-08-22 16:38:17,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:17,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 16:38:17,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423990856] [2020-08-22 16:38:17,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 16:38:17,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:17,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 16:38:17,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:38:17,919 INFO L87 Difference]: Start difference. First operand 190 states and 237 transitions. Second operand 14 states. [2020-08-22 16:38:18,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:18,852 INFO L93 Difference]: Finished difference Result 206 states and 253 transitions. [2020-08-22 16:38:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 16:38:18,853 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2020-08-22 16:38:18,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:18,854 INFO L225 Difference]: With dead ends: 206 [2020-08-22 16:38:18,854 INFO L226 Difference]: Without dead ends: 168 [2020-08-22 16:38:18,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-08-22 16:38:18,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-08-22 16:38:18,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2020-08-22 16:38:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-08-22 16:38:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 194 transitions. [2020-08-22 16:38:18,873 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 194 transitions. Word has length 55 [2020-08-22 16:38:18,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:18,873 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 194 transitions. [2020-08-22 16:38:18,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 16:38:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 194 transitions. [2020-08-22 16:38:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-22 16:38:18,874 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:18,875 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] [2020-08-22 16:38:18,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 16:38:18,875 INFO L427 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:18,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:18,875 INFO L82 PathProgramCache]: Analyzing trace with hash -639520605, now seen corresponding path program 1 times [2020-08-22 16:38:18,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:18,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392653397] [2020-08-22 16:38:18,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:18,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:38:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:38:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:19,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:38:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:19,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-22 16:38:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:19,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:38:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:19,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:38:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:38:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:38:19,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392653397] [2020-08-22 16:38:19,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:38:19,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 16:38:19,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123989870] [2020-08-22 16:38:19,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:38:19,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:38:19,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:38:19,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:38:19,126 INFO L87 Difference]: Start difference. First operand 168 states and 194 transitions. Second operand 10 states. [2020-08-22 16:38:19,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:38:19,557 INFO L93 Difference]: Finished difference Result 204 states and 235 transitions. [2020-08-22 16:38:19,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:38:19,558 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-08-22 16:38:19,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:38:19,560 INFO L225 Difference]: With dead ends: 204 [2020-08-22 16:38:19,560 INFO L226 Difference]: Without dead ends: 162 [2020-08-22 16:38:19,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:38:19,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-08-22 16:38:19,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-08-22 16:38:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-08-22 16:38:19,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 185 transitions. [2020-08-22 16:38:19,577 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 185 transitions. Word has length 58 [2020-08-22 16:38:19,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:38:19,577 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 185 transitions. [2020-08-22 16:38:19,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:38:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 185 transitions. [2020-08-22 16:38:19,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 16:38:19,578 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:38:19,578 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] [2020-08-22 16:38:19,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-22 16:38:19,579 INFO L427 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:38:19,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:38:19,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1656625880, now seen corresponding path program 1 times [2020-08-22 16:38:19,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:38:19,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883895786] [2020-08-22 16:38:19,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:38:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:38:19,601 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:38:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:38:19,621 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:38:19,668 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-08-22 16:38:19,668 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 16:38:19,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-22 16:38:19,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:38:19 BoogieIcfgContainer [2020-08-22 16:38:19,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:38:19,800 INFO L168 Benchmark]: Toolchain (without parser) took 29415.08 ms. Allocated memory was 146.8 MB in the beginning and 533.2 MB in the end (delta: 386.4 MB). Free memory was 102.2 MB in the beginning and 336.4 MB in the end (delta: -234.2 MB). Peak memory consumption was 152.