/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 11:20:33,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 11:20:33,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 11:20:33,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 11:20:33,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 11:20:33,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 11:20:33,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 11:20:33,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 11:20:33,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 11:20:33,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 11:20:33,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 11:20:33,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 11:20:33,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 11:20:33,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 11:20:33,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 11:20:33,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 11:20:33,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 11:20:33,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 11:20:33,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 11:20:33,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 11:20:33,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 11:20:33,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 11:20:33,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 11:20:33,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 11:20:33,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 11:20:33,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 11:20:33,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 11:20:33,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 11:20:33,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 11:20:33,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 11:20:33,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 11:20:33,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 11:20:33,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 11:20:33,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 11:20:33,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 11:20:33,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 11:20:33,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 11:20:33,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 11:20:33,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 11:20:33,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 11:20:33,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 11:20:33,969 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 [2020-07-20 11:20:33,984 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 11:20:33,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 11:20:33,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 11:20:33,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 11:20:33,986 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 11:20:33,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 11:20:33,987 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 11:20:33,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 11:20:33,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 11:20:33,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 11:20:33,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 11:20:33,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 11:20:33,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 11:20:33,988 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 11:20:33,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 11:20:33,989 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 11:20:33,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 11:20:33,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 11:20:33,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 11:20:33,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 11:20:33,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 11:20:33,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:20:33,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 11:20:33,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 11:20:33,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 11:20:33,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 11:20:33,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:33,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 11:20:33,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 11:20:33,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 11:20:34,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 11:20:34,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 11:20:34,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 11:20:34,297 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 11:20:34,297 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 11:20:34,298 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-07-20 11:20:34,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e3dcf0c/29fc9c62cb41472f91e0ed5c1f2cd43f/FLAG9c7bab4cf [2020-07-20 11:20:34,944 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 11:20:34,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-07-20 11:20:34,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e3dcf0c/29fc9c62cb41472f91e0ed5c1f2cd43f/FLAG9c7bab4cf [2020-07-20 11:20:35,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e3dcf0c/29fc9c62cb41472f91e0ed5c1f2cd43f [2020-07-20 11:20:35,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 11:20:35,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 11:20:35,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 11:20:35,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 11:20:35,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 11:20:35,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:20:35" (1/1) ... [2020-07-20 11:20:35,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d112012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35, skipping insertion in model container [2020-07-20 11:20:35,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:20:35" (1/1) ... [2020-07-20 11:20:35,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 11:20:35,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 11:20:35,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:20:35,674 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 11:20:35,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:20:35,918 INFO L208 MainTranslator]: Completed translation [2020-07-20 11:20:35,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35 WrapperNode [2020-07-20 11:20:35,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 11:20:35,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 11:20:35,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 11:20:35,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 11:20:35,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35" (1/1) ... [2020-07-20 11:20:35,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35" (1/1) ... [2020-07-20 11:20:35,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35" (1/1) ... [2020-07-20 11:20:35,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35" (1/1) ... [2020-07-20 11:20:35,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35" (1/1) ... [2020-07-20 11:20:35,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35" (1/1) ... [2020-07-20 11:20:35,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35" (1/1) ... [2020-07-20 11:20:35,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 11:20:35,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 11:20:35,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 11:20:35,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 11:20:35,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35" (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 [2020-07-20 11:20:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 11:20:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 11:20:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-07-20 11:20:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-07-20 11:20:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-07-20 11:20:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 11:20:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-07-20 11:20:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-07-20 11:20:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-07-20 11:20:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-07-20 11:20:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-07-20 11:20:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-07-20 11:20:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-07-20 11:20:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-07-20 11:20:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-07-20 11:20:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-07-20 11:20:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-07-20 11:20:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-07-20 11:20:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 11:20:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-20 11:20:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 11:20:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-20 11:20:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-07-20 11:20:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-07-20 11:20:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-07-20 11:20:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-07-20 11:20:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-07-20 11:20:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-07-20 11:20:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-07-20 11:20:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-07-20 11:20:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-07-20 11:20:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-07-20 11:20:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-07-20 11:20:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-07-20 11:20:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-07-20 11:20:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-07-20 11:20:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 11:20:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-07-20 11:20:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 11:20:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 11:20:36,360 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 11:20:36,432 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-07-20 11:20:36,433 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-07-20 11:20:36,463 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 11:20:36,570 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-07-20 11:20:36,570 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-07-20 11:20:36,572 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 11:20:36,612 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-07-20 11:20:36,612 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-07-20 11:20:36,624 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 11:20:36,699 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-07-20 11:20:36,699 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-07-20 11:20:36,828 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 11:20:36,851 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-07-20 11:20:36,852 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-07-20 11:20:36,888 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 11:20:37,018 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-07-20 11:20:37,018 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-07-20 11:20:37,038 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 11:20:37,039 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 11:20:37,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:20:37 BoogieIcfgContainer [2020-07-20 11:20:37,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 11:20:37,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 11:20:37,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 11:20:37,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 11:20:37,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:20:35" (1/3) ... [2020-07-20 