/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 DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 19:50:40,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 19:50:40,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 19:50:40,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 19:50:40,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 19:50:40,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 19:50:40,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 19:50:40,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 19:50:40,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 19:50:40,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 19:50:40,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 19:50:40,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 19:50:40,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 19:50:40,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 19:50:40,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 19:50:40,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 19:50:40,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 19:50:40,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 19:50:40,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 19:50:40,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 19:50:40,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 19:50:40,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 19:50:40,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 19:50:40,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 19:50:40,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 19:50:40,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 19:50:40,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 19:50:40,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 19:50:40,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 19:50:40,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 19:50:40,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 19:50:40,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 19:50:40,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 19:50:40,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 19:50:40,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 19:50:40,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 19:50:40,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 19:50:40,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 19:50:40,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 19:50:40,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 19:50:40,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 19:50:40,357 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 19:50:40,372 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 19:50:40,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 19:50:40,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 19:50:40,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 19:50:40,375 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 19:50:40,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 19:50:40,375 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 19:50:40,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 19:50:40,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 19:50:40,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 19:50:40,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 19:50:40,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 19:50:40,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 19:50:40,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 19:50:40,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 19:50:40,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 19:50:40,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 19:50:40,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 19:50:40,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 19:50:40,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 19:50:40,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 19:50:40,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 19:50:40,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 19:50:40,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 19:50:40,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 19:50:40,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 19:50:40,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:40,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 19:50:40,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 19:50:40,380 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 -> DAGSIZE 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 -> 2 [2020-07-21 19:50:40,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 19:50:40,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 19:50:40,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 19:50:40,701 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 19:50:40,702 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 19:50:40,703 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-21 19:50:40,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8280221e2/36178add959d45bc8e8e305597672def/FLAG1cfb22f71 [2020-07-21 19:50:41,438 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 19:50:41,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-21 19:50:41,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8280221e2/36178add959d45bc8e8e305597672def/FLAG1cfb22f71 [2020-07-21 19:50:41,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8280221e2/36178add959d45bc8e8e305597672def [2020-07-21 19:50:41,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 19:50:41,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 19:50:41,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 19:50:41,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 19:50:41,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 19:50:41,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 07:50:41" (1/1) ... [2020-07-21 19:50:41,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fc409a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:41, skipping insertion in model container [2020-07-21 19:50:41,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 07:50:41" (1/1) ... [2020-07-21 19:50:41,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 19:50:41,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 19:50:42,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 19:50:42,116 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 19:50:42,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 19:50:42,299 INFO L208 MainTranslator]: Completed translation [2020-07-21 19:50:42,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:42 WrapperNode [2020-07-21 19:50:42,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 19:50:42,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 19:50:42,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 19:50:42,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 19:50:42,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:42" (1/1) ... [2020-07-21 19:50:42,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:42" (1/1) ... [2020-07-21 19:50:42,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:42" (1/1) ... [2020-07-21 19:50:42,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:42" (1/1) ... [2020-07-21 19:50:42,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:42" (1/1) ... [2020-07-21 19:50:42,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:42" (1/1) ... [2020-07-21 19:50:42,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:42" (1/1) ... [2020-07-21 19:50:42,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 19:50:42,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 19:50:42,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 19:50:42,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 19:50:42,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:42" (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 19:50:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 19:50:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 19:50:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-07-21 19:50:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-07-21 19:50:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-07-21 19:50:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 19:50:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-07-21 19:50:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-07-21 19:50:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-07-21 19:50:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-07-21 19:50:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-07-21 19:50:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-07-21 19:50:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-07-21 19:50:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 19:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-21 19:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 19:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-21 19:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-07-21 19:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-07-21 19:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-07-21 19:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-07-21 19:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-07-21 19:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-07-21 19:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-07-21 19:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-07-21 19:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-07-21 19:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 19:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-07-21 19:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 19:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 19:50:42,762 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 19:50:42,875 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-07-21 19:50:42,875 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-07-21 19:50:42,877 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 19:50:42,919 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-07-21 19:50:42,919 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-07-21 19:50:42,956 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 19:50:42,982 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-07-21 19:50:42,983 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-07-21 19:50:42,998 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 19:50:43,154 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-07-21 19:50:43,154 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-07-21 19:50:43,171 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 19:50:43,172 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 19:50:43,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 07:50:43 BoogieIcfgContainer [2020-07-21 19:50:43,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 19:50:43,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 19:50:43,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 19:50:43,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 19:50:43,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 07:50:41" (1/3) ... [2020-07-21 19:50:43,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dea27fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 07:50:43, skipping insertion in model container [2020-07-21 19:50:43,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:50:42" (2/3) ... [2020-07-21 19:50:43,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dea27fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 07:50:43, skipping insertion in model container [2020-07-21 19:50:43,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 07:50:43" (3/3) ... [2020-07-21 19:50:43,190 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-07-21 19:50:43,204 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 19:50:43,214 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 19:50:43,231 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 19:50:43,262 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 19:50:43,263 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 19:50:43,263 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 19:50:43,263 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 19:50:43,263 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 19:50:43,264 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 19:50:43,264 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 19:50:43,264 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 19:50:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-21 19:50:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-21 19:50:43,300 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:43,301 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 19:50:43,302 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:43,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:43,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-07-21 19:50:43,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:43,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1580800658] [2020-07-21 19:50:43,322 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:43,449 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 19:50:43,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:43,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 19:50:43,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:43,508 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 19:50:43,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:43,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1580800658] [2020-07-21 19:50:43,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:43,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:43,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227254321] [2020-07-21 19:50:43,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:43,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:43,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:43,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:43,536 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-07-21 19:50:43,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:43,635 INFO L93 Difference]: Finished difference Result 286 states and 438 transitions. [2020-07-21 19:50:43,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:43,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-21 19:50:43,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:43,654 INFO L225 Difference]: With dead ends: 286 [2020-07-21 19:50:43,654 INFO L226 Difference]: Without dead ends: 140 [2020-07-21 19:50:43,661 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 19:50:43,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-21 19:50:43,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-07-21 19:50:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-21 19:50:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2020-07-21 19:50:43,727 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 20 [2020-07-21 19:50:43,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:43,727 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2020-07-21 19:50:43,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:43,728 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2020-07-21 19:50:43,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-21 19:50:43,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:43,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 19:50:43,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:43,945 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:43,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:43,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-07-21 19:50:43,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:43,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862144753] [2020-07-21 19:50:43,948 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:44,131 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 19:50:44,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:44,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 19:50:44,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:44,150 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 19:50:44,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:44,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862144753] [2020-07-21 19:50:44,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:44,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:44,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081215357] [2020-07-21 19:50:44,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:44,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:44,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:44,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:44,155 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 3 states. [2020-07-21 19:50:44,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:44,293 INFO L93 Difference]: Finished difference Result 258 states and 346 transitions. [2020-07-21 19:50:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:44,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-21 19:50:44,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:44,298 INFO L225 Difference]: With dead ends: 258 [2020-07-21 19:50:44,298 INFO L226 Difference]: Without dead ends: 202 [2020-07-21 19:50:44,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 19:50:44,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-21 19:50:44,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 189. [2020-07-21 19:50:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-21 19:50:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 252 transitions. [2020-07-21 19:50:44,328 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 252 transitions. Word has length 26 [2020-07-21 19:50:44,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:44,329 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 252 transitions. [2020-07-21 19:50:44,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:44,329 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 252 transitions. [2020-07-21 