/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -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 [2020-07-21 01:03:54,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 01:03:54,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 01:03:54,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 01:03:54,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 01:03:54,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 01:03:54,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 01:03:54,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 01:03:54,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 01:03:54,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 01:03:54,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 01:03:54,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 01:03:54,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:03:54,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:03:54,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:03:54,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:03:54,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:03:54,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:03:54,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:03:54,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:03:54,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:03:54,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:03:54,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:03:54,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:03:54,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 01:03:54,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 01:03:54,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 01:03:54,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 01:03:54,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 01:03:54,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 01:03:54,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 01:03:54,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 01:03:54,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 01:03:54,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 01:03:54,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 01:03:54,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 01:03:54,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 01:03:54,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 01:03:54,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 01:03:54,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 01:03:54,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 01:03:54,659 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 [2020-07-21 01:03:54,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:03:54,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:03:54,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:03:54,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:03:54,721 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:03:54,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:03:54,722 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:03:54,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:03:54,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:03:54,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:03:54,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:03:54,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:03:54,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:03:54,726 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:03:54,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:03:54,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:03:54,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:03:54,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:03:54,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:03:54,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:03:54,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:03:54,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:03:54,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:03:54,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:03:54,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:03:54,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:03:54,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:54,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:03:54,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:03:54,737 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 01:03:55,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:03:55,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:03:55,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:03:55,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:03:55,198 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:03:55,199 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-07-21 01:03:55,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3250777e/a85849c7a15246678442a024b65a17c4/FLAG3de149459 [2020-07-21 01:03:56,247 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:03:56,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-07-21 01:03:56,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3250777e/a85849c7a15246678442a024b65a17c4/FLAG3de149459 [2020-07-21 01:03:56,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3250777e/a85849c7a15246678442a024b65a17c4 [2020-07-21 01:03:56,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:03:56,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:03:56,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:03:56,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:03:56,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:03:56,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:03:56" (1/1) ... [2020-07-21 01:03:56,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a1bc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:56, skipping insertion in model container [2020-07-21 01:03:56,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:03:56" (1/1) ... [2020-07-21 01:03:56,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:03:56,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:03:57,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:03:57,114 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:03:57,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:03:57,422 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:03:57,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:57 WrapperNode [2020-07-21 01:03:57,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:03:57,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:03:57,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:03:57,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:03:57,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:57" (1/1) ... [2020-07-21 01:03:57,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:57" (1/1) ... [2020-07-21 01:03:57,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:57" (1/1) ... [2020-07-21 01:03:57,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:57" (1/1) ... [2020-07-21 01:03:57,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:57" (1/1) ... [2020-07-21 01:03:57,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:57" (1/1) ... [2020-07-21 01:03:57,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:57" (1/1) ... [2020-07-21 01:03:57,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:03:57,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:03:57,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:03:57,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:03:57,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:57" (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 [2020-07-21 01:03:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:03:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:03:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-07-21 01:03:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-07-21 01:03:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-07-21 01:03:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:03:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-07-21 01:03:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-07-21 01:03:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-07-21 01:03:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-07-21 01:03:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-07-21 01:03:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-07-21 01:03:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-07-21 01:03:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-07-21 01:03:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-07-21 01:03:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-07-21 01:03:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-07-21 01:03:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-07-21 01:03:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:03:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-21 01:03:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 01:03:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-21 01:03:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-07-21 01:03:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-07-21 01:03:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-07-21 01:03:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-07-21 01:03:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-07-21 01:03:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-07-21 01:03:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-07-21 01:03:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-07-21 01:03:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-07-21 01:03:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-07-21 01:03:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-07-21 01:03:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-07-21 01:03:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-07-21 01:03:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-07-21 01:03:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:03:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-07-21 01:03:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:03:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:03:58,102 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 01:03:58,210 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-07-21 01:03:58,211 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-07-21 01:03:58,253 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 01:03:58,470 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-07-21 01:03:58,470 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-07-21 01:03:58,473 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 01:03:58,557 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-07-21 01:03:58,558 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-07-21 01:03:58,569 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 01:03:58,659 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-07-21 01:03:58,660 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-07-21 01:03:58,813 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 01:03:58,846 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-07-21 01:03:58,847 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-07-21 01:03:58,888 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 01:03:59,073 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-07-21 01:03:59,074 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-07-21 01:03:59,103 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:03:59,104 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 01:03:59,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:03:59 BoogieIcfgContainer [2020-07-21 01:03:59,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:03:59,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:03:59,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:03:59,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:03:59,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:03:56" (1/3) ... [2020-07-21 01:03:59,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad3304d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:03:59, skipping insertion in model container [2020-07-21 01:03:59,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:57" (2/3) ... [2020-07-21 01:03:59,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad3304d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:03:59, skipping insertion in model container [2020-07-21 01:03:59,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:03:59" (3/3) ... [2020-07-21 