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:38:19,800 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 16:38:19,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.14 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.9 MB in the beginning and 176.2 MB in the end (delta: -74.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:38:19,804 INFO L168 Benchmark]: Boogie Preprocessor took 97.03 ms. Allocated memory is still 203.4 MB. Free memory was 176.2 MB in the beginning and 172.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:38:19,804 INFO L168 Benchmark]: RCFGBuilder took 1126.18 ms. Allocated memory is still 203.4 MB. Free memory was 172.8 MB in the beginning and 101.4 MB in the end (delta: 71.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:38:19,805 INFO L168 Benchmark]: TraceAbstraction took 27508.61 ms. Allocated memory was 203.4 MB in the beginning and 533.2 MB in the end (delta: 329.8 MB). Free memory was 100.8 MB in the beginning and 336.4 MB in the end (delta: -235.6 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:38:19,810 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.14 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.9 MB in the beginning and 176.2 MB in the end (delta: -74.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.03 ms. Allocated memory is still 203.4 MB. Free memory was 176.2 MB in the beginning and 172.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1126.18 ms. Allocated memory is still 203.4 MB. Free memory was 172.8 MB in the beginning and 101.4 MB in the end (delta: 71.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27508.61 ms. Allocated memory was 203.4 MB in the beginning and 533.2 MB in the end (delta: 329.8 MB). Free memory was 100.8 MB in the beginning and 336.4 MB in the end (delta: -235.6 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1011]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L21] int KernelMode ; [L22] int Executive ; [L23] int DevicePowerState ; [L24] int s ; [L25] int UNLOADED ; [L26] int NP ; [L27] int DC ; [L28] int SKIP1 ; [L29] int SKIP2 ; [L30] int MPR1 ; [L31] int MPR3 ; [L32] int IPC ; [L33] int pended ; [L34] int compFptr ; [L35] int compRegistered ; [L36] int lowerDriverReturn ; [L37] int setEventCalled ; [L38] int customIrp ; [L39] int myStatus ; VAL [\old(compFptr)=20, \old(compRegistered)=13, \old(customIrp)=16, \old(DC)=9, \old(DevicePowerState)=22, \old(Executive)=14, \old(IPC)=11, \old(KernelMode)=26, \old(lowerDriverReturn)=24, \old(MPR1)=21, \old(MPR3)=18, \old(myStatus)=23, \old(NP)=15, \old(pended)=25, \old(s)=10, \old(setEventCalled)=19, \old(SKIP1)=17, \old(SKIP2)=12, \old(UNLOADED)=8, compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=0, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, UNLOADED=0] [L292] int status ; [L293] int irp = __VERIFIER_nondet_int() ; [L294] int pirp ; [L295] int pirp__IoStatus__Status ; [L296] int irp_choice = __VERIFIER_nondet_int() ; [L297] int devobj = __VERIFIER_nondet_int() ; [L298] int __cil_tmp8 ; [L300] KernelMode = 0 [L301] Executive = 0 [L302] DevicePowerState = 1 [L303] s = 0 [L304] UNLOADED = 0 [L305] NP = 0 [L306] DC = 0 [L307] SKIP1 = 0 [L308] SKIP2 = 0 [L309] MPR1 = 0 [L310] MPR3 = 0 [L311] IPC = 0 [L312] pended = 0 [L313] compFptr = 0 [L314] compRegistered = 0 [L315] lowerDriverReturn = 0 [L316] setEventCalled = 0 [L317] customIrp = 0 [L318] myStatus = 0 [L322] status = 0 [L323] pirp = irp VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=1, devobj=-3, Executive=0, IPC=0, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, pirp=-2, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, UNLOADED=0] [L324] CALL _BLAST_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=1, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, UNLOADED=0] [L59] UNLOADED = 0 [L60] NP = 1 [L61] DC = 2 [L62] SKIP1 = 3 [L63] SKIP2 = 4 [L64] MPR1 = 5 [L65] MPR3 = 6 [L66] IPC = 7 [L67] s = UNLOADED [L68] pended = 0 [L69] compFptr = 0 [L70] compRegistered = 0 [L71] lowerDriverReturn = 0 [L72] setEventCalled = 0 [L73] customIrp = 0 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L324] RET _BLAST_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L326] COND TRUE status >= 0 [L327] s = NP [L328] customIrp = 0 [L329] setEventCalled = customIrp [L330] lowerDriverReturn = setEventCalled [L331] compRegistered = lowerDriverReturn [L332] pended = compRegistered [L333] pirp__IoStatus__Status = 0 [L334] myStatus = 0 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L335] COND FALSE !(irp_choice == 0) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L340] CALL stub_driver_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L45] s = NP [L46] pended = 0 [L47] compFptr = 0 [L48] compRegistered = 0 [L49] lowerDriverReturn = 0 [L50] setEventCalled = 0 [L51] customIrp = 0 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L340] RET stub_driver_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L343] COND FALSE !(status < 0) [L347] int tmp_ndt_1; [L348] tmp_ndt_1 = __VERIFIER_nondet_int() [L349] COND FALSE !(tmp_ndt_1 == 0) [L352] int tmp_ndt_2; [L353] tmp_ndt_2 = __VERIFIER_nondet_int() [L354] COND FALSE !