19:50:44,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-21 19:50:44,330 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:44,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 19:50:44,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:44,547 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:44,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:44,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-07-21 19:50:44,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:44,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139473332] [2020-07-21 19:50:44,550 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:44,634 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 19:50:44,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:44,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 19:50:44,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:44,661 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 19:50:44,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:44,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139473332] [2020-07-21 19:50:44,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:44,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:44,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141985644] [2020-07-21 19:50:44,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:44,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:44,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:44,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:44,664 INFO L87 Difference]: Start difference. First operand 189 states and 252 transitions. Second operand 3 states. [2020-07-21 19:50:44,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:44,701 INFO L93 Difference]: Finished difference Result 310 states and 406 transitions. [2020-07-21 19:50:44,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:44,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-21 19:50:44,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:44,705 INFO L225 Difference]: With dead ends: 310 [2020-07-21 19:50:44,705 INFO L226 Difference]: Without dead ends: 248 [2020-07-21 19:50:44,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 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 19:50:44,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-07-21 19:50:44,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 211. [2020-07-21 19:50:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-21 19:50:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 282 transitions. [2020-07-21 19:50:44,736 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 282 transitions. Word has length 27 [2020-07-21 19:50:44,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:44,737 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 282 transitions. [2020-07-21 19:50:44,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2020-07-21 19:50:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-21 19:50:44,739 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:44,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 19:50:44,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:44,955 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:44,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:44,956 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-07-21 19:50:44,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:44,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527702469] [2020-07-21 19:50:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:45,056 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 19:50:45,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:45,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 19:50:45,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 19:50:45,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:45,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527702469] [2020-07-21 19:50:45,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:45,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:45,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682199824] [2020-07-21 19:50:45,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:45,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:45,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:45,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:45,092 INFO L87 Difference]: Start difference. First operand 211 states and 282 transitions. Second operand 3 states. [2020-07-21 19:50:45,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:45,214 INFO L93 Difference]: Finished difference Result 214 states and 284 transitions. [2020-07-21 19:50:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:45,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-21 19:50:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:45,222 INFO L225 Difference]: With dead ends: 214 [2020-07-21 19:50:45,223 INFO L226 Difference]: Without dead ends: 211 [2020-07-21 19:50:45,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 19:50:45,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-21 19:50:45,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2020-07-21 19:50:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-21 19:50:45,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 281 transitions. [2020-07-21 19:50:45,269 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 281 transitions. Word has length 37 [2020-07-21 19:50:45,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:45,271 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 281 transitions. [2020-07-21 19:50:45,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:45,271 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 281 transitions. [2020-07-21 19:50:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-21 19:50:45,276 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:45,276 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 19:50:45,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:45,492 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:45,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:45,493 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-07-21 19:50:45,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:45,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331425391] [2020-07-21 19:50:45,495 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:45,646 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 19:50:45,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:45,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 19:50:45,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:45,729 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 19:50:45,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:45,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331425391] [2020-07-21 19:50:45,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:45,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 19:50:45,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170936851] [2020-07-21 19:50:45,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 19:50:45,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:45,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 19:50:45,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 19:50:45,735 INFO L87 Difference]: Start difference. First operand 211 states and 281 transitions. Second operand 5 states. [2020-07-21 19:50:45,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:45,956 INFO L93 Difference]: Finished difference Result 324 states and 427 transitions. [2020-07-21 19:50:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 19:50:45,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2020-07-21 19:50:45,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:45,959 INFO L225 Difference]: With dead ends: 324 [2020-07-21 19:50:45,960 INFO L226 Difference]: Without dead ends: 258 [2020-07-21 19:50:45,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 19:50:45,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-07-21 19:50:45,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 229. [2020-07-21 19:50:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 19:50:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 302 transitions. [2020-07-21 19:50:45,981 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 302 transitions. Word has length 45 [2020-07-21 19:50:45,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:45,982 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 302 transitions. [2020-07-21 19:50:45,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 19:50:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 302 transitions. [2020-07-21 19:50:45,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-21 19:50:45,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:45,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 19:50:46,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:46,200 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:46,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:46,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1473664029, now seen corresponding path program 1 times [2020-07-21 