11:20:37,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f50cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:20:37, skipping insertion in model container [2020-07-20 11:20:37,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:20:35" (2/3) ... [2020-07-20 11:20:37,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f50cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:20:37, skipping insertion in model container [2020-07-20 11:20:37,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:20:37" (3/3) ... [2020-07-20 11:20:37,056 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2020-07-20 11:20:37,068 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 11:20:37,078 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 11:20:37,093 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 11:20:37,122 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 11:20:37,122 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 11:20:37,123 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 11:20:37,123 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 11:20:37,123 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 11:20:37,123 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 11:20:37,124 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 11:20:37,124 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 11:20:37,151 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states. [2020-07-20 11:20:37,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-20 11:20:37,160 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:37,161 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] [2020-07-20 11:20:37,162 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:37,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:37,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1712773315, now seen corresponding path program 1 times [2020-07-20 11:20:37,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:37,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272280413] [2020-07-20 11:20:37,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:37,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 11:20:37,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:37,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:37,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272280413] [2020-07-20 11:20:37,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:37,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:20:37,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842639650] [2020-07-20 11:20:37,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:20:37,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:37,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:20:37,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:37,425 INFO L87 Difference]: Start difference. First operand 239 states. Second operand 3 states. [2020-07-20 11:20:37,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:37,541 INFO L93 Difference]: Finished difference Result 388 states and 582 transitions. [2020-07-20 11:20:37,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:20:37,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-20 11:20:37,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:37,560 INFO L225 Difference]: With dead ends: 388 [2020-07-20 11:20:37,561 INFO L226 Difference]: Without dead ends: 228 [2020-07-20 11:20:37,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:37,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-07-20 11:20:37,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2020-07-20 11:20:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-20 11:20:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 322 transitions. [2020-07-20 11:20:37,640 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 322 transitions. Word has length 20 [2020-07-20 11:20:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:37,640 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 322 transitions. [2020-07-20 11:20:37,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:20:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 322 transitions. [2020-07-20 11:20:37,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-20 11:20:37,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:37,643 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] [2020-07-20 11:20:37,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:37,857 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:37,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:37,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1840561730, now seen corresponding path program 1 times [2020-07-20 11:20:37,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:37,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323539712] [2020-07-20 11:20:37,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:38,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 11:20:38,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:38,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:38,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:38,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323539712] [2020-07-20 11:20:38,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:38,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:20:38,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627855202] [2020-07-20 11:20:38,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:20:38,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:38,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:20:38,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:38,095 INFO L87 Difference]: Start difference. First operand 228 states and 322 transitions. Second operand 3 states. [2020-07-20 11:20:38,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:38,344 INFO L93 Difference]: Finished difference Result 366 states and 502 transitions. [2020-07-20 11:20:38,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:20:38,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-07-20 11:20:38,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:38,355 INFO L225 Difference]: With dead ends: 366 [2020-07-20 11:20:38,355 INFO L226 Difference]: Without dead ends: 308 [2020-07-20 11:20:38,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:38,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-07-20 11:20:38,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 295. [2020-07-20 11:20:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-07-20 11:20:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 404 transitions. [2020-07-20 11:20:38,413 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 404 transitions. Word has length 28 [2020-07-20 11:20:38,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:38,414 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 404 transitions. [2020-07-20 11:20:38,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:20:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 404 transitions. [2020-07-20 11:20:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-20 11:20:38,416 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:38,417 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] [2020-07-20 11:20:38,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:38,631 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:38,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:38,632 INFO L82 PathProgramCache]: Analyzing trace with hash -919522484, now seen corresponding path program 1 times [2020-07-20 11:20:38,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:38,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538713604] [2020-07-20 11:20:38,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:38,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:20:38,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:38,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:38,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538713604] [2020-07-20 11:20:38,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:38,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:20:38,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310196492] [2020-07-20 11:20:38,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:20:38,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:38,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:20:38,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:38,810 INFO L87 Difference]: Start difference. First operand 295 states and 404 transitions. Second operand 3 states. [2020-07-20 11:20:38,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:38,848 INFO L93 Difference]: Finished difference Result 472 states and 628 transitions. [2020-07-20 11:20:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:20:38,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-07-20 11:20:38,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:38,853 INFO L225 Difference]: With dead ends: 472 [2020-07-20 11:20:38,853 INFO L226 Difference]: Without dead ends: 356 [2020-07-20 11:20:38,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:38,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-07-20 11:20:38,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 335. [2020-07-20 11:20:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-20 11:20:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 455 transitions. [2020-07-20 11:20:38,887 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 455 transitions. Word has length 28 [2020-07-20 11:20:38,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:38,888 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 455 transitions. [2020-07-20 11:20:38,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:20:38,888 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 455 transitions. [2020-07-20 11:20:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-20 11:20:38,891 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:38,891 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] [2020-07-20 11:20:39,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:39,106 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:39,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:39,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1823384951, now seen corresponding path program 1 times [2020-07-20 11:20:39,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:39,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200550149] [2020-07-20 11:20:39,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:39,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:20:39,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:39,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:39,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200550149] [2020-07-20 11:20:39,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:39,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:20:39,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27856407] [2020-07-20 11:20:39,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:20:39,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:39,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:20:39,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:39,266 INFO L87 Difference]: Start difference. First operand 335 states and 455 transitions. Second operand 3 states. [2020-07-20 11:20:39,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:39,380 INFO L93 Difference]: Finished difference Result 338 states and 457 transitions. [2020-07-20 11:20:39,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:20:39,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-07-20 11:20:39,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:39,387 INFO L225 Difference]: With dead ends: 338 [2020-07-20 11:20:39,387 INFO L226 Difference]: Without dead ends: 334 [2020-07-20 11:20:39,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:39,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-20 11:20:39,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2020-07-20 11:20:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-07-20 11:20:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 452 transitions. [2020-07-20 11:20:39,432 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 452 transitions. Word has length 38 [2020-07-20 11:20:39,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:39,432 