01:03:59,132 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2020-07-21 01:03:59,152 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:03:59,170 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:03:59,195 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:03:59,238 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:03:59,238 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:03:59,238 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:03:59,239 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:03:59,239 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:03:59,239 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:03:59,240 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:03:59,240 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:03:59,289 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states. [2020-07-21 01:03:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-21 01:03:59,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:59,309 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] [2020-07-21 01:03:59,310 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:59,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:59,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1712773315, now seen corresponding path program 1 times [2020-07-21 01:03:59,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:59,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35569879] [2020-07-21 01:03:59,342 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:03:59,707 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:03:59,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:59,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 01:03:59,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:59,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:59,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:59,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35569879] [2020-07-21 01:03:59,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:59,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:59,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831545140] [2020-07-21 01:03:59,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:59,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:59,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:59,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:59,883 INFO L87 Difference]: Start difference. First operand 239 states. Second operand 3 states. [2020-07-21 01:04:00,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:00,140 INFO L93 Difference]: Finished difference Result 388 states and 582 transitions. [2020-07-21 01:04:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:04:00,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-21 01:04:00,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:00,216 INFO L225 Difference]: With dead ends: 388 [2020-07-21 01:04:00,217 INFO L226 Difference]: Without dead ends: 228 [2020-07-21 01:04:00,238 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 [2020-07-21 01:04:00,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-07-21 01:04:00,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2020-07-21 01:04:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-21 01:04:00,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 322 transitions. [2020-07-21 01:04:00,371 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 322 transitions. Word has length 20 [2020-07-21 01:04:00,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:00,373 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 322 transitions. [2020-07-21 01:04:00,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:04:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 322 transitions. [2020-07-21 01:04:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-21 01:04:00,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:00,376 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] [2020-07-21 01:04:00,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:00,591 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:00,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:00,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1840561730, now seen corresponding path program 1 times [2020-07-21 01:04:00,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:00,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425173478] [2020-07-21 01:04:00,595 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:00,816 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:00,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:00,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 01:04:00,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:00,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:00,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425173478] [2020-07-21 01:04:00,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:00,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:04:00,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629340810] [2020-07-21 01:04:00,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:04:00,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:00,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:04:00,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:00,853 INFO L87 Difference]: Start difference. First operand 228 states and 322 transitions. Second operand 3 states. [2020-07-21 01:04:01,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:01,175 INFO L93 Difference]: Finished difference Result 366 states and 502 transitions. [2020-07-21 01:04:01,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:04:01,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-07-21 01:04:01,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:01,182 INFO L225 Difference]: With dead ends: 366 [2020-07-21 01:04:01,183 INFO L226 Difference]: Without dead ends: 308 [2020-07-21 01:04:01,185 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 [2020-07-21 01:04:01,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-07-21 01:04:01,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 295. [2020-07-21 01:04:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-07-21 01:04:01,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 404 transitions. [2020-07-21 01:04:01,275 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 404 transitions. Word has length 28 [2020-07-21 01:04:01,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:01,276 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 404 transitions. [2020-07-21 01:04:01,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:04:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 404 transitions. [2020-07-21 01:04:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-21 01:04:01,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:01,282 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] [2020-07-21 01:04:01,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:01,495 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:01,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:01,496 INFO L82 PathProgramCache]: Analyzing trace with hash -919522484, now seen corresponding path program 1 times [2020-07-21 01:04:01,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:01,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [860423531] [2020-07-21 01:04:01,498 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:01,716 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:01,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:01,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:04:01,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:01,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:01,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:01,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [860423531] [2020-07-21 01:04:01,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:01,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:04:01,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004879103] [2020-07-21 01:04:01,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:04:01,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:01,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:04:01,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:01,749 INFO L87 Difference]: Start difference. First operand 295 states and 404 transitions. Second operand 3 states. [2020-07-21 01:04:01,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:01,880 INFO L93 Difference]: Finished difference Result 472 states and 628 transitions. [2020-07-21 01:04:01,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:04:01,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-07-21 01:04:01,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:01,895 INFO L225 Difference]: With dead ends: 472 [2020-07-21 01:04:01,895 INFO L226 Difference]: Without dead ends: 356 [2020-07-21 01:04:01,898 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 [2020-07-21 01:04:01,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-07-21 01:04:01,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 335. [2020-07-21 01:04:01,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-21 01:04:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 455 transitions. [2020-07-21 01:04:01,970 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 455 transitions. Word has length 28 [2020-07-21 01:04:01,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:01,970 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 455 transitions. [2020-07-21 01:04:01,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:04:01,971 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 455 transitions. [2020-07-21 01:04:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-21 01:04:01,975 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:01,975 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] [2020-07-21 01:04:02,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:02,191 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:02,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:02,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1823384951, now seen corresponding path program 1 times [2020-07-21 01:04:02,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:02,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788262909] [2020-07-21 01:04:02,194 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:02,395 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:02,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:02,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:04:02,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:02,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:02,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788262909] [2020-07-21 01:04:02,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:02,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:04:02,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355655831] [2020-07-21 01:04:02,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:04:02,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:02,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:04:02,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:02,459 INFO L87 Difference]: Start difference. First operand 335 states and 455 transitions. Second operand 3 states. [2020-07-21 01:04:02,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:02,591 INFO L93 Difference]: Finished difference Result 338 states and 457 transitions. [2020-07-21 01:04:02,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:04:02,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-07-21 01:04:02,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:02,597 INFO L225 Difference]: With dead ends: 338 [2020-07-21 01:04:02,597 INFO L226 Difference]: Without dead ends: 334 [2020-07-21 01:04:02,598 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 [2020-07-21 01:04:02,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-21 01:04:02,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2020-07-21 01:04:02,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-07-21 01:04:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 452 transitions. [2020-07-21 01:04:02,627 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 452 transitions. Word has length 38 [2020-07-21 01:04:02,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:02,627 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 452 transitions. [2020-07-21 01:04:02,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:04:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 452 