19:50:46,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:46,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087913077] [2020-07-21 19:50:46,201 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:46,316 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 19:50:46,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:46,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 19:50:46,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:46,336 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 19:50:46,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:46,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087913077] [2020-07-21 19:50:46,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:46,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:46,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879820101] [2020-07-21 19:50:46,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:46,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:46,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:46,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:46,346 INFO L87 Difference]: Start difference. First operand 229 states and 302 transitions. Second operand 3 states. [2020-07-21 19:50:46,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:46,383 INFO L93 Difference]: Finished difference Result 285 states and 369 transitions. [2020-07-21 19:50:46,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:46,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-21 19:50:46,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:46,387 INFO L225 Difference]: With dead ends: 285 [2020-07-21 19:50:46,387 INFO L226 Difference]: Without dead ends: 221 [2020-07-21 19:50:46,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 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 19:50:46,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-21 19:50:46,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 200. [2020-07-21 19:50:46,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-07-21 19:50:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 263 transitions. [2020-07-21 19:50:46,417 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 263 transitions. Word has length 45 [2020-07-21 19:50:46,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:46,418 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 263 transitions. [2020-07-21 19:50:46,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 263 transitions. [2020-07-21 19:50:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 19:50:46,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:46,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 19:50:46,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:46,642 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:46,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:46,643 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-07-21 19:50:46,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:46,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538463980] [2020-07-21 19:50:46,645 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:46,734 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 19:50:46,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:46,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 19:50:46,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 19:50:46,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:46,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538463980] [2020-07-21 19:50:46,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:46,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:46,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227216499] [2020-07-21 19:50:46,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:46,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:46,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:46,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:46,771 INFO L87 Difference]: Start difference. First operand 200 states and 263 transitions. Second operand 3 states. [2020-07-21 19:50:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:46,835 INFO L93 Difference]: Finished difference Result 259 states and 338 transitions. [2020-07-21 19:50:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:46,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 19:50:46,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:46,838 INFO L225 Difference]: With dead ends: 259 [2020-07-21 19:50:46,839 INFO L226 Difference]: Without dead ends: 198 [2020-07-21 19:50:46,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 19:50:46,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-07-21 19:50:46,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2020-07-21 19:50:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-07-21 19:50:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2020-07-21 19:50:46,854 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 51 [2020-07-21 19:50:46,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:46,855 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2020-07-21 19:50:46,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2020-07-21 19:50:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-21 19:50:46,857 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:46,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 19:50:47,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:47,072 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:47,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:47,073 INFO L82 PathProgramCache]: Analyzing trace with hash 572107035, now seen corresponding path program 1 times [2020-07-21 19:50:47,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:47,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702594947] [2020-07-21 19:50:47,075 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:47,159 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 19:50:47,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:47,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 19:50:47,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:47,218 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 19:50:47,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:47,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702594947] [2020-07-21 19:50:47,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:47,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 19:50:47,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656887787] [2020-07-21 19:50:47,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 19:50:47,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:47,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 19:50:47,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 19:50:47,221 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand 6 states. [2020-07-21 19:50:47,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:47,526 INFO L93 Difference]: Finished difference Result 233 states and 303 transitions. [2020-07-21 19:50:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 19:50:47,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-21 19:50:47,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:47,528 INFO L225 Difference]: With dead ends: 233 [2020-07-21 19:50:47,529 INFO L226 Difference]: Without dead ends: 209 [2020-07-21 19:50:47,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 19:50:47,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-07-21 19:50:47,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 204. [2020-07-21 19:50:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-07-21 19:50:47,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 265 transitions. [2020-07-21 19:50:47,550 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 265 transitions. Word has length 50 [2020-07-21 19:50:47,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:47,553 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 265 transitions. [2020-07-21 19:50:47,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 19:50:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 265 transitions. [2020-07-21 19:50:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 19:50:47,556 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:47,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 19:50:47,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:47,770 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:47,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:47,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1461171158, now seen corresponding path program 1 times [2020-07-21 19:50:47,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:47,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345645692] [2020-07-21 19:50:47,773 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:47,879 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 19:50:47,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:47,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 19:50:47,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:47,925 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 