(tmp_ndt_2 == 1) [L357] int tmp_ndt_3; [L358] tmp_ndt_3 = __VERIFIER_nondet_int() [L359] COND TRUE tmp_ndt_3 == 3 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=4, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L386] CALL, EXPR KbFilter_PnP(devobj, pirp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L78] int devExt ; [L79] int irpStack ; [L80] int status ; [L81] int event = __VERIFIER_nondet_int() ; [L82] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L83] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L84] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L85] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L86] int devExt__Started ; [L87] int devExt__Removed ; [L88] int devExt__SurpriseRemoved ; [L89] int Irp__IoStatus__Status ; [L90] int Irp__IoStatus__Information ; [L91] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L92] int irpSp ; [L93] int nextIrpSp ; [L94] int nextIrpSp__Control ; [L95] int irpSp___0 ; [L96] int irpSp__Context ; [L97] int irpSp__Control ; [L98] long __cil_tmp23 ; [L101] status = 0 [L102] devExt = DeviceObject__DeviceExtension [L103] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__TopOfStack=0, DeviceObject=-3, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L104] COND FALSE !(irpStack__MinorFunction == 0) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__TopOfStack=0, DeviceObject=-3, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L107] COND FALSE !(irpStack__MinorFunction == 23) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__TopOfStack=0, DeviceObject=-3, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L110] COND TRUE irpStack__MinorFunction == 2 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__TopOfStack=0, DeviceObject=-3, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L234] devExt__Removed = 1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=-3, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L235] COND TRUE s == NP [L236] s = SKIP1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=-3, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L243] Irp__CurrentLocation ++ [L244] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=-3, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L245] CALL IofCallDriver(devExt__TopOfStack, Irp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L481] int returnVal2 ; [L482] int compRetStatus ; [L483] int lcontext = __VERIFIER_nondet_int() ; [L484] long long __cil_tmp7 ; VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L487] COND FALSE !(\read(compRegistered)) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L500] int tmp_ndt_6; [L501] tmp_ndt_6 = __VERIFIER_nondet_int() [L502] COND FALSE !(tmp_ndt_6 == 0) [L505] int tmp_ndt_7; [L506] tmp_ndt_7 = __VERIFIER_nondet_int() [L507] COND TRUE tmp_ndt_7 == 1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0] [L516] returnVal2 = -1073741823 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0] [L526] COND FALSE !(s == NP) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0] [L530] COND FALSE !(s == MPR1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0] [L539] COND TRUE s == SKIP1 [L540] s = SKIP2 [L541] lowerDriverReturn = returnVal2 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, returnVal2=-1073741823, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0] [L549] return (returnVal2); VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, \result=-1073741823, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, returnVal2=-1073741823, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0] [L245] RET IofCallDriver(devExt__TopOfStack, Irp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=-3, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IofCallDriver(devExt__TopOfStack, Irp)=-1073741823, IPC=7, Irp=-2, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L246] status = 0 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=-3, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L288] return (status); VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-3, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, \result=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=-3, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L386] RET, EXPR KbFilter_PnP(devobj, pirp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KbFilter_PnP(devobj, pirp)=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=4, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L386] status = KbFilter_PnP(devobj, pirp) [L410] COND FALSE !(pended == 1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=4, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L418] COND FALSE !(pended == 1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=4, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L426] COND TRUE s != UNLOADED VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=4, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L427] COND TRUE status != -1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=4, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L428] COND FALSE !(s != SKIP2) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=4, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L438] COND FALSE !(pended == 1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=4, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L445] COND FALSE !(s == DC) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=4, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L450] COND TRUE status != lowerDriverReturn VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=-3, Executive=0, IPC=7, irp=-2, irp_choice=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=4, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L451] CALL errorFn() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L1011] __VERIFIER_error() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 27.3s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 21.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4633 SDtfs, 6122 SDslu, 7826 SDs, 0 SdLazy, 16041 SolverSat, 1269 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 400 GetRequests, 170 SyntacticMatches, 3 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=344occurred 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: 0.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 275 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1029 NumberOfCodeBlocks, 1029 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 953 ConstructedInterpolants, 0 QuantifiedInterpolants, 212124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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 incorrect! Received shutdown request...