transitions. [2020-07-21 01:04:02,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 01:04:02,632 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:02,633 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] [2020-07-21 01:04:02,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:02,849 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:02,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:02,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1946925920, now seen corresponding path program 1 times [2020-07-21 01:04:02,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:02,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107530489] [2020-07-21 01:04:02,851 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:03,011 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:04:03,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:03,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 01:04:03,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:03,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:03,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107530489] [2020-07-21 01:04:03,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:03,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:04:03,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014346796] [2020-07-21 01:04:03,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:04:03,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:03,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:04:03,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:03,047 INFO L87 Difference]: Start difference. First operand 334 states and 452 transitions. Second operand 3 states. [2020-07-21 01:04:03,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:03,084 INFO L93 Difference]: Finished difference Result 379 states and 501 transitions. [2020-07-21 01:04:03,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:04:03,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-21 01:04:03,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:03,088 INFO L225 Difference]: With dead ends: 379 [2020-07-21 01:04:03,089 INFO L226 Difference]: Without dead ends: 313 [2020-07-21 01:04:03,090 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 [2020-07-21 01:04:03,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-07-21 01:04:03,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 295. [2020-07-21 01:04:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-07-21 01:04:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 395 transitions. [2020-07-21 01:04:03,110 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 395 transitions. Word has length 46 [2020-07-21 01:04:03,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:03,111 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 395 transitions. [2020-07-21 01:04:03,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:04:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 395 transitions. [2020-07-21 01:04:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-21 01:04:03,115 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:03,115 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] [2020-07-21 01:04:03,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:03,329 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:03,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:03,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1615603168, now seen corresponding path program 1 times [2020-07-21 01:04:03,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:03,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792803077] [2020-07-21 01:04:03,331 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:03,511 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:03,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:03,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 01:04:03,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:03,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:03,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:03,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792803077] [2020-07-21 01:04:03,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:03,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:04:03,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986844735] [2020-07-21 01:04:03,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:04:03,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:03,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:04:03,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:03,538 INFO L87 Difference]: Start difference. First operand 295 states and 395 transitions. Second operand 3 states. [2020-07-21 01:04:03,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:03,576 INFO L93 Difference]: Finished difference Result 304 states and 406 transitions. [2020-07-21 01:04:03,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:04:03,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-21 01:04:03,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:03,578 INFO L225 Difference]: With dead ends: 304 [2020-07-21 01:04:03,579 INFO L226 Difference]: Without dead ends: 102 [2020-07-21 01:04:03,580 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 [2020-07-21 01:04:03,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-21 01:04:03,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-07-21 01:04:03,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-21 01:04:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-07-21 01:04:03,588 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 45 [2020-07-21 01:04:03,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:03,589 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-07-21 01:04:03,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:04:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-07-21 01:04:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-21 01:04:03,590 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:03,591 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] [2020-07-21 01:04:03,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:03,808 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:03,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:03,808 INFO L82 PathProgramCache]: Analyzing trace with hash -582629432, now seen corresponding path program 1 times [2020-07-21 01:04:03,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:03,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1522546312] [2020-07-21 01:04:03,810 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:03,977 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:03,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:03,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 01:04:03,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:04,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:04,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1522546312] [2020-07-21 01:04:04,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:04,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:04:04,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490159404] [2020-07-21 01:04:04,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:04:04,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:04,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:04:04,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:04,021 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 3 states. [2020-07-21 01:04:04,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:04,075 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions. [2020-07-21 01:04:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:04:04,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-21 01:04:04,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:04,081 INFO L225 Difference]: With dead ends: 130 [2020-07-21 01:04:04,081 INFO L226 Difference]: Without dead ends: 100 [2020-07-21 01:04:04,082 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 [2020-07-21 01:04:04,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-07-21 01:04:04,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-07-21 01:04:04,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-07-21 01:04:04,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-07-21 01:04:04,093 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 53 [2020-07-21 01:04:04,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:04,093 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-07-21 01:04:04,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:04:04,094 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-07-21 01:04:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 01:04:04,095 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:04,095 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] [2020-07-21 01:04:04,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:04,311 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:04,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:04,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1306380805, now seen corresponding path program 1 times [2020-07-21 01:04:04,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:04,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717900069] [2020-07-21 01:04:04,313 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:04,460 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:04:04,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:04,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 01:04:04,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:04,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:04,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717900069] [2020-07-21 01:04:04,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:04,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 01:04:04,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567999039] [2020-07-21 01:04:04,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 01:04:04,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:04,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 01:04:04,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 01:04:04,509 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 5 states. [2020-07-21 01:04:04,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:04,529 INFO L93 Difference]: Finished difference Result 128 states and 147 transitions. [2020-07-21 01:04:04,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 01:04:04,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-07-21 01:04:04,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:04,559 INFO L225 Difference]: With dead ends: 128 [2020-07-21 01:04:04,559 INFO L226 Difference]: Without dead ends: 93 [2020-07-21 01:04:04,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 01:04:04,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-07-21 01:04:04,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-07-21 01:04:04,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-21 01:04:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2020-07-21 01:04:04,575 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 104 transitions. Word has length 57 [2020-07-21 01:04:04,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:04,575 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 104 transitions. [2020-07-21 01:04:04,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 01:04:04,576 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2020-07-21 01:04:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 01:04:04,578 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:04,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:04:04,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:04,794 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:04,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:04,795 INFO L82 PathProgramCache]: Analyzing trace with hash -485163778, now seen corresponding path program 1 times [2020-07-21 01:04:04,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:04,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168763973] [2020-07-21 01:04:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:04,963 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:04,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:04,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 01:04:04,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:04,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:04,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168763973] [2020-07-21 