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 452 transitions. [2020-07-20 11:20:39,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:20:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 452 transitions. [2020-07-20 11:20:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 11:20:39,446 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:39,446 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] [2020-07-20 11:20:39,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:39,647 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:39,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:39,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1946925920, now seen corresponding path program 1 times [2020-07-20 11:20:39,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:39,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354126363] [2020-07-20 11:20:39,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:39,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 11:20:39,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:39,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:39,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354126363] [2020-07-20 11:20:39,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:39,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:20:39,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498279361] [2020-07-20 11:20:39,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:20:39,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:39,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:20:39,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:39,833 INFO L87 Difference]: Start difference. First operand 334 states and 452 transitions. Second operand 3 states. [2020-07-20 11:20:39,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:39,869 INFO L93 Difference]: Finished difference Result 379 states and 501 transitions. [2020-07-20 11:20:39,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:20:39,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-20 11:20:39,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:39,872 INFO L225 Difference]: With dead ends: 379 [2020-07-20 11:20:39,872 INFO L226 Difference]: Without dead ends: 313 [2020-07-20 11:20:39,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:39,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-07-20 11:20:39,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 295. [2020-07-20 11:20:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-07-20 11:20:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 395 transitions. [2020-07-20 11:20:39,892 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 395 transitions. Word has length 46 [2020-07-20 11:20:39,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:39,893 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 395 transitions. [2020-07-20 11:20:39,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:20:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 395 transitions. [2020-07-20 11:20:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-20 11:20:39,895 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:39,895 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] [2020-07-20 11:20:40,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:40,112 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:40,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:40,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1615603168, now seen corresponding path program 1 times [2020-07-20 11:20:40,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:40,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086835607] [2020-07-20 11:20:40,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:40,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 11:20:40,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:40,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:40,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086835607] [2020-07-20 11:20:40,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:40,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:20:40,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343674453] [2020-07-20 11:20:40,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:20:40,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:40,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:20:40,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:40,292 INFO L87 Difference]: Start difference. First operand 295 states and 395 transitions. Second operand 3 states. [2020-07-20 11:20:40,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:40,321 INFO L93 Difference]: Finished difference Result 304 states and 406 transitions. [2020-07-20 11:20:40,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:20:40,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-20 11:20:40,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:40,323 INFO L225 Difference]: With dead ends: 304 [2020-07-20 11:20:40,323 INFO L226 Difference]: Without dead ends: 102 [2020-07-20 11:20:40,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:40,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-20 11:20:40,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-07-20 11:20:40,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-20 11:20:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-07-20 11:20:40,332 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 45 [2020-07-20 11:20:40,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:40,332 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-07-20 11:20:40,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:20:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-07-20 11:20:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 11:20:40,333 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:40,333 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] [2020-07-20 11:20:40,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:40,548 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:40,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:40,549 INFO L82 PathProgramCache]: Analyzing trace with hash -582629432, now seen corresponding path program 1 times [2020-07-20 11:20:40,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:40,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646101111] [2020-07-20 11:20:40,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:40,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 11:20:40,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:40,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:40,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646101111] [2020-07-20 11:20:40,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:40,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:20:40,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019636889] [2020-07-20 11:20:40,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:20:40,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:40,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:20:40,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:40,693 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 3 states. [2020-07-20 11:20:40,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:40,727 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions. [2020-07-20 11:20:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:20:40,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 11:20:40,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:40,729 INFO L225 Difference]: With dead ends: 130 [2020-07-20 11:20:40,729 INFO L226 Difference]: Without dead ends: 100 [2020-07-20 11:20:40,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:40,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-07-20 11:20:40,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-07-20 11:20:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-07-20 11:20:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-07-20 11:20:40,736 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 53 [2020-07-20 11:20:40,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:40,737 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-07-20 11:20:40,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:20:40,737 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-07-20 11:20:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 11:20:40,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:40,738 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] [2020-07-20 11:20:40,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:40,953 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:40,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:40,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1306380805, now seen corresponding path program 1 times [2020-07-20 11:20:40,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:40,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029891855] [2020-07-20 11:20:40,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:41,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 11:20:41,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:41,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:41,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:41,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029891855] [2020-07-20 11:20:41,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:41,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:20:41,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424593039] [2020-07-20 11:20:41,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:20:41,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:41,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:20:41,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:41,111 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 3 states. [2020-07-20 11:20:41,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:41,181 INFO L93 Difference]: Finished difference Result 116 states and 131 transitions. [2020-07-20 11:20:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:20:41,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 11:20:41,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:41,183 INFO L225 Difference]: With dead ends: 116 [2020-07-20 11:20:41,183 INFO L226 Difference]: Without dead ends: 111 [2020-07-20 11:20:41,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:41,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-07-20 11:20:41,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 102. [2020-07-20 11:20:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-20 11:20:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 115 transitions. [2020-07-20 11:20:41,194 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 115 transitions. Word has length 57 [2020-07-20 11:20:41,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:41,194 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 115 transitions. [2020-07-20 11:20:41,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:20:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2020-07-20 11:20:41,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 11:20:41,195 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:41,195 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] [2020-07-20 11:20:41,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:41,397 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:41,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:41,397 INFO L82 PathProgramCache]: Analyzing trace with hash -538994442, now seen corresponding path program 1 times [2020-07-20 11:20:41,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:41,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320044792] [2020-07-20 11:20:41,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:41,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 11:20:41,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:41,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:41,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320044792] [2020-07-20 11:20:41,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:41,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 11:20:41,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772343175] [2020-07-20 