01:04:04,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:04,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:04:04,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469225383] [2020-07-21 01:04:04,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:04:04,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:04,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:04:04,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:04,999 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. Second operand 3 states. [2020-07-21 01:04:05,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:05,046 INFO L93 Difference]: Finished difference Result 109 states and 121 transitions. [2020-07-21 01:04:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:04:05,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-21 01:04:05,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:05,048 INFO L225 Difference]: With dead ends: 109 [2020-07-21 01:04:05,049 INFO L226 Difference]: Without dead ends: 104 [2020-07-21 01:04:05,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:05,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-21 01:04:05,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2020-07-21 01:04:05,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-21 01:04:05,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2020-07-21 01:04:05,060 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 61 [2020-07-21 01:04:05,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:05,061 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2020-07-21 01:04:05,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:04:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2020-07-21 01:04:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 01:04:05,062 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:05,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:04:05,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:05,277 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:05,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:05,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1964428271, now seen corresponding path program 1 times [2020-07-21 01:04:05,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:05,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895455658] [2020-07-21 01:04:05,279 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:05,444 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:05,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:05,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:04:05,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:05,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:05,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895455658] [2020-07-21 01:04:05,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:05,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 01:04:05,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676184006] [2020-07-21 01:04:05,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 01:04:05,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:05,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 01:04:05,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 01:04:05,513 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand 4 states. [2020-07-21 01:04:05,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:05,638 INFO L93 Difference]: Finished difference Result 125 states and 140 transitions. [2020-07-21 01:04:05,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 01:04:05,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-07-21 01:04:05,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:05,640 INFO L225 Difference]: With dead ends: 125 [2020-07-21 01:04:05,641 INFO L226 Difference]: Without dead ends: 95 [2020-07-21 01:04:05,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 01:04:05,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-21 01:04:05,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-07-21 01:04:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-21 01:04:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2020-07-21 01:04:05,653 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 61 [2020-07-21 01:04:05,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:05,653 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2020-07-21 01:04:05,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 01:04:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2020-07-21 01:04:05,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 01:04:05,655 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:05,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:04:05,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:05,870 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:05,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:05,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1406989260, now seen corresponding path program 1 times [2020-07-21 01:04:05,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:05,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753072019] [2020-07-21 01:04:05,872 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:06,063 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:06,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:06,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 01:04:06,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:06,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:06,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753072019] [2020-07-21 01:04:06,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:06,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:04:06,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071595074] [2020-07-21 01:04:06,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:04:06,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:06,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:04:06,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:06,117 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 3 states. [2020-07-21 01:04:06,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:06,170 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2020-07-21 01:04:06,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:04:06,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-21 01:04:06,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:06,178 INFO L225 Difference]: With dead ends: 131 [2020-07-21 01:04:06,179 INFO L226 Difference]: Without dead ends: 101 [2020-07-21 01:04:06,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:06,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-21 01:04:06,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-07-21 01:04:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-07-21 01:04:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 107 transitions. [2020-07-21 01:04:06,202 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 107 transitions. Word has length 63 [2020-07-21 01:04:06,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:06,205 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 107 transitions. [2020-07-21 01:04:06,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:04:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions. [2020-07-21 01:04:06,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 01:04:06,207 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:06,207 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] [2020-07-21 01:04:06,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:06,421 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:06,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:06,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1883613746, now seen corresponding path program 1 times [2020-07-21 01:04:06,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:06,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264516496] [2020-07-21 01:04:06,425 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:06,702 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:06,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:06,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 01:04:06,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:06,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:06,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264516496] [2020-07-21 01:04:06,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:06,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 01:04:06,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36394040] [2020-07-21 01:04:06,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:04:06,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:06,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:04:06,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:04:06,779 INFO L87 Difference]: Start difference. First operand 98 states and 107 transitions. Second operand 6 states. [2020-07-21 01:04:06,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:06,871 INFO L93 Difference]: Finished difference Result 111 states and 119 transitions. [2020-07-21 01:04:06,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:04:06,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-21 01:04:06,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:06,875 INFO L225 Difference]: With dead ends: 111 [2020-07-21 01:04:06,876 INFO L226 Difference]: Without dead ends: 104 [2020-07-21 01:04:06,877 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 [2020-07-21 01:04:06,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-21 01:04:06,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2020-07-21 01:04:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-07-21 01:04:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2020-07-21 01:04:06,889 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 64 [2020-07-21 01:04:06,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:06,891 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2020-07-21 01:04:06,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:04:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2020-07-21 01:04:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 01:04:06,896 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:06,896 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] [2020-07-21 01:04:07,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:07,112 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:07,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:07,112 INFO L82 PathProgramCache]: Analyzing trace with hash -543725590, now seen corresponding path program 1 times [2020-07-21 01:04:07,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:07,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198396917] [2020-07-21 01:04:07,113 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:07,336 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:07,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:07,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 01:04:07,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:07,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:07,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198396917] [2020-07-21 01:04:07,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:07,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 01:04:07,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010663024] [2020-07-21 01:04:07,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:04:07,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:07,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:04:07,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:04:07,396 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand 6 states. [2020-07-21 01:04:07,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:07,449 INFO L93 Difference]: Finished difference Result 112 states and 119 transitions. [2020-07-21 01:04:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:04:07,449 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-21 01:04:07,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:07,451 INFO L225 Difference]: With dead ends: 112 [2020-07-21 01:04:07,451 INFO L226 Difference]: Without dead ends: 93 [2020-07-21 01:04:07,452 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 [2020-07-21 01:04:07,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-07-21 01:04:07,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-07-21 01:04:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-21 01:04:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2020-07-21 01:04:07,462 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 64 [2020-07-21 01:04:07,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:07,463 