11:20:41,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 11:20:41,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:41,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 11:20:41,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:20:41,567 INFO L87 Difference]: Start difference. First operand 102 states and 115 transitions. Second operand 6 states. [2020-07-20 11:20:41,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:41,632 INFO L93 Difference]: Finished difference Result 129 states and 146 transitions. [2020-07-20 11:20:41,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 11:20:41,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 11:20:41,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:41,635 INFO L225 Difference]: With dead ends: 129 [2020-07-20 11:20:41,635 INFO L226 Difference]: Without dead ends: 122 [2020-07-20 11:20:41,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:20:41,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-07-20 11:20:41,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112. [2020-07-20 11:20:41,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-20 11:20:41,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2020-07-20 11:20:41,643 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 57 [2020-07-20 11:20:41,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:41,644 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2020-07-20 11:20:41,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 11:20:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2020-07-20 11:20:41,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 11:20:41,645 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:41,646 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] [2020-07-20 11:20:41,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:41,860 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:41,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:41,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1535327622, now seen corresponding path program 1 times [2020-07-20 11:20:41,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:41,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248890270] [2020-07-20 11:20:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:41,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 11:20:41,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:42,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:42,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248890270] [2020-07-20 11:20:42,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:42,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:20:42,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467276585] [2020-07-20 11:20:42,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:20:42,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:42,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:20:42,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:20:42,023 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand 5 states. [2020-07-20 11:20:42,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:42,041 INFO L93 Difference]: Finished difference Result 150 states and 173 transitions. [2020-07-20 11:20:42,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 11:20:42,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-07-20 11:20:42,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:42,043 INFO L225 Difference]: With dead ends: 150 [2020-07-20 11:20:42,043 INFO L226 Difference]: Without dead ends: 104 [2020-07-20 11:20:42,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:20:42,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-20 11:20:42,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-20 11:20:42,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-20 11:20:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2020-07-20 11:20:42,051 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 58 [2020-07-20 11:20:42,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:42,051 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2020-07-20 11:20:42,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:20:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2020-07-20 11:20:42,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 11:20:42,052 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:42,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:20:42,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:42,267 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:42,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:42,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1832020397, now seen corresponding path program 1 times [2020-07-20 11:20:42,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:42,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056614719] [2020-07-20 11:20:42,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:42,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:20:42,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:42,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:42,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056614719] [2020-07-20 11:20:42,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:42,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 11:20:42,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528653228] [2020-07-20 11:20:42,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 11:20:42,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:42,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 11:20:42,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 11:20:42,464 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand 4 states. [2020-07-20 11:20:42,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:42,532 INFO L93 Difference]: Finished difference Result 134 states and 151 transitions. [2020-07-20 11:20:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 11:20:42,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2020-07-20 11:20:42,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:42,534 INFO L225 Difference]: With dead ends: 134 [2020-07-20 11:20:42,534 INFO L226 Difference]: Without dead ends: 96 [2020-07-20 11:20:42,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 11:20:42,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-07-20 11:20:42,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2020-07-20 11:20:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-20 11:20:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2020-07-20 11:20:42,543 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 62 [2020-07-20 11:20:42,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:42,544 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2020-07-20 11:20:42,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 11:20:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2020-07-20 11:20:42,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 11:20:42,545 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:42,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:20:42,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:42,760 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:42,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:42,761 INFO L82 PathProgramCache]: Analyzing trace with hash 467391660, now seen corresponding path program 1 times [2020-07-20 11:20:42,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:42,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853791079] [2020-07-20 11:20:42,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:42,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 11:20:42,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:42,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:42,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853791079] [2020-07-20 11:20:42,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:42,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:20:42,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992871261] [2020-07-20 11:20:42,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:20:42,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:42,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:20:42,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:42,940 INFO L87 Difference]: Start difference. First operand 95 states and 103 transitions. Second operand 3 states. [2020-07-20 11:20:42,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:42,963 INFO L93 Difference]: Finished difference Result 131 states and 144 transitions. [2020-07-20 11:20:42,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:20:42,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 11:20:42,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:42,965 INFO L225 Difference]: With dead ends: 131 [2020-07-20 11:20:42,965 INFO L226 Difference]: Without dead ends: 101 [2020-07-20 11:20:42,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:42,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-20 11:20:42,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-07-20 11:20:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-07-20 11:20:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2020-07-20 11:20:42,973 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 64 [2020-07-20 11:20:42,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:42,974 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2020-07-20 11:20:42,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:20:42,974 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2020-07-20 11:20:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 11:20:42,975 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:42,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:20:43,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:43,189 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:43,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:43,190 INFO L82 PathProgramCache]: Analyzing trace with hash -543725590, now seen corresponding path program 1 times [2020-07-20 11:20:43,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:43,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789747535] [2020-07-20 11:20:43,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:43,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:20:43,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:43,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:43,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789747535] [2020-07-20 11:20:43,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:43,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 11:20:43,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193213372] [2020-07-20 11:20:43,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 11:20:43,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:43,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 11:20:43,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:20:43,368 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand 6 states. [2020-07-20 11:20:43,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:43,405 INFO L93 Difference]: Finished difference Result 112 states and 119 transitions. [2020-07-20 11:20:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 11:20:43,405 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-20 11:20:43,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:43,406 INFO L225 Difference]: With dead ends: 112 [2020-07-20 11:20:43,407 INFO L226 Difference]: Without dead ends: 93 [2020-07-20 11:20:43,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:20:43,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-07-20 11:20:43,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-07-20 11:20:43,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-20 11:20:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2020-07-20 11:20:43,415 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 64 [2020-07-20 11:20:43,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:43,415 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2020-07-20 11:20:43,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 11:20:43,416 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2020-07-20 11:20:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 11:20:43,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:43,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:20:43,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:43,631 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:43,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:43,631 INFO L82 PathProgramCache]: Analyzing trace with hash -603130258, now seen corresponding path program 1 times [2020-07-20 11:20:43,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:43,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159380650] [2020-07-20 11:20:43,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:43,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:20:43,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:43,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:43,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159380650] [2020-07-20 11:20:43,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:43,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:20:43,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596078367] [2020-07-20 11:20:43,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:20:43,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:43,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:20:43,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:43,795 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand 3 states. [2020-07-20 11:20:43,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:43,815 INFO L93 Difference]: Finished difference Result 109 states and 116 transitions. [2020-07-20 11:20:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:20:43,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 11:20:43,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:43,816 INFO L225 Difference]: With dead ends: 109 [2020-07-20 11:20:43,816 INFO L226 Difference]: Without dead ends: 78 [2020-07-20 11:20:43,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:20:43,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-20 11:20:43,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-07-20 11:20:43,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-20 11:20:43,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2020-07-20 11:20:43,824 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 65 [2020-07-20 11:20:43,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:43,826 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2020-07-20 11:20:43,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:20:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2020-07-20 11:20:43,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 11:20:43,829 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:43,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:20:44,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:44,044 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:44,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:44,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1151601388, now seen corresponding path program 1 times [2020-07-20 11:20:44,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:44,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603198830] [2020-07-20 11:20:44,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:44,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 11:20:44,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:44,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:44,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:44,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603198830] [2020-07-20 11:20:44,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:44,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 11:20:44,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052344997] [2020-07-20 11:20:44,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 11:20:44,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:44,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 11:20:44,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:20:44,230 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 6 states. [2020-07-20 11:20:44,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:44,263 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2020-07-20 11:20:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 11:20:44,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-20 11:20:44,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:44,265 INFO L225 Difference]: With dead ends: 87 [2020-07-20 11:20:44,265 INFO L226 Difference]: Without dead ends: 78 [2020-07-20 11:20:44,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:20:44,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-20 11:20:44,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-07-20 11:20:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-20 11:20:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2020-07-20 11:20:44,271 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 65 [2020-07-20 11:20:44,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:44,271 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2020-07-20 11:20:44,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 11:20:44,272 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2020-07-20 11:20:44,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-20 11:20:44,273 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:20:44,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:20:44,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:44,474 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:20:44,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:20:44,475 INFO L82 PathProgramCache]: Analyzing trace with hash -42695807, now seen corresponding path program 1 times [2020-07-20 11:20:44,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:20:44,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233952540] [2020-07-20 11:20:44,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:20:44,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:20:44,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:20:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:20:44,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:20:44,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233952540] [2020-07-20 11:20:44,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:20:44,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:20:44,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836684899] [2020-07-20 11:20:44,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:20:44,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:20:44,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:20:44,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:20:44,661 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 5 states. [2020-07-20 11:20:44,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:20:44,749 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2020-07-20 11:20:44,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 11:20:44,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-20 11:20:44,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:20:44,751 INFO L225 Difference]: With dead ends: 78 [2020-07-20 11:20:44,751 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 11:20:44,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:20:44,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 11:20:44,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 11:20:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 11:20:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 11:20:44,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-07-20 11:20:44,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:20:44,754 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 11:20:44,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:20:44,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 11:20:44,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 11:20:44,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:20:44,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 11:20:45,924 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-07-20 11:20:47,532 INFO L271 CegarLoopResult]: At program point KeSetEventENTRY(lines 566 573) the Hoare annotation is: true [2020-07-20 11:20:47,532 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 566 573) no Hoare annotation was computed. [2020-07-20 11:20:47,532 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 566 573) no Hoare annotation was computed. [2020-07-20 11:20:47,532 INFO L271 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 616 626) the Hoare annotation is: true [2020-07-20 11:20:47,533 INFO L271 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: true [2020-07-20 11:20:47,533 INFO L268 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-07-20 11:20:47,533 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 616 626) no Hoare annotation was computed. [2020-07-20 11:20:47,533 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 616 626) no Hoare annotation was computed. [2020-07-20 11:20:47,533 INFO L268 CegarLoopResult]: For program point L704(lines 704 725) no Hoare annotation was computed. [2020-07-20 11:20:47,533 INFO L268 CegarLoopResult]: For program point L698(lines 698 727) no Hoare annotation was computed. [2020-07-20 11:20:47,534 INFO L268 CegarLoopResult]: For program point KbFilter_PowerEXIT(lines 687 742) no Hoare annotation was computed. [2020-07-20 11:20:47,534 INFO L264 CegarLoopResult]: At program point KbFilter_PowerENTRY(lines 687 742) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,534 INFO L268 CegarLoopResult]: For program point L707(lines 707 724) no Hoare annotation was computed. [2020-07-20 11:20:47,534 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (= ~SKIP1~0 ~s~0)) [2020-07-20 11:20:47,534 INFO L268 CegarLoopResult]: For program point L738-1(line 738) no Hoare annotation was computed. [2020-07-20 11:20:47,535 INFO L268 CegarLoopResult]: For program point L701(lines 701 726) no Hoare annotation was computed. [2020-07-20 11:20:47,535 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~s~0)| ~NP~0)) (not (= 0 ~compRegistered~0))) [2020-07-20 11:20:47,535 INFO L264 CegarLoopResult]: At program point L699(lines 698 727) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,535 INFO L268 CegarLoopResult]: For program point L732-1(lines 728 734) no Hoare annotation was computed. [2020-07-20 11:20:47,535 INFO L268 CegarLoopResult]: For program point KbFilter_PowerFINAL(lines 687 742) no Hoare annotation was computed. [2020-07-20 11:20:47,536 INFO L264 CegarLoopResult]: At program point L722(lines 697 741) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,536 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 41 54) no Hoare annotation was computed. [2020-07-20 11:20:47,536 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 41 54) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (and (= ~s~0 |old(~s~0)|) (= 0 ~compRegistered~0) (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,536 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 41 54) no Hoare annotation was computed. [2020-07-20 11:20:47,536 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 55 76) no Hoare annotation was computed. [2020-07-20 11:20:47,536 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 55 76) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~s~0 |old(~s~0)|) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (<= ~pended~0 0) (= ~SKIP1~0 ~s~0))) [2020-07-20 11:20:47,536 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 55 76) no Hoare annotation was computed. [2020-07-20 11:20:47,537 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 1007 1014) the Hoare annotation is: true [2020-07-20 11:20:47,537 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 1007 1014) no Hoare annotation was computed. [2020-07-20 11:20:47,537 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 1007 1014) no Hoare annotation was computed. [2020-07-20 11:20:47,537 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2020-07-20 11:20:47,537 INFO L268 CegarLoopResult]: For program point L448(lines 448 450) no Hoare annotation was computed. [2020-07-20 11:20:47,537 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 293 464) no Hoare annotation was computed. [2020-07-20 11:20:47,537 