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2020-07-21 01:04:07,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:04:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2020-07-21 01:04:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 01:04:07,464 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:07,465 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] [2020-07-21 01:04:07,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:07,682 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:07,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:07,682 INFO L82 PathProgramCache]: Analyzing trace with hash -603130258, now seen corresponding path program 1 times [2020-07-21 01:04:07,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:07,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184988540] [2020-07-21 01:04:07,684 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:07,877 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:07,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:07,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:04:07,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:07,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:07,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184988540] [2020-07-21 01:04:07,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:07,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:04:07,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971729504] [2020-07-21 01:04:07,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:04:07,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:07,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:04:07,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:04:07,905 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand 3 states. [2020-07-21 01:04:07,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:07,938 INFO L93 Difference]: Finished difference Result 109 states and 116 transitions. [2020-07-21 01:04:07,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:04:07,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 01:04:07,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:07,940 INFO L225 Difference]: With dead ends: 109 [2020-07-21 01:04:07,940 INFO L226 Difference]: Without dead ends: 78 [2020-07-21 01:04:07,943 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 [2020-07-21 01:04:07,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-21 01:04:07,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-07-21 01:04:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-21 01:04:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2020-07-21 01:04:07,954 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 65 [2020-07-21 01:04:07,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:07,955 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2020-07-21 01:04:07,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:04:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2020-07-21 01:04:07,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 01:04:07,956 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:07,956 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] [2020-07-21 01:04:08,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:08,172 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:08,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:08,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1151601388, now seen corresponding path program 1 times [2020-07-21 01:04:08,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:08,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009617472] [2020-07-21 01:04:08,175 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:08,366 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:08,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:08,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 01:04:08,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:08,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:08,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009617472] [2020-07-21 01:04:08,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:08,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 01:04:08,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821032253] [2020-07-21 01:04:08,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:04:08,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:08,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:04:08,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:04:08,434 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 6 states. [2020-07-21 01:04:08,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:08,473 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2020-07-21 01:04:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:04:08,475 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-21 01:04:08,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:08,476 INFO L225 Difference]: With dead ends: 87 [2020-07-21 01:04:08,476 INFO L226 Difference]: Without dead ends: 78 [2020-07-21 01:04:08,478 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 [2020-07-21 01:04:08,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-21 01:04:08,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-07-21 01:04:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-21 01:04:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2020-07-21 01:04:08,486 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 65 [2020-07-21 01:04:08,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:08,487 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2020-07-21 01:04:08,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:04:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2020-07-21 01:04:08,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-21 01:04:08,488 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:04:08,489 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] [2020-07-21 01:04:08,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:08,705 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:04:08,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:04:08,706 INFO L82 PathProgramCache]: Analyzing trace with hash -42695807, now seen corresponding path program 1 times [2020-07-21 01:04:08,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:04:08,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337653279] [2020-07-21 01:04:08,706 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 01:04:08,883 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:04:08,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:04:08,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:04:08,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:04:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:04:08,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:04:08,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337653279] [2020-07-21 01:04:08,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:04:08,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 01:04:08,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875840233] [2020-07-21 01:04:08,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 01:04:08,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:04:08,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 01:04:08,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 01:04:08,940 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 5 states. [2020-07-21 01:04:09,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:04:09,083 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2020-07-21 01:04:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 01:04:09,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-21 01:04:09,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:04:09,085 INFO L225 Difference]: With dead ends: 78 [2020-07-21 01:04:09,085 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 01:04:09,086 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 [2020-07-21 01:04:09,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 01:04:09,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 01:04:09,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 01:04:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 01:04:09,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-07-21 01:04:09,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:04:09,090 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 01:04:09,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 01:04:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 01:04:09,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 01:04:09,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:09,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 01:04:10,542 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-07-21 01:04:10,704 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-07-21 01:04:11,932 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-07-21 01:04:12,558 INFO L271 CegarLoopResult]: At program point KeSetEventENTRY(lines 566 573) the Hoare annotation is: true [2020-07-21 01:04:12,559 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 566 573) no Hoare annotation was computed. [2020-07-21 01:04:12,559 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 566 573) no Hoare annotation was computed. [2020-07-21 01:04:12,559 INFO L271 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 616 626) the Hoare annotation is: true [2020-07-21 01:04:12,559 INFO L271 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: true [2020-07-21 01:04:12,559 INFO L268 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-07-21 01:04:12,559 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 616 626) no Hoare annotation was computed. [2020-07-21 01:04:12,559 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 616 626) no Hoare annotation was computed. [2020-07-21 01:04:12,559 INFO L268 CegarLoopResult]: For program point L704(lines 704 725) no Hoare annotation was computed. [2020-07-21 01:04:12,559 INFO L268 CegarLoopResult]: For program point L698(lines 698 727) no Hoare annotation was computed. [2020-07-21 01:04:12,559 INFO L268 CegarLoopResult]: For program point KbFilter_PowerEXIT(lines 687 742) no Hoare annotation was computed. [2020-07-21 01:04:12,560 INFO L264 CegarLoopResult]: At program point KbFilter_PowerENTRY(lines 687 742) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,560 INFO L268 CegarLoopResult]: For program point L707(lines 707 724) no Hoare annotation was computed. [2020-07-21 01:04:12,560 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (= ~SKIP1~0 ~s~0)) [2020-07-21 01:04:12,560 INFO L268 CegarLoopResult]: For program point L738-1(line 738) no Hoare annotation was computed. [2020-07-21 01:04:12,560 INFO L268 CegarLoopResult]: For program point L701(lines 701 726) no Hoare annotation was computed. [2020-07-21 01:04:12,560 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (or (not (= |old(~s~0)| ~NP~0)) (= 1 ~pended~0) (not (= 0 ~compRegistered~0))) [2020-07-21 01:04:12,560 INFO L264 CegarLoopResult]: At program point L699(lines 698 727) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,560 INFO L268 CegarLoopResult]: For program point L732-1(lines 728 734) no Hoare annotation was computed. [2020-07-21 01:04:12,561 INFO L268 CegarLoopResult]: For program point KbFilter_PowerFINAL(lines 687 742) no Hoare annotation was computed. [2020-07-21 01:04:12,561 INFO L264 CegarLoopResult]: At program point L722(lines 697 741) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,561 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 41 54) no Hoare annotation was computed. [2020-07-21 01:04:12,561 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 41 54) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (not (= 1 ~pended~0)) (= ~s~0 |old(~s~0)|) (= 0 ~compRegistered~0)) (not (<= ~NP~0 1)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,561 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 41 54) no Hoare annotation was computed. [2020-07-21 01:04:12,561 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 55 76) no Hoare annotation was computed. [2020-07-21 01:04:12,562 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 55 76) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (not (= 1 ~pended~0)) (= ~s~0 |old(~s~0)|) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,562 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 55 76) no Hoare annotation was computed. [2020-07-21 01:04:12,562 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 1007 1014) the Hoare annotation is: true [2020-07-21 01:04:12,562 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 1007 1014) no Hoare annotation was computed. [2020-07-21 01:04:12,562 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 1007 1014) no Hoare annotation was computed. [2020-07-21 01:04:12,562 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2020-07-21 01:04:12,563 INFO L268 CegarLoopResult]: For program point L448(lines 448 450) no Hoare annotation was computed. [2020-07-21 01:04:12,563 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 293 464) no Hoare annotation was computed. [2020-07-21 01:04:12,563 INFO L264 CegarLoopResult]: At program point L374(lines 373 406) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (<= 0 main_~status~1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,563 INFO L268 CegarLoopResult]: For program point L432(lines 432 434) no Hoare annotation was computed. [2020-07-21 01:04:12,563 INFO L268 CegarLoopResult]: For program point L366(lines 366 407) no Hoare annotation was computed. [2020-07-21 01:04:12,563 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-21 01:04:12,563 INFO L268 CegarLoopResult]: For program point L441(lines 441 445) no Hoare annotation was computed. [2020-07-21 01:04:12,563 INFO L268 CegarLoopResult]: For program point L342(lines 328 411) no Hoare annotation was computed. [2020-07-21 01:04:12,563 INFO L264 CegarLoopResult]: At program point L367(lines 366 407) the Hoare annotation is: (or (and (= ~s~0 ~NP~0) (<= 0 main_~status~1) (not (= 1 ~pended~0)) (= 0 ~compRegistered~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,564 INFO L264 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: (or (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (<= 0 main_~status~1) (not (= 1 ~pended~0)) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,564 INFO L268 CegarLoopResult]: For program point L326-1(lines 322 463) no Hoare annotation was computed. [2020-07-21 01:04:12,564 INFO L268 CegarLoopResult]: For program point L351(lines 351 410) no Hoare annotation was computed. [2020-07-21 01:04:12,564 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 293 464) no Hoare annotation was computed. [2020-07-21 01:04:12,564 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-07-21 01:04:12,564 INFO L264 CegarLoopResult]: At program point L352(lines 351 410) the Hoare annotation is: (or (and (= ~s~0 ~NP~0) (<= 0 main_~status~1) (not (= 1 ~pended~0)) (= 0 ~compRegistered~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,564 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 293 464) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (not (= 1 ~pended~0)) (= ~s~0 |old(~s~0)|) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,564 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,565 INFO L264 CegarLoopResult]: At program point L427(lines 420 460) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= 1 ~pended~0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,565 INFO L268 CegarLoopResult]: For program point L361(lines 361 408) no Hoare annotation was computed. [2020-07-21 01:04:12,565 INFO L264 CegarLoopResult]: At program point L328(lines 322 463) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= 1 ~pended~0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,565 INFO L268 CegarLoopResult]: For program point L452(lines 452 454) no Hoare annotation was computed. [2020-07-21 01:04:12,565 INFO L264 CegarLoopResult]: At program point L419(lines 412 461) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= 1 ~pended~0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,565 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-07-21 01:04:12,566 INFO L268 CegarLoopResult]: For program point L337(lines 337 340) no Hoare annotation was computed. [2020-07-21 01:04:12,566 INFO L264 CegarLoopResult]: At program point L337-2(lines 337 340) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= ~NP~0 1) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (not (= 1 ~pended~0)) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0))) [2020-07-21 01:04:12,566 INFO L268 CegarLoopResult]: For program point L428(lines 412 461) no Hoare annotation was computed. [2020-07-21 01:04:12,566 INFO L264 CegarLoopResult]: At program point L362(lines 361 408) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= ~NP~0 1) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (not (= 1 ~pended~0)) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0))) [2020-07-21 01:04:12,566 INFO L268 CegarLoopResult]: For program point L371(lines 371 406) no Hoare annotation was computed. [2020-07-21 01:04:12,566 INFO L268 CegarLoopResult]: For program point L429(lines 429 458) no Hoare annotation was computed. [2020-07-21 01:04:12,567 INFO L268 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-07-21 01:04:12,567 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-07-21 01:04:12,567 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-07-21 01:04:12,567 INFO L264 CegarLoopResult]: At program point L372(lines 371 406) the Hoare annotation is: (or (and (= ~s~0 ~NP~0) (<= 0 main_~status~1) (not (= 1 ~pended~0)) (= 0 ~compRegistered~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,567 INFO L268 CegarLoopResult]: For program point L430(lines 430 457) no Hoare annotation was computed. [2020-07-21 01:04:12,567 INFO L268 CegarLoopResult]: For program point L356(lines 356 409) no Hoare annotation was computed. [2020-07-21 01:04:12,567 INFO L268 CegarLoopResult]: For program point L447(lines 447 455) no Hoare annotation was computed. [2020-07-21 01:04:12,567 INFO L264 CegarLoopResult]: At program point L439(lines 430 457) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= 1 ~pended~0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,568 INFO L268 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-07-21 01:04:12,568 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-21 01:04:12,568 INFO L264 CegarLoopResult]: At program point L357(lines 356 409) the Hoare annotation is: (or (and (= ~s~0 ~NP~0) (<= 0 main_~status~1) (not (= 1 ~pended~0)) (= 0 ~compRegistered~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 01:04:12,568 INFO L264 CegarLoopResult]: At program point L510(lines 509 524) the Hoare annotation is: (let ((.cse0 (= 1 ~pended~0))) (and (or (and (= ~MPR1~0 ~s~0) (= 0 (+ IofCallDriver_~__cil_tmp7~0 1073741802)) (= ~setEventCalled~0 1)) (not (<= 5 ~MPR1~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) (or (not (= ~SKIP1~0 |old(~s~0)|)) .cse0 (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)))) [2020-07-21 01:04:12,569 INFO L268 CegarLoopResult]: For program point L539(lines 539 546) no Hoare annotation was computed. [2020-07-21 01:04:12,569 INFO L268 CegarLoopResult]: For program point L502(lines 502 525) no Hoare annotation was computed. [2020-07-21 01:04:12,569 INFO L268 CegarLoopResult]: For program point L531(lines 531 537) no Hoare annotation was computed. [2020-07-21 01:04:12,569 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (= 1 ~pended~0))) (and (or (not (<= ~NP~0 1)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) .cse0 (not (<= 1 ~compRegistered~0))) (or (not (= ~SKIP1~0 |old(~s~0)|)) .cse0 (not (= 0 ~compRegistered~0))))) [2020-07-21 01:04:12,569 INFO L268 CegarLoopResult]: For program point L544-1(lines 526 548) no Hoare annotation was computed. [2020-07-21 01:04:12,569 INFO L268 CegarLoopResult]: For program point L507(lines 507 524) no Hoare annotation was computed. [2020-07-21 01:04:12,570 INFO L264 CegarLoopResult]: At program point L503(lines 502 525) the Hoare annotation is: (let ((.cse0 (= 1 ~pended~0))) (and (or (not (= ~SKIP1~0 |old(~s~0)|)) .cse0 (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) (or (not (<= 5 ~MPR1~0)) .cse0 (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))))) [2020-07-21 01:04:12,570 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 479 551) the Hoare annotation is: (let ((.cse0 (= 1 ~pended~0))) (and (or (not (<= 5 ~MPR1~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) (or (not (= ~SKIP1~0 |old(~s~0)|)) .cse0 (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)))) [2020-07-21 01:04:12,570 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (= 1 ~pended~0))) (and (or (not (<= 5 ~MPR1~0)) .cse0 (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 (not (= ~SKIP1~0 |old(~s~0)|)) .cse0 (not (= 0 ~compRegistered~0))))) [2020-07-21 01:04:12,570 INFO L268 CegarLoopResult]: For program point L487(lines 487 499) no Hoare annotation was computed. [2020-07-21 01:04:12,570 INFO L268 CegarLoopResult]: For program point L487-1(lines 487 499) no Hoare annotation was computed. [2020-07-21 01:04:12,571 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 479 551) no Hoare annotation was computed. [2020-07-21 01:04:12,571 INFO L264 CegarLoopResult]: At program point L508(lines 507 524) the Hoare annotation is: (let ((.cse0 (= 1 ~pended~0))) (and (or (not (= ~SKIP1~0 |old(~s~0)|)) .cse0 (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) (or (not (<= 5 ~MPR1~0)) .cse0 (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))))) [2020-07-21 01:04:12,571 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 479 551) no Hoare annotation was computed. [2020-07-21 01:04:12,571 INFO L268 CegarLoopResult]: For program point L530(lines 530 547) no Hoare annotation was computed. [2020-07-21 01:04:12,572 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-07-21 01:04:12,572 INFO L264 CegarLoopResult]: At program point L522(lines 486 550) the Hoare annotation is: (let ((.cse2 (= 1 ~pended~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)) (not (<= 5 ~MPR1~0)) .cse2 (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (and (<= IofCallDriver_~returnVal2~0 0) .cse0 .cse1) (not (<= 1 ~compRegistered~0)))) (or (not (= ~SKIP1~0 |old(~s~0)|)) .cse2 (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)))) [2020-07-21 01:04:12,572 INFO L264 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (let ((.cse0 (= 1 ~pended~0))) (and (or (not (<= 5 ~MPR1~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) (or (not (= ~SKIP1~0 |old(~s~0)|)) .cse0 (not (= 0 ~compRegistered~0))))) [2020-07-21 01:04:12,572 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-07-21 01:04:12,572 INFO L264 CegarLoopResult]: At program point L473(line 473) the Hoare annotation is: (or (not (= 1 ~setEventCalled~0)) (not (<= ~NP~0 1)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (<= 1 ~compRegistered~0))) [2020-07-21 01:04:12,573 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 465 478) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) (not (<= ~NP~0 1)) (not (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-21 01:04:12,573 INFO L268 CegarLoopResult]: For program point L473-1(lines 465 478) no Hoare annotation was computed. [2020-07-21 01:04:12,573 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 465 478) no Hoare annotation was computed. [2020-07-21 01:04:12,573 INFO L268 CegarLoopResult]: For program point L795(lines 795 815) no Hoare annotation was computed. [2020-07-21 01:04:12,573 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-07-21 01:04:12,573 INFO L264 CegarLoopResult]: At program point L787(lines 751 818) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) [2020-07-21 01:04:12,573 INFO L268 CegarLoopResult]: For program point PoCallDriverEXIT(lines 743 819) no Hoare annotation was computed. [2020-07-21 01:04:12,574 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (= 1 ~pended~0) (not (= 0 ~compRegistered~0))) [2020-07-21 01:04:12,574 INFO L268 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-07-21 01:04:12,574 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (= 1 ~pended~0) (not (= 0 ~compRegistered~0))) [2020-07-21 01:04:12,574 INFO L268 CegarLoopResult]: For program point L812-1(lines 791 816) no Hoare annotation was computed. [2020-07-21 01:04:12,574 INFO L264 CegarLoopResult]: At program point L775(lines 774 789) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) [2020-07-21 01:04:12,574 INFO L268 CegarLoopResult]: For program point L767(lines 767 790) no Hoare annotation was computed. [2020-07-21 01:04:12,574 INFO L268 CegarLoopResult]: For program point PoCallDriverFINAL(lines 743 819) no Hoare annotation was computed. [2020-07-21 01:04:12,575 INFO L264 CegarLoopResult]: At program point PoCallDriverENTRY(lines 743 819) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) [2020-07-21 01:04:12,575 INFO L268 CegarLoopResult]: For program point L772(lines 772 789) no Hoare annotation was computed. [2020-07-21 01:04:12,575 INFO L264 CegarLoopResult]: At program point L768(lines 767 790) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) [2020-07-21 01:04:12,575 