INFO L264 CegarLoopResult]: At program point L374(lines 373 406) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (<= 0 main_~status~1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,537 INFO L268 CegarLoopResult]: For program point L432(lines 432 434) no Hoare annotation was computed. [2020-07-20 11:20:47,538 INFO L268 CegarLoopResult]: For program point L366(lines 366 407) no Hoare annotation was computed. [2020-07-20 11:20:47,538 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-20 11:20:47,538 INFO L268 CegarLoopResult]: For program point L441(lines 441 445) no Hoare annotation was computed. [2020-07-20 11:20:47,538 INFO L268 CegarLoopResult]: For program point L342(lines 328 411) no Hoare annotation was computed. [2020-07-20 11:20:47,538 INFO L264 CegarLoopResult]: At program point L367(lines 366 407) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~s~0 ~NP~0) (<= 0 main_~status~1) (= 0 ~compRegistered~0) (<= ~pended~0 0)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,538 INFO L264 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (<= 0 main_~status~1) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (<= ~pended~0 0) (= ~SKIP1~0 ~s~0))) [2020-07-20 11:20:47,538 INFO L268 CegarLoopResult]: For program point L326-1(lines 322 463) no Hoare annotation was computed. [2020-07-20 11:20:47,538 INFO L268 CegarLoopResult]: For program point L351(lines 351 410) no Hoare annotation was computed. [2020-07-20 11:20:47,538 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 293 464) no Hoare annotation was computed. [2020-07-20 11:20:47,538 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-07-20 11:20:47,539 INFO L264 CegarLoopResult]: At program point L352(lines 351 410) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~s~0 ~NP~0) (<= 0 main_~status~1) (= 0 ~compRegistered~0) (<= ~pended~0 0)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,539 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 293 464) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~s~0 |old(~s~0)|) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (<= ~pended~0 0) (= ~SKIP1~0 ~s~0))) [2020-07-20 11:20:47,539 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,539 INFO L264 CegarLoopResult]: At program point L427(lines 420 460) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (<= ~pended~0 0) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,539 INFO L268 CegarLoopResult]: For program point L361(lines 361 408) no Hoare annotation was computed. [2020-07-20 11:20:47,539 INFO L264 CegarLoopResult]: At program point L328(lines 322 463) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (<= ~pended~0 0) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,539 INFO L268 CegarLoopResult]: For program point L452(lines 452 454) no Hoare annotation was computed. [2020-07-20 11:20:47,540 INFO L264 CegarLoopResult]: At program point L419(lines 412 461) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (<= ~pended~0 0) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,540 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-07-20 11:20:47,540 INFO L268 CegarLoopResult]: For program point L337(lines 337 340) no Hoare annotation was computed. [2020-07-20 11:20:47,540 INFO L264 CegarLoopResult]: At program point L337-2(lines 337 340) the Hoare annotation is: (or (and (<= ~NP~0 1) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0) (<= ~pended~0 0)) (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,540 INFO L268 CegarLoopResult]: For program point L428(lines 412 461) no Hoare annotation was computed. [2020-07-20 11:20:47,540 INFO L264 CegarLoopResult]: At program point L362(lines 361 408) the Hoare annotation is: (or (and (<= ~NP~0 1) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0) (<= ~pended~0 0)) (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,541 INFO L268 CegarLoopResult]: For program point L371(lines 371 406) no Hoare annotation was computed. [2020-07-20 11:20:47,541 INFO L268 CegarLoopResult]: For program point L429(lines 429 458) no Hoare annotation was computed. [2020-07-20 11:20:47,541 INFO L268 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-07-20 11:20:47,541 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-07-20 11:20:47,541 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-07-20 11:20:47,541 INFO L264 CegarLoopResult]: At program point L372(lines 371 406) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~s~0 ~NP~0) (<= 0 main_~status~1) (= 0 ~compRegistered~0) (<= ~pended~0 0)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,541 INFO L268 CegarLoopResult]: For program point L430(lines 430 457) no Hoare annotation was computed. [2020-07-20 11:20:47,542 INFO L268 CegarLoopResult]: For program point L356(lines 356 409) no Hoare annotation was computed. [2020-07-20 11:20:47,542 INFO L268 CegarLoopResult]: For program point L447(lines 447 455) no Hoare annotation was computed. [2020-07-20 11:20:47,542 INFO L264 CegarLoopResult]: At program point L439(lines 430 457) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (<= ~pended~0 0) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,542 INFO L268 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-07-20 11:20:47,542 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 11:20:47,542 INFO L264 CegarLoopResult]: At program point L357(lines 356 409) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~s~0 ~NP~0) (<= 0 main_~status~1) (= 0 ~compRegistered~0) (<= ~pended~0 0)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-20 11:20:47,543 INFO L264 CegarLoopResult]: At program point L510(lines 509 524) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (and (= ~MPR1~0 ~s~0) (= 0 (+ IofCallDriver_~__cil_tmp7~0 1073741802)) (= ~setEventCalled~0 1)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)))) [2020-07-20 11:20:47,543 INFO L268 CegarLoopResult]: For program point L539(lines 539 546) no Hoare annotation was computed. [2020-07-20 11:20:47,543 INFO L268 CegarLoopResult]: For program point L502(lines 502 525) no Hoare annotation was computed. [2020-07-20 11:20:47,543 INFO L268 CegarLoopResult]: For program point L531(lines 531 537) no Hoare annotation was computed. [2020-07-20 11:20:47,543 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= ~NP~0 1)) .cse0 (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (not (<= 1 ~compRegistered~0))) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0))))) [2020-07-20 11:20:47,543 INFO L268 CegarLoopResult]: For program point L544-1(lines 526 548) no Hoare annotation was computed. [2020-07-20 11:20:47,543 INFO L268 CegarLoopResult]: For program point L507(lines 507 524) no Hoare annotation was computed. [2020-07-20 11:20:47,543 INFO L264 CegarLoopResult]: At program point L503(lines 502 525) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~MPR1~0 ~s~0) (= 0 (+ IofCallDriver_~__cil_tmp7~0 1073741802))) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)))) [2020-07-20 11:20:47,543 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 479 551) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) (or .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))))) [2020-07-20 11:20:47,543 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (and (= ~s~0 |old(~s~0)|) (= 0 (+ IofCallDriver_~__cil_tmp7~0 1073741802)) (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0))))) [2020-07-20 11:20:47,544 INFO L268 CegarLoopResult]: For program point L487(lines 487 499) no Hoare annotation was computed. [2020-07-20 11:20:47,544 INFO L268 CegarLoopResult]: For program point L487-1(lines 487 499) no Hoare annotation was computed. [2020-07-20 11:20:47,544 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 479 551) no Hoare annotation was computed. [2020-07-20 11:20:47,544 INFO L264 CegarLoopResult]: At program point L508(lines 507 524) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~MPR1~0 ~s~0) (= 0 (+ IofCallDriver_~__cil_tmp7~0 1073741802))) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)))) [2020-07-20 11:20:47,544 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 479 551) no Hoare annotation was computed. [2020-07-20 11:20:47,544 INFO L268 CegarLoopResult]: For program point L530(lines 530 547) no Hoare annotation was computed. [2020-07-20 11:20:47,544 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-07-20 11:20:47,544 INFO L264 CegarLoopResult]: At program point L522(lines 486 550) the Hoare annotation is: (let ((.cse2 (not (<= ~pended~0 0)))) (and (let ((.cse0 (= ~MPR1~0 ~s~0)) (.cse1 (= 0 (+ IofCallDriver_~__cil_tmp7~0 1073741802)))) (or (and .cse0 .cse1 (= ~setEventCalled~0 1) (= 259 IofCallDriver_~returnVal2~0)) (and .cse0 (<= IofCallDriver_~returnVal2~0 0) .cse1) .cse2 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0)))) (or .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)))) [2020-07-20 11:20:47,544 INFO L264 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0))))) [2020-07-20 11:20:47,544 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-07-20 11:20:47,545 INFO L264 CegarLoopResult]: At program point L473(line 473) the Hoare annotation is: (or (not (= 1 ~setEventCalled~0)) (not (<= ~NP~0 1)) (not (<= ~pended~0 0)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (not (<= 1 ~compRegistered~0))) [2020-07-20 11:20:47,545 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 465 478) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) (not (<= ~NP~0 1)) (not (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-20 11:20:47,545 INFO L268 CegarLoopResult]: For program point L473-1(lines 465 478) no Hoare annotation was computed. [2020-07-20 11:20:47,545 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 465 478) no Hoare annotation was computed. [2020-07-20 11:20:47,545 INFO L268 CegarLoopResult]: For program point L795(lines 795 815) no Hoare annotation was computed. [2020-07-20 11:20:47,545 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-07-20 11:20:47,545 INFO L264 CegarLoopResult]: At program point L787(lines 751 818) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) [2020-07-20 11:20:47,545 INFO L268 CegarLoopResult]: For program point PoCallDriverEXIT(lines 743 819) no Hoare annotation was computed. [2020-07-20 11:20:47,545 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0))) [2020-07-20 11:20:47,545 INFO L268 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-07-20 11:20:47,545 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0))) [2020-07-20 11:20:47,545 INFO L268 CegarLoopResult]: For program point L812-1(lines 791 816) no Hoare annotation was computed. [2020-07-20 11:20:47,546 INFO L264 CegarLoopResult]: At program point L775(lines 774 789) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) [2020-07-20 11:20:47,546 INFO L268 CegarLoopResult]: For program point L767(lines 767 790) no Hoare annotation was computed. [2020-07-20 11:20:47,546 INFO L268 CegarLoopResult]: For program point PoCallDriverFINAL(lines 743 819) no Hoare annotation was computed. [2020-07-20 11:20:47,546 INFO L264 CegarLoopResult]: At program point PoCallDriverENTRY(lines 743 819) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) [2020-07-20 11:20:47,546 INFO L268 CegarLoopResult]: For program point L772(lines 772 789) no Hoare annotation was computed. [2020-07-20 11:20:47,546 INFO L264 CegarLoopResult]: At program point L768(lines 767 790) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) [2020-07-20 11:20:47,546 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0))) [2020-07-20 11:20:47,546 INFO L268 CegarLoopResult]: For program point L752(lines 752 764) no Hoare annotation was computed. [2020-07-20 11:20:47,546 INFO L268 CegarLoopResult]: For program point L752-1(lines 752 764) no Hoare annotation was computed. [2020-07-20 11:20:47,546 INFO L264 CegarLoopResult]: At program point L773(lines 772 789) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) [2020-07-20 11:20:47,546 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-07-20 11:20:47,547 INFO L268 CegarLoopResult]: For program point L807(lines 807 814) no Hoare annotation was computed. [2020-07-20 11:20:47,547 INFO L268 CegarLoopResult]: For program point L636(lines 636 654) no Hoare annotation was computed. [2020-07-20 11:20:47,547 INFO L268 CegarLoopResult]: For program point KbFilter_CreateCloseEXIT(lines 627 