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (= 1 ~pended~0) (not (= 0 ~compRegistered~0))) [2020-07-21 01:04:12,575 INFO L268 CegarLoopResult]: For program point L752(lines 752 764) no Hoare annotation was computed. [2020-07-21 01:04:12,575 INFO L268 CegarLoopResult]: For program point L752-1(lines 752 764) no Hoare annotation was computed. [2020-07-21 01:04:12,576 INFO L264 CegarLoopResult]: At program point L773(lines 772 789) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (= ~SKIP1~0 ~s~0)) [2020-07-21 01:04:12,576 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-07-21 01:04:12,576 INFO L268 CegarLoopResult]: For program point L807(lines 807 814) no Hoare annotation was computed. [2020-07-21 01:04:12,576 INFO L268 CegarLoopResult]: For program point L636(lines 636 654) no Hoare annotation was computed. [2020-07-21 01:04:12,576 INFO L268 CegarLoopResult]: For program point KbFilter_CreateCloseEXIT(lines 627 662) no Hoare annotation was computed. [2020-07-21 01:04:12,576 INFO L264 CegarLoopResult]: At program point L651(lines 639 653) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,576 INFO L264 CegarLoopResult]: At program point L643(lines 636 654) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,577 INFO L268 CegarLoopResult]: For program point L639(lines 639 653) no Hoare annotation was computed. [2020-07-21 01:04:12,577 INFO L264 CegarLoopResult]: At program point KbFilter_CreateCloseENTRY(lines 627 662) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,577 INFO L264 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,577 INFO L268 CegarLoopResult]: For program point L658-1(line 658) no Hoare annotation was computed. [2020-07-21 01:04:12,577 INFO L268 CegarLoopResult]: For program point KbFilter_CreateCloseFINAL(lines 627 662) no Hoare annotation was computed. [2020-07-21 01:04:12,577 INFO L268 CegarLoopResult]: For program point L642(lines 642 652) no Hoare annotation was computed. [2020-07-21 01:04:12,577 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:04:12,578 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~s~0 |old(~s~0)|) [2020-07-21 01:04:12,578 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:04:12,578 INFO L268 CegarLoopResult]: For program point L894(lines 894 982) no Hoare annotation was computed. [2020-07-21 01:04:12,578 INFO L264 CegarLoopResult]: At program point L890(lines 889 984) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,578 INFO L268 CegarLoopResult]: For program point L915(lines 915 976) no Hoare annotation was computed. [2020-07-21 01:04:12,578 INFO L264 CegarLoopResult]: At program point L882(lines 881 986) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,578 INFO L268 CegarLoopResult]: For program point KbFilter_InternIoCtlEXIT(lines 820 1005) no Hoare annotation was computed. [2020-07-21 01:04:12,579 INFO L268 CegarLoopResult]: For program point L932(lines 932 971) no Hoare annotation was computed. [2020-07-21 01:04:12,579 INFO L268 CegarLoopResult]: For program point L957-1(lines 957 959) no Hoare annotation was computed. [2020-07-21 01:04:12,579 INFO L268 CegarLoopResult]: For program point L908(lines 908 978) no Hoare annotation was computed. [2020-07-21 01:04:12,579 INFO L264 CegarLoopResult]: At program point L970(lines 865 1004) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,579 INFO L264 CegarLoopResult]: At program point L933(lines 873 988) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,580 INFO L264 CegarLoopResult]: At program point L995(line 995) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,580 INFO L268 CegarLoopResult]: For program point L995-1(line 995) no Hoare annotation was computed. [2020-07-21 01:04:12,580 INFO L268 CegarLoopResult]: For program point L929(lines 929 972) no Hoare annotation was computed. [2020-07-21 01:04:12,580 INFO L268 CegarLoopResult]: For program point L954(lines 954 956) no Hoare annotation was computed. [2020-07-21 01:04:12,580 INFO L268 CegarLoopResult]: For program point L954-2(lines 932 969) no Hoare annotation was computed. [2020-07-21 01:04:12,580 INFO L268 CegarLoopResult]: For program point L938(lines 938 941) no Hoare annotation was computed. [2020-07-21 01:04:12,580 INFO L268 CegarLoopResult]: For program point L901(lines 901 980) no Hoare annotation was computed. [2020-07-21 01:04:12,581 INFO L268 CegarLoopResult]: For program point L922(lines 922 974) no Hoare annotation was computed. [2020-07-21 01:04:12,581 INFO L268 CegarLoopResult]: For program point L889(lines 889 984) no Hoare annotation was computed. [2020-07-21 01:04:12,581 INFO L264 CegarLoopResult]: At program point KbFilter_InternIoCtlENTRY(lines 820 1005) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,581 INFO L268 CegarLoopResult]: For program point L881(lines 881 986) no Hoare annotation was computed. [2020-07-21 01:04:12,581 INFO L268 CegarLoopResult]: For program point L873(lines 873 988) no Hoare annotation was computed. [2020-07-21 01:04:12,581 INFO L264 CegarLoopResult]: At program point L1001(line 1001) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,581 INFO L268 CegarLoopResult]: For program point L1001-1(line 1001) no Hoare annotation was computed. [2020-07-21 01:04:12,582 INFO L268 CegarLoopResult]: For program point KbFilter_InternIoCtlFINAL(lines 820 1005) no Hoare annotation was computed. [2020-07-21 01:04:12,582 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 574 615) no Hoare annotation was computed. [2020-07-21 01:04:12,582 INFO L268 CegarLoopResult]: For program point L601(lines 601 613) no Hoare annotation was computed. [2020-07-21 01:04:12,582 INFO L264 CegarLoopResult]: At program point L587(lines 579 598) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (not (<= 5 ~MPR1~0))) (.cse2 (= 1 ~pended~0)) (.cse3 (not (<= ~NP~0 1))) (.cse4 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4) (or .cse0 (= ~s~0 ~NP~0) .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4))) [2020-07-21 01:04:12,582 INFO L268 CegarLoopResult]: For program point L579(lines 579 598) no Hoare annotation was computed. [2020-07-21 01:04:12,583 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 574 615) no Hoare annotation was computed. [2020-07-21 01:04:12,583 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 (<= 5 ~MPR1~0))) (.cse3 (= 1 ~pended~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))) [2020-07-21 01:04:12,583 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 (<= 5 ~MPR1~0))) (.cse3 (= 1 ~pended~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))) [2020-07-21 01:04:12,583 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 (<= 5 ~MPR1~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 .cse1 (not (= |old(~s~0)| ~NP~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~s~0)| ~MPR3~0)) .cse4))) [2020-07-21 01:04:12,583 INFO L268 CegarLoopResult]: For program point L592(lines 592 596) no Hoare annotation was computed. [2020-07-21 01:04:12,583 INFO L268 CegarLoopResult]: For program point L592-1(lines 579 598) no Hoare annotation was computed. [2020-07-21 01:04:12,584 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 574 615) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (= ~setEventCalled~0 1)) (.cse2 (not (<= 5 ~MPR1~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1))) (.cse5 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) (and (= ~MPR3~0 ~s~0) .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse0 (and (= ~s~0 ~NP~0) .cse1) .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5))) [2020-07-21 01:04:12,584 INFO L268 CegarLoopResult]: For program point L580(lines 580 585) no Hoare annotation was computed. [2020-07-21 01:04:12,584 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (= |old(~s~0)| ~NP~0))) (.cse1 (= 1 ~pended~0))) (and (or .cse0 .cse1 (not (<= 1 ~compRegistered~0))) (or .cse0 .cse1 (not (= 0 ~compRegistered~0))))) [2020-07-21 01:04:12,584 INFO L268 CegarLoopResult]: For program point L560-1(lines 552 565) no Hoare annotation was computed. [2020-07-21 01:04:12,584 INFO L268 CegarLoopResult]: For program point L556(lines 556 562) no Hoare annotation was computed. [2020-07-21 01:04:12,585 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 552 565) the Hoare annotation is: (let ((.cse0 (= ~s~0 ~NP~0)) (.cse1 (= 1 ~pended~0)) (.cse2 (not (= ~NP~0 |old(~s~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~compRegistered~0)) .cse2) (or .cse0 .cse1 .cse2 (not (<= 1 ~compRegistered~0))))) [2020-07-21 01:04:12,585 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 552 565) no Hoare annotation was computed. [2020-07-21 01:04:12,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:04:12,585 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (not (= 1 ~pended~0)) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) [2020-07-21 01:04:12,585 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 01:04:12,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:04:12,585 INFO L264 CegarLoopResult]: At program point KbFilter_DispatchPassThroughENTRY(lines 663 686) the Hoare annotation is: (or (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|))) [2020-07-21 01:04:12,586 INFO L268 CegarLoopResult]: For program point L672(lines 672 678) no Hoare annotation was computed. [2020-07-21 01:04:12,586 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (or (= 1 ~pended~0) (not (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (= ~SKIP1~0 ~s~0)) [2020-07-21 01:04:12,586 INFO L268 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-07-21 01:04:12,586 INFO L268 CegarLoopResult]: For program point KbFilter_DispatchPassThroughFINAL(lines 663 686) no Hoare annotation was computed. [2020-07-21 01:04:12,586 INFO L264 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: (or (not (= |old(~s~0)| ~NP~0)) (= 1 ~pended~0) (not (= 0 ~compRegistered~0))) [2020-07-21 01:04:12,586 INFO L268 CegarLoopResult]: For program point KbFilter_DispatchPassThroughEXIT(lines 663 686) no Hoare annotation was computed. [2020-07-21 01:04:12,586 INFO L268 CegarLoopResult]: For program point L676-1(lines 672 678) no Hoare annotation was computed. [2020-07-21 01:04:12,587 INFO L264 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,587 INFO L264 CegarLoopResult]: At program point L192(lines 192 193) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~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))) [2020-07-21 01:04:12,587 INFO L268 CegarLoopResult]: For program point L225-1(lines 221 227) no Hoare annotation was computed. [2020-07-21 01:04:12,587 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 193) no Hoare annotation was computed. [2020-07-21 01:04:12,588 INFO L268 CegarLoopResult]: For program point L151(lines 151 274) no Hoare annotation was computed. [2020-07-21 01:04:12,588 INFO L268 CegarLoopResult]: For program point L118(lines 118 285) no Hoare annotation was computed. [2020-07-21 01:04:12,588 INFO L264 CegarLoopResult]: At program point L110(lines 109 288) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,588 INFO L271 CegarLoopResult]: At program point L267(lines 170 268) the Hoare annotation is: true [2020-07-21 01:04:12,588 INFO L268 CegarLoopResult]: For program point L160(lines 160 271) no Hoare annotation was computed. [2020-07-21 01:04:12,588 INFO L268 CegarLoopResult]: For program point L127(lines 127 282) no Hoare annotation was computed. [2020-07-21 01:04:12,588 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,589 INFO L264 CegarLoopResult]: At program point L169(lines 115 286) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,589 INFO L268 CegarLoopResult]: For program point L136(lines 136 279) no Hoare annotation was computed. [2020-07-21 01:04:12,589 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 79 292) no Hoare annotation was computed. [2020-07-21 01:04:12,589 INFO L268 CegarLoopResult]: For program point L145(lines 145 276) no Hoare annotation was computed. [2020-07-21 01:04:12,589 INFO L268 CegarLoopResult]: For program point L112(lines 112 287) no Hoare annotation was computed. [2020-07-21 01:04:12,589 INFO L268 CegarLoopResult]: For program point L154(lines 154 273) no Hoare annotation was computed. [2020-07-21 01:04:12,589 INFO L268 CegarLoopResult]: For program point L121(lines 121 284) no Hoare annotation was computed. [2020-07-21 01:04:12,589 INFO L264 CegarLoopResult]: At program point L113(lines 112 287) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,590 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 79 292) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~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)|))) [2020-07-21 01:04:12,590 