662) no Hoare annotation was computed. [2020-07-20 11:20:47,547 INFO L264 CegarLoopResult]: At program point L651(lines 639 653) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,547 INFO L264 CegarLoopResult]: At program point L643(lines 636 654) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,547 INFO L268 CegarLoopResult]: For program point L639(lines 639 653) no Hoare annotation was computed. [2020-07-20 11:20:47,547 INFO L264 CegarLoopResult]: At program point KbFilter_CreateCloseENTRY(lines 627 662) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,547 INFO L264 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,548 INFO L268 CegarLoopResult]: For program point L658-1(line 658) no Hoare annotation was computed. [2020-07-20 11:20:47,548 INFO L268 CegarLoopResult]: For program point KbFilter_CreateCloseFINAL(lines 627 662) no Hoare annotation was computed. [2020-07-20 11:20:47,548 INFO L268 CegarLoopResult]: For program point L642(lines 642 652) no Hoare annotation was computed. [2020-07-20 11:20:47,548 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:20:47,548 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~s~0 |old(~s~0)|) [2020-07-20 11:20:47,548 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:20:47,548 INFO L268 CegarLoopResult]: For program point L894(lines 894 982) no Hoare annotation was computed. [2020-07-20 11:20:47,549 INFO L264 CegarLoopResult]: At program point L890(lines 889 984) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,549 INFO L268 CegarLoopResult]: For program point L915(lines 915 976) no Hoare annotation was computed. [2020-07-20 11:20:47,549 INFO L264 CegarLoopResult]: At program point L882(lines 881 986) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,549 INFO L268 CegarLoopResult]: For program point KbFilter_InternIoCtlEXIT(lines 820 1005) no Hoare annotation was computed. [2020-07-20 11:20:47,549 INFO L268 CegarLoopResult]: For program point L932(lines 932 971) no Hoare annotation was computed. [2020-07-20 11:20:47,549 INFO L268 CegarLoopResult]: For program point L957-1(lines 957 959) no Hoare annotation was computed. [2020-07-20 11:20:47,549 INFO L268 CegarLoopResult]: For program point L908(lines 908 978) no Hoare annotation was computed. [2020-07-20 11:20:47,549 INFO L264 CegarLoopResult]: At program point L970(lines 865 1004) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,550 INFO L264 CegarLoopResult]: At program point L933(lines 873 988) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,550 INFO L264 CegarLoopResult]: At program point L995(line 995) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,550 INFO L268 CegarLoopResult]: For program point L995-1(line 995) no Hoare annotation was computed. [2020-07-20 11:20:47,550 INFO L268 CegarLoopResult]: For program point L929(lines 929 972) no Hoare annotation was computed. [2020-07-20 11:20:47,550 INFO L268 CegarLoopResult]: For program point L954(lines 954 956) no Hoare annotation was computed. [2020-07-20 11:20:47,550 INFO L268 CegarLoopResult]: For program point L954-2(lines 932 969) no Hoare annotation was computed. [2020-07-20 11:20:47,550 INFO L268 CegarLoopResult]: For program point L938(lines 938 941) no Hoare annotation was computed. [2020-07-20 11:20:47,550 INFO L268 CegarLoopResult]: For program point L901(lines 901 980) no Hoare annotation was computed. [2020-07-20 11:20:47,551 INFO L268 CegarLoopResult]: For program point L922(lines 922 974) no Hoare annotation was computed. [2020-07-20 11:20:47,551 INFO L268 CegarLoopResult]: For program point L889(lines 889 984) no Hoare annotation was computed. [2020-07-20 11:20:47,551 INFO L264 CegarLoopResult]: At program point KbFilter_InternIoCtlENTRY(lines 820 1005) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,551 INFO L268 CegarLoopResult]: For program point L881(lines 881 986) no Hoare annotation was computed. [2020-07-20 11:20:47,551 INFO L268 CegarLoopResult]: For program point L873(lines 873 988) no Hoare annotation was computed. [2020-07-20 11:20:47,551 INFO L264 CegarLoopResult]: At program point L1001(line 1001) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,551 INFO L268 CegarLoopResult]: For program point L1001-1(line 1001) no Hoare annotation was computed. [2020-07-20 11:20:47,551 INFO L268 CegarLoopResult]: For program point KbFilter_InternIoCtlFINAL(lines 820 1005) no Hoare annotation was computed. [2020-07-20 11:20:47,552 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 574 615) no Hoare annotation was computed. [2020-07-20 11:20:47,552 INFO L268 CegarLoopResult]: For program point L601(lines 601 613) no Hoare annotation was computed. [2020-07-20 11:20:47,552 INFO L264 CegarLoopResult]: At program point L587(lines 579 598) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= 5 ~MPR1~0))) (.cse3 (not (<= ~NP~0 1))) (.cse4 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 .cse1 (= ~s~0 ~NP~0) .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4) (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4))) [2020-07-20 11:20:47,552 INFO L268 CegarLoopResult]: For program point L579(lines 579 598) no Hoare annotation was computed. [2020-07-20 11:20:47,552 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 574 615) no Hoare annotation was computed. [2020-07-20 11:20:47,552 INFO L264 CegarLoopResult]: At program point L604(lines 603 613) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (= ~s~0 ~NP~0)) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (not (<= ~NP~0 1))) (.cse5 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5))) [2020-07-20 11:20:47,552 INFO L264 CegarLoopResult]: At program point L602(lines 601 613) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (= ~s~0 ~NP~0)) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (not (<= ~NP~0 1))) (.cse5 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5))) [2020-07-20 11:20:47,553 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~s~0)| ~MPR3~0)) .cse4) (or .cse0 .cse1 .cse2 (not (= |old(~s~0)| ~NP~0)) .cse3 .cse4))) [2020-07-20 11:20:47,553 INFO L268 CegarLoopResult]: For program point L592(lines 592 596) no Hoare annotation was computed. [2020-07-20 11:20:47,553 INFO L268 CegarLoopResult]: For program point L592-1(lines 579 598) no Hoare annotation was computed. [2020-07-20 11:20:47,553 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 574 615) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (not (<= ~pended~0 0))) (.cse2 (= ~setEventCalled~0 1)) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (not (<= ~NP~0 1))) (.cse5 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 .cse1 (and (= ~s~0 ~NP~0) .cse2) .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5) (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) .cse1 (and (= ~MPR3~0 ~s~0) .cse2) .cse3 .cse4 .cse5))) [2020-07-20 11:20:47,553 INFO L268 CegarLoopResult]: For program point L580(lines 580 585) no Hoare annotation was computed. [2020-07-20 11:20:47,553 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (= |old(~s~0)| ~NP~0)))) (and (or .cse0 .cse1 (not (<= 1 ~compRegistered~0))) (or .cse0 .cse1 (not (= 0 ~compRegistered~0))))) [2020-07-20 11:20:47,553 INFO L268 CegarLoopResult]: For program point L560-1(lines 552 565) no Hoare annotation was computed. [2020-07-20 11:20:47,553 INFO L268 CegarLoopResult]: For program point L556(lines 556 562) no Hoare annotation was computed. [2020-07-20 11:20:47,554 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 552 565) the Hoare annotation is: (let ((.cse1 (not (<= ~pended~0 0))) (.cse0 (= ~s~0 ~NP~0)) (.cse2 (not (= ~NP~0 |old(~s~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~compRegistered~0))) (or .cse1 .cse0 (not (= 0 ~compRegistered~0)) .cse2))) [2020-07-20 11:20:47,554 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 552 565) no Hoare annotation was computed. [2020-07-20 11:20:47,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:20:47,554 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (<= ~pended~0 0) (= ~SKIP1~0 ~s~0)) [2020-07-20 11:20:47,554 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 11:20:47,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:20:47,554 INFO L264 CegarLoopResult]: At program point KbFilter_DispatchPassThroughENTRY(lines 663 686) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-20 11:20:47,554 INFO L268 CegarLoopResult]: For program point L672(lines 672 678) no Hoare annotation was computed. [2020-07-20 11:20:47,555 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (= ~SKIP1~0 ~s~0)) [2020-07-20 11:20:47,555 INFO L268 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-07-20 11:20:47,555 INFO L268 CegarLoopResult]: For program point KbFilter_DispatchPassThroughFINAL(lines 663 686) no Hoare annotation was computed. [2020-07-20 11:20:47,555 INFO L264 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~s~0)| ~NP~0)) (not (= 0 ~compRegistered~0))) [2020-07-20 11:20:47,555 INFO L268 CegarLoopResult]: For program point KbFilter_DispatchPassThroughEXIT(lines 663 686) no Hoare annotation was computed. [2020-07-20 11:20:47,555 INFO L268 CegarLoopResult]: For program point L676-1(lines 672 678) no Hoare annotation was computed. [2020-07-20 11:20:47,555 INFO L264 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= ~pended~0 0)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,555 INFO L264 CegarLoopResult]: At program point L192(lines 192 193) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|)) (and (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0) (<= 0 KbFilter_PnP_~status~0))) [2020-07-20 11:20:47,556 INFO L268 CegarLoopResult]: For program point L225-1(lines 221 227) no Hoare annotation was computed. [2020-07-20 11:20:47,556 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 193) no Hoare annotation was computed. [2020-07-20 11:20:47,556 INFO L268 CegarLoopResult]: For program point L151(lines 151 274) no Hoare annotation was computed. [2020-07-20 11:20:47,556 INFO L268 CegarLoopResult]: For program point L118(lines 118 285) no Hoare annotation was computed. [2020-07-20 11:20:47,556 INFO L264 CegarLoopResult]: At program point L110(lines 109 288) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,556 INFO L271 CegarLoopResult]: At program point L267(lines 170 268) the Hoare annotation is: true [2020-07-20 11:20:47,556 INFO L268 CegarLoopResult]: For program point L160(lines 160 271) no Hoare annotation was computed. [2020-07-20 11:20:47,557 INFO L268 CegarLoopResult]: For program point L127(lines 127 282) no Hoare annotation was computed. [2020-07-20 11:20:47,557 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= ~pended~0 0)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,557 INFO L264 CegarLoopResult]: At program point L169(lines 115 286) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,557 INFO L268 CegarLoopResult]: For program point L136(lines 136 279) no Hoare annotation was computed. [2020-07-20 11:20:47,557 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 79 292) no Hoare annotation was computed. [2020-07-20 11:20:47,557 INFO L268 CegarLoopResult]: For program point L145(lines 145 276) no Hoare annotation was computed. [2020-07-20 11:20:47,557 INFO L268 CegarLoopResult]: For program point L112(lines 112 287) no Hoare annotation was computed. [2020-07-20 11:20:47,557 INFO L268 CegarLoopResult]: For program point L154(lines 154 273) no Hoare annotation was computed. [2020-07-20 11:20:47,557 INFO L268 CegarLoopResult]: For program point L121(lines 121 284) no Hoare annotation was computed. [2020-07-20 11:20:47,558 INFO L264 CegarLoopResult]: At program point L113(lines 112 287) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,558 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 79 292) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~s~0 |old(~s~0)|) (= 0 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,558 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-07-20 11:20:47,558 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 79 292) no Hoare annotation was computed. [2020-07-20 11:20:47,558 INFO L264 CegarLoopResult]: At program point L262(lines 262 263) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,558 INFO L268 CegarLoopResult]: For program point L262-1(lines 262 263) no Hoare annotation was computed. [2020-07-20 11:20:47,558 INFO L268 