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-07-21 01:04:12,590 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 79 292) no Hoare annotation was computed. [2020-07-21 01:04:12,590 INFO L264 CegarLoopResult]: At program point L262(lines 262 263) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,590 INFO L268 CegarLoopResult]: For program point L262-1(lines 262 263) no Hoare annotation was computed. [2020-07-21 01:04:12,590 INFO L268 CegarLoopResult]: For program point L163(lines 163 270) no Hoare annotation was computed. [2020-07-21 01:04:12,590 INFO L268 CegarLoopResult]: For program point L130(lines 130 281) no Hoare annotation was computed. [2020-07-21 01:04:12,590 INFO L268 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2020-07-21 01:04:12,591 INFO L268 CegarLoopResult]: For program point L180(lines 180 186) no Hoare annotation was computed. [2020-07-21 01:04:12,591 INFO L268 CegarLoopResult]: For program point L180-1(lines 175 187) no Hoare annotation was computed. [2020-07-21 01:04:12,591 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-07-21 01:04:12,591 INFO L268 CegarLoopResult]: For program point L139(lines 139 278) no Hoare annotation was computed. [2020-07-21 01:04:12,591 INFO L268 CegarLoopResult]: For program point L106(lines 106 289) no Hoare annotation was computed. [2020-07-21 01:04:12,591 INFO L268 CegarLoopResult]: For program point L197(lines 197 203) no Hoare annotation was computed. [2020-07-21 01:04:12,591 INFO L268 CegarLoopResult]: For program point L197-2(lines 170 266) no Hoare annotation was computed. [2020-07-21 01:04:12,592 INFO L264 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,592 INFO L268 CegarLoopResult]: For program point L247-1(line 247) no Hoare annotation was computed. [2020-07-21 01:04:12,592 INFO L268 CegarLoopResult]: For program point L148(lines 148 275) no Hoare annotation was computed. [2020-07-21 01:04:12,592 INFO L268 CegarLoopResult]: For program point L115(lines 115 286) no Hoare annotation was computed. [2020-07-21 01:04:12,592 INFO L268 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-07-21 01:04:12,592 INFO L264 CegarLoopResult]: At program point L107(lines 106 289) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~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)|))) [2020-07-21 01:04:12,592 INFO L264 CegarLoopResult]: At program point L231(lines 231 232) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,593 INFO L268 CegarLoopResult]: For program point L231-1(lines 231 232) no Hoare annotation was computed. [2020-07-21 01:04:12,593 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,593 INFO L268 CegarLoopResult]: For program point L256-1(lines 252 258) no Hoare annotation was computed. [2020-07-21 01:04:12,593 INFO L268 CegarLoopResult]: For program point L157(lines 157 272) no Hoare annotation was computed. [2020-07-21 01:04:12,593 INFO L268 CegarLoopResult]: For program point L124(lines 124 283) no Hoare annotation was computed. [2020-07-21 01:04:12,593 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,594 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 (<= 5 ~MPR1~0)) (and (= ~s~0 ~NP~0) .cse0 .cse1) (= 1 ~pended~0) (and (= 259 KbFilter_PnP_~__cil_tmp23~0) (<= 259 KbFilter_PnP_~status~0) (= ~MPR3~0 ~s~0) .cse0 .cse1) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|)))) [2020-07-21 01:04:12,594 INFO L268 CegarLoopResult]: For program point L166(lines 166 269) no Hoare annotation was computed. [2020-07-21 01:04:12,594 INFO L268 CegarLoopResult]: For program point L199-1(lines 199 201) no Hoare annotation was computed. [2020-07-21 01:04:12,594 INFO L268 CegarLoopResult]: For program point L133(lines 133 280) no Hoare annotation was computed. [2020-07-21 01:04:12,594 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|)) (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0))) [2020-07-21 01:04:12,594 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (= |old(~s~0)| ~NP~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 01:04:12,594 INFO L268 CegarLoopResult]: For program point L241-1(lines 237 243) no Hoare annotation was computed. [2020-07-21 01:04:12,595 INFO L268 CegarLoopResult]: For program point L175(lines 175 187) no Hoare annotation was computed. [2020-07-21 01:04:12,595 INFO L268 CegarLoopResult]: For program point L142(lines 142 277) no Hoare annotation was computed. [2020-07-21 01:04:12,595 INFO L268 CegarLoopResult]: For program point L109(lines 109 288) no Hoare annotation was computed. [2020-07-21 01:04:12,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:04:12 BoogieIcfgContainer [2020-07-21 01:04:12,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 01:04:12,650 INFO L168 Benchmark]: Toolchain (without parser) took 16151.39 ms. Allocated memory was 136.8 MB in the beginning and 365.4 MB in the end (delta: 228.6 MB). Free memory was 100.5 MB in the beginning and 267.9 MB in the end (delta: -167.4 MB). Peak memory consumption was 209.0 MB. Max. memory is 7.1 GB. [2020-07-21 01:04:12,651 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 01:04:12,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 921.26 ms. Allocated memory was 136.8 MB in the beginning and 202.9 MB in the end (delta: 66.1 MB). Free memory was 100.1 MB in the beginning and 175.9 MB in the end (delta: -75.9 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-21 01:04:12,653 INFO L168 Benchmark]: Boogie Preprocessor took 140.28 ms. Allocated memory is still 202.9 MB. Free memory was 175.9 MB in the beginning and 173.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-21 01:04:12,654 INFO L168 Benchmark]: RCFGBuilder took 1548.30 ms. Allocated memory is still 202.9 MB. Free memory was 173.1 MB in the beginning and 101.6 MB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2020-07-21 01:04:12,654 INFO L168 Benchmark]: TraceAbstraction took 13529.46 ms. Allocated memory was 202.9 MB in the beginning and 365.4 MB in the end (delta: 162.5 MB). Free memory was 101.6 MB in the beginning and 267.9 MB in the end (delta: -166.3 MB). Peak memory consumption was 144.0 MB. Max. memory is 7.1 GB. [2020-07-21 01:04:12,658 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 921.26 ms. Allocated memory was 136.8 MB in the beginning and 202.9 MB in the end (delta: 66.1 MB). Free memory was 100.1 MB in the beginning and 175.9 MB in the end (delta: -75.9 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.28 ms. Allocated memory is still 202.9 MB. Free memory was 175.9 MB in the beginning and 173.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1548.30 ms. Allocated memory is still 202.9 MB. Free memory was 173.1 MB in the beginning and 101.6 MB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13529.46 ms. Allocated memory was 202.9 MB in the beginning and 365.4 MB in the end (delta: 162.5 MB). Free memory was 101.6 MB in the beginning and 267.9 MB in the end (delta: -166.3 MB). Peak memory consumption was 144.0 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(s) == \old(NP)) || !(1 == pended)) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(NP)) || 0 <= status) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((s == NP || 1 == pended) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: ((!(SKIP1 == \old(s)) || 1 == pended) || !(0 == compRegistered)) || SKIP1 == s - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: ((s == NP || 1 == pended) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((!(SKIP1 == \old(s)) || 1 == pended) || !(0 == compRegistered)) || SKIP1 == s) && (((((!(5 <= MPR1) || 1 == pended) || !(NP == \old(s))) || (MPR1 == s && 0 == __cil_tmp7 + 1073741802)) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: ((((((((s == NP && 0 <= status) && !(1 == pended)) && 0 == compRegistered) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((!(SKIP1 == \old(s)) || 1 == pended) || !(0 == compRegistered)) || SKIP1 == s - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: ((s == NP || 1 == pended) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((!(5 <= MPR1) || 1 == pended) || !(NP == \old(s))) || (s == NP && 0 == compRegistered)) || !(NP <= 1)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((s == NP || 1 == pended) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((!(5 <= MPR1) || 1 == pended) || !(NP == \old(s))) || (s == NP && 0 == compRegistered)) || !(NP <= 1)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: (((((((((MPR1 == s && 0 == __cil_tmp7 + 1073741802) && setEventCalled == 1) && 259 == returnVal2) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || ((returnVal2 <= 0 && MPR1 == s) && 0 == __cil_tmp7 + 1073741802)) || !(1 <= compRegistered)) && (((!(SKIP1 == \old(s)) || 1 == pended) || !(0 == compRegistered)) || SKIP1 == s) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((s == NP || 1 == pended) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: ((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || s == NP) || !(5 <= MPR1)) || 1 == pended) || !(NP <= 1)) || !(1 <= compRegistered)) && ((((((!(1 == \old(setEventCalled)) || s == NP) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: ((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || s == NP) || !(5 <= MPR1)) || 1 == pended) || !(NP <= 1)) || !(1 <= compRegistered)) && ((((((!(1 == \old(setEventCalled)) || s == NP) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(NP)) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || (((((NP <= 1 && s == NP) && 0 <= status) && !(1 == pended)) && 5 <= MPR1) && 0 == compRegistered) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((!(5 <= MPR1) || 1 == pended) || !(NP == \old(s))) || (s == \old(s) && 0 == compRegistered)) || !(NP <= 1)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(NP)) || !(1 == pended)) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: ((s == NP || 1 == pended) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((s == NP || 1 == pended) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(NP)) || !(1 == pended)) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: ((!(SKIP1 == \old(s)) || 1 == pended) || !(0 == compRegistered)) || SKIP1 == s - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(5 <= MPR1)) || 1 == pended) || !(NP <= 1)) || !(1 <= compRegistered)) && ((((((!(1 == \old(setEventCalled)) || s == NP) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: ((((((((s == NP && 0 <= status) && !(1 == pended)) && 0 == compRegistered) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((((MPR1 == s && 0 == __cil_tmp7 + 1073741802) && setEventCalled == 1) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) && (((!(SKIP1 == \old(s)) || 1 == pended) || !(0 == compRegistered)) || SKIP1 == s) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((s == NP || 1 == pended) || !(0 == compRegistered)) || !(NP == \old(s)) - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(NP)) || !(1 == pended)) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((!(SKIP1 == \old(s)) || 1 == pended) || !(0 == compRegistered)) || SKIP1 == s - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((!(SKIP1 == \old(s)) || 1 == pended) || !(0 == compRegistered)) || SKIP1 == s) && (((((!(5 <= MPR1) || 1 == pended) || !(NP == \old(s))) || (MPR1 == s && 0 == __cil_tmp7 + 1073741802)) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((((((s == NP && 0 <= status) && !(1 == pended)) && 0 == compRegistered) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((((!(5 <= MPR1) || 1 == pended) || !(NP == \old(s))) || (s == NP && 0 == compRegistered)) || !(NP <= 1)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: ((((((((s == NP && 0 <= status) && !(1 == pended)) && 0 == compRegistered) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(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: 10.0s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2786 SDtfs, 1064 SDslu, 2593 SDs, 0 SdLazy, 374 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 823 GetRequests, 787 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s 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: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 70 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 84 LocationsWithAnnotation, 312 PreInvPairs, 380 NumberOfFragments, 2145 HoareAnnotationTreeSize, 312 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 84 FomulaSimplificationsInter, 694 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 834 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 818 ConstructedInterpolants, 0 QuantifiedInterpolants, 78613 SizeOfPredicates, 15 NumberOfNonLiveVariables, 9589 ConjunctsInSsa, 89 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...