CegarLoopResult]: For program point L163(lines 163 270) no Hoare annotation was computed. [2020-07-20 11:20:47,558 INFO L268 CegarLoopResult]: For program point L130(lines 130 281) no Hoare annotation was computed. [2020-07-20 11:20:47,559 INFO L268 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2020-07-20 11:20:47,559 INFO L268 CegarLoopResult]: For program point L180(lines 180 186) no Hoare annotation was computed. [2020-07-20 11:20:47,559 INFO L268 CegarLoopResult]: For program point L180-1(lines 175 187) no Hoare annotation was computed. [2020-07-20 11:20:47,559 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-07-20 11:20:47,559 INFO L268 CegarLoopResult]: For program point L139(lines 139 278) no Hoare annotation was computed. [2020-07-20 11:20:47,559 INFO L268 CegarLoopResult]: For program point L106(lines 106 289) no Hoare annotation was computed. [2020-07-20 11:20:47,559 INFO L268 CegarLoopResult]: For program point L197(lines 197 203) no Hoare annotation was computed. [2020-07-20 11:20:47,559 INFO L268 CegarLoopResult]: For program point L197-2(lines 170 266) no Hoare annotation was computed. [2020-07-20 11:20:47,560 INFO L264 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,560 INFO L268 CegarLoopResult]: For program point L247-1(line 247) no Hoare annotation was computed. [2020-07-20 11:20:47,560 INFO L268 CegarLoopResult]: For program point L148(lines 148 275) no Hoare annotation was computed. [2020-07-20 11:20:47,560 INFO L268 CegarLoopResult]: For program point L115(lines 115 286) no Hoare annotation was computed. [2020-07-20 11:20:47,560 INFO L268 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-07-20 11:20:47,560 INFO L264 CegarLoopResult]: At program point L107(lines 106 289) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|)) (and (= ~s~0 |old(~s~0)|) (= 0 ~compRegistered~0) (<= 0 KbFilter_PnP_~status~0))) [2020-07-20 11:20:47,560 INFO L264 CegarLoopResult]: At program point L231(lines 231 232) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,560 INFO L268 CegarLoopResult]: For program point L231-1(lines 231 232) no Hoare annotation was computed. [2020-07-20 11:20:47,561 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= ~pended~0 0)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,561 INFO L268 CegarLoopResult]: For program point L256-1(lines 252 258) no Hoare annotation was computed. [2020-07-20 11:20:47,561 INFO L268 CegarLoopResult]: For program point L157(lines 157 272) no Hoare annotation was computed. [2020-07-20 11:20:47,561 INFO L268 CegarLoopResult]: For program point L124(lines 124 283) no Hoare annotation was computed. [2020-07-20 11:20:47,561 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= ~pended~0 0)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,561 INFO L264 CegarLoopResult]: At program point L199(lines 199 201) the Hoare annotation is: (let ((.cse0 (= ~setEventCalled~0 1)) (.cse1 (<= 1 ~compRegistered~0))) (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (and (= ~s~0 ~NP~0) .cse0 .cse1) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (and (= 259 KbFilter_PnP_~__cil_tmp23~0) (= ~MPR3~0 ~s~0) .cse0 .cse1 (<= 0 KbFilter_PnP_~status~0)) (not (= 0 |old(~compRegistered~0)|)))) [2020-07-20 11:20:47,561 INFO L268 CegarLoopResult]: For program point L166(lines 166 269) no Hoare annotation was computed. [2020-07-20 11:20:47,561 INFO L268 CegarLoopResult]: For program point L199-1(lines 199 201) no Hoare annotation was computed. [2020-07-20 11:20:47,562 INFO L268 CegarLoopResult]: For program point L133(lines 133 280) no Hoare annotation was computed. [2020-07-20 11:20:47,562 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|)) (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0))) [2020-07-20 11:20:47,562 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= ~pended~0 0)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 11:20:47,562 INFO L268 CegarLoopResult]: For program point L241-1(lines 237 243) no Hoare annotation was computed. [2020-07-20 11:20:47,562 INFO L268 CegarLoopResult]: For program point L175(lines 175 187) no Hoare annotation was computed. [2020-07-20 11:20:47,562 INFO L268 CegarLoopResult]: For program point L142(lines 142 277) no Hoare annotation was computed. [2020-07-20 11:20:47,562 INFO L268 CegarLoopResult]: For program point L109(lines 109 288) no Hoare annotation was computed. [2020-07-20 11:20:47,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:20:47 BoogieIcfgContainer [2020-07-20 11:20:47,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 11:20:47,602 INFO L168 Benchmark]: Toolchain (without parser) took 12388.55 ms. Allocated memory was 137.9 MB in the beginning and 354.9 MB in the end (delta: 217.1 MB). Free memory was 102.2 MB in the beginning and 243.1 MB in the end (delta: -140.9 MB). Peak memory consumption was 200.5 MB. Max. memory is 7.1 GB. [2020-07-20 11:20:47,603 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 11:20:47,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.94 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 176.4 MB in the end (delta: -74.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-20 11:20:47,604 INFO L168 Benchmark]: Boogie Preprocessor took 75.22 ms. Allocated memory is still 203.4 MB. Free memory was 176.4 MB in the beginning and 173.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-20 11:20:47,605 INFO L168 Benchmark]: RCFGBuilder took 1050.65 ms. Allocated memory is still 203.4 MB. Free memory was 173.5 MB in the beginning and 102.5 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. [2020-07-20 11:20:47,606 INFO L168 Benchmark]: TraceAbstraction took 10552.80 ms. Allocated memory was 203.4 MB in the beginning and 354.9 MB in the end (delta: 151.5 MB). Free memory was 101.8 MB in the beginning and 243.1 MB in the end (delta: -141.4 MB). Peak memory consumption was 134.5 MB. Max. memory is 7.1 GB. [2020-07-20 11:20:47,609 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.94 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 176.4 MB in the end (delta: -74.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.22 ms. Allocated memory is still 203.4 MB. Free memory was 176.4 MB in the beginning and 173.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1050.65 ms. Allocated memory is still 203.4 MB. Free memory was 173.5 MB in the beginning and 102.5 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10552.80 ms. Allocated memory was 203.4 MB in the beginning and 354.9 MB in the end (delta: 151.5 MB). Free memory was 101.8 MB in the beginning and 243.1 MB in the end (delta: -141.4 MB). Peak memory consumption was 134.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1011]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || pended <= 0) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || 0 <= status) || !(\old(SKIP1) == \old(s))) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || s == NP) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || !(SKIP1 == \old(s))) || !(0 == compRegistered)) || SKIP1 == s - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || s == NP) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(5 <= MPR1)) || !(NP == \old(s))) || (MPR1 == s && 0 == __cil_tmp7 + 1073741802)) || !(NP <= 1)) || !(1 <= compRegistered)) && (((!(pended <= 0) || !(SKIP1 == \old(s))) || !(0 == compRegistered)) || SKIP1 == s) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || (((s == NP && 0 <= status) && 0 == compRegistered) && pended <= 0)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || !(SKIP1 == \old(s))) || !(0 == compRegistered)) || SKIP1 == s - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || s == NP) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((!(pended <= 0) || !(5 <= MPR1)) || (s == NP && 0 == compRegistered)) || !(NP == \old(s))) || !(NP <= 1)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || s == NP) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((!(pended <= 0) || !(5 <= MPR1)) || (s == NP && 0 == compRegistered)) || !(NP == \old(s))) || !(NP <= 1)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: (((((((((MPR1 == s && 0 == __cil_tmp7 + 1073741802) && setEventCalled == 1) && 259 == returnVal2) || ((MPR1 == s && returnVal2 <= 0) && 0 == __cil_tmp7 + 1073741802)) || !(pended <= 0)) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) && (((!(pended <= 0) || !(SKIP1 == \old(s))) || !(0 == compRegistered)) || SKIP1 == s) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || s == NP) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: ((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || s == NP) || !(pended <= 0)) || !(5 <= MPR1)) || !(NP <= 1)) || !(1 <= compRegistered)) && ((((((!(1 == \old(setEventCalled)) || s == NP) || !(pended <= 0)) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: ((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || s == NP) || !(pended <= 0)) || !(5 <= MPR1)) || !(NP <= 1)) || !(1 <= compRegistered)) && ((((((!(1 == \old(setEventCalled)) || s == NP) || !(pended <= 0)) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((((((((((NP <= 1 && s == NP) && 0 <= status) && 5 <= MPR1) && 0 == compRegistered) && pended <= 0) || !(\old(pended) <= 0)) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((!(pended <= 0) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(0 == \old(compRegistered))) || ((s == \old(s) && 0 == compRegistered) && 0 <= status) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || pended <= 0) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || s == NP) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || s == NP) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || pended <= 0) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || !(SKIP1 == \old(s))) || !(0 == compRegistered)) || SKIP1 == s - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: ((((((!(1 == \old(setEventCalled)) || !(pended <= 0)) || s == NP) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) && (((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(pended <= 0)) || !(5 <= MPR1)) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || (((s == NP && 0 <= status) && 0 == compRegistered) && pended <= 0)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || ((MPR1 == s && 0 == __cil_tmp7 + 1073741802) && setEventCalled == 1)) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) && (((!(pended <= 0) || !(SKIP1 == \old(s))) || !(0 == compRegistered)) || SKIP1 == s) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || s == NP) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || pended <= 0) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || !(SKIP1 == \old(s))) || !(0 == compRegistered)) || SKIP1 == s - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(5 <= MPR1)) || !(NP == \old(s))) || (MPR1 == s && 0 == __cil_tmp7 + 1073741802)) || !(NP <= 1)) || !(1 <= compRegistered)) && (((!(pended <= 0) || !(SKIP1 == \old(s))) || !(0 == compRegistered)) || SKIP1 == s) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || (((s == NP && 0 <= status) && 0 == compRegistered) && pended <= 0)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((((!(pended <= 0) || !(5 <= MPR1)) || (s == NP && 0 == compRegistered)) || !(NP == \old(s))) || !(NP <= 1)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || (((s == NP && 0 <= status) && 0 == compRegistered) && pended <= 0)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.8s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2781 SDtfs, 1055 SDslu, 2576 SDs, 0 SdLazy, 376 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 816 GetRequests, 779 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=335occurred 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: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 75 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 84 LocationsWithAnnotation, 322 PreInvPairs, 394 NumberOfFragments, 2227 HoareAnnotationTreeSize, 322 FomulaSimplifications, 95 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 84 FomulaSimplificationsInter, 634 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 826 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 810 ConstructedInterpolants, 0 QuantifiedInterpolants, 79940 SizeOfPredicates, 15 NumberOfNonLiveVariables, 9682 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...