19:50:47,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:47,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345645692] [2020-07-21 19:50:47,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:47,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:47,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313678183] [2020-07-21 19:50:47,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:47,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:47,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:47,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:47,930 INFO L87 Difference]: Start difference. First operand 204 states and 265 transitions. Second operand 3 states. [2020-07-21 19:50:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:47,960 INFO L93 Difference]: Finished difference Result 213 states and 276 transitions. [2020-07-21 19:50:47,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:47,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 19:50:47,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:47,962 INFO L225 Difference]: With dead ends: 213 [2020-07-21 19:50:47,962 INFO L226 Difference]: Without dead ends: 107 [2020-07-21 19:50:47,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 19:50:47,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-21 19:50:47,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-07-21 19:50:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-21 19:50:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2020-07-21 19:50:47,972 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 52 [2020-07-21 19:50:47,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:47,973 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2020-07-21 19:50:47,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:47,973 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2020-07-21 19:50:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 19:50:47,974 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:47,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 19:50:48,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:48,190 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:48,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:48,190 INFO L82 PathProgramCache]: Analyzing trace with hash -367309916, now seen corresponding path program 1 times [2020-07-21 19:50:48,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:48,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732239040] [2020-07-21 19:50:48,192 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:48,280 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 19:50:48,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:48,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 19:50:48,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:48,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 19:50:48,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:48,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732239040] [2020-07-21 19:50:48,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:48,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 19:50:48,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131449897] [2020-07-21 19:50:48,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 19:50:48,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:48,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 19:50:48,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 19:50:48,329 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand 4 states. [2020-07-21 19:50:48,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:48,416 INFO L93 Difference]: Finished difference Result 117 states and 131 transitions. [2020-07-21 19:50:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 19:50:48,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-21 19:50:48,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:48,418 INFO L225 Difference]: With dead ends: 117 [2020-07-21 19:50:48,418 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 19:50:48,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 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 19:50:48,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 19:50:48,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 19:50:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 19:50:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions. [2020-07-21 19:50:48,427 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 59 [2020-07-21 19:50:48,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:48,427 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions. [2020-07-21 19:50:48,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 19:50:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2020-07-21 19:50:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 19:50:48,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:48,429 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 19:50:48,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:48,630 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:48,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:48,631 INFO L82 PathProgramCache]: Analyzing trace with hash -14076392, now seen corresponding path program 1 times [2020-07-21 19:50:48,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:48,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137568086] [2020-07-21 19:50:48,631 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:48,716 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 19:50:48,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:48,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 19:50:48,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:48,741 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 19:50:48,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:48,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137568086] [2020-07-21 19:50:48,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:48,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:48,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416896246] [2020-07-21 19:50:48,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:48,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:48,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:48,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:48,744 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand 3 states. [2020-07-21 19:50:48,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:48,773 INFO L93 Difference]: Finished difference Result 105 states and 117 transitions. [2020-07-21 19:50:48,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:48,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-21 19:50:48,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:48,775 INFO L225 Difference]: With dead ends: 105 [2020-07-21 19:50:48,775 INFO L226 Difference]: Without dead ends: 86 [2020-07-21 19:50:48,776 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 19:50:48,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-07-21 19:50:48,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 81. [2020-07-21 19:50:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-21 19:50:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2020-07-21 19:50:48,783 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 61 [2020-07-21 19:50:48,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:48,783 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2020-07-21 19:50:48,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2020-07-21 19:50:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 19:50:48,784 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:48,785 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 19:50:48,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:48,998 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:48,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:48,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1135324297, now seen corresponding path program 1 times [2020-07-21 19:50:48,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:49,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [704781854] [2020-07-21 19:50:49,000 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:49,115 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 19:50:49,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:49,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 19:50:49,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:49,141 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 19:50:49,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:49,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [704781854] [2020-07-21 19:50:49,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:49,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:49,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669916527] [2020-07-21 19:50:49,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:49,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:49,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:49,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:49,144 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand 3 states. [2020-07-21 19:50:49,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:49,166 INFO L93 Difference]: Finished difference Result 108 states and 118 transitions. [2020-07-21 19:50:49,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:49,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-21 19:50:49,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:49,169 INFO L225 Difference]: With dead ends: 108 [2020-07-21 19:50:49,169 INFO L226 Difference]: Without dead ends: 87 [2020-07-21 19:50:49,170 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 19:50:49,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-21 19:50:49,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2020-07-21 19:50:49,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-21 19:50:49,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2020-07-21 19:50:49,179 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 61 [2020-07-21 19:50:49,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:49,179 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2020-07-21 19:50:49,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2020-07-21 19:50:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 19:50:49,180 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:49,181 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 19:50:49,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:49,396 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:49,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:49,397 INFO L82 PathProgramCache]: Analyzing trace with hash -600882406, now seen corresponding path program 1 times [2020-07-21 19:50:49,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:49,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057288258] [2020-07-21 19:50:49,398 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:49,545 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 19:50:49,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:49,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 19:50:49,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:49,603 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 19:50:49,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:49,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057288258] [2020-07-21 19:50:49,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:49,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 19:50:49,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684971780] [2020-07-21 19:50:49,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 19:50:49,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:49,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 19:50:49,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 19:50:49,607 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand 5 states. [2020-07-21 19:50:49,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:49,694 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2020-07-21 19:50:49,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 19:50:49,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-07-21 19:50:49,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:49,696 INFO L225 Difference]: With dead ends: 92 [2020-07-21 19:50:49,696 INFO L226 Difference]: Without dead ends: 71 [2020-07-21 19:50:49,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 19:50:49,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-21 19:50:49,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-21 19:50:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-21 19:50:49,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 74 transitions. [2020-07-21 19:50:49,704 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 74 transitions. Word has length 61 [2020-07-21 19:50:49,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:49,705 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 74 transitions. [2020-07-21 19:50:49,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 19:50:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 74 transitions. [2020-07-21 19:50:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 19:50:49,706 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:49,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:49,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:49,920 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:49,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:49,921 INFO L82 PathProgramCache]: Analyzing trace with hash 475938380, now seen corresponding path program 1 times [2020-07-21 19:50:49,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:49,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029567740] [2020-07-21 19:50:49,922 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:50,071 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 19:50:50,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:50,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 19:50:50,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:50,112 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 19:50:50,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:50,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029567740] [2020-07-21 19:50:50,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:50,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 19:50:50,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683407927] [2020-07-21 19:50:50,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 19:50:50,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:50,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 19:50:50,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 19:50:50,115 INFO L87 Difference]: Start difference. First operand 71 states and 74 transitions. Second operand 6 states. [2020-07-21 19:50:50,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:50,150 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2020-07-21 19:50:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 19:50:50,151 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 19:50:50,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:50,152 INFO L225 Difference]: With dead ends: 78 [2020-07-21 19:50:50,152 INFO L226 Difference]: Without dead ends: 71 [2020-07-21 19:50:50,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 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 19:50:50,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-21 19:50:50,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-21 19:50:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-21 19:50:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 73 transitions. [2020-07-21 19:50:50,160 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 73 transitions. Word has length 62 [2020-07-21 19:50:50,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:50,161 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 73 transitions. [2020-07-21 19:50:50,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 19:50:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2020-07-21 19:50:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 19:50:50,162 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:50,162 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 19:50:50,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:50,363 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:50,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:50,363 INFO L82 PathProgramCache]: Analyzing trace with hash 359859562, now seen corresponding path program 1 times [2020-07-21 19:50:50,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:50,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659148232] [2020-07-21 19:50:50,364 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:50,469 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 19:50:50,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:50,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 19:50:50,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:50,491 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 19:50:50,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:50,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659148232] [2020-07-21 19:50:50,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:50,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:50,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502942686] [2020-07-21 19:50:50,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:50,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:50,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:50,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:50,495 INFO L87 Difference]: Start difference. First operand 71 states and 73 transitions. Second operand 3 states. [2020-07-21 19:50:50,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:50,511 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2020-07-21 19:50:50,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:50,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-21 19:50:50,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:50,516 INFO L225 Difference]: With dead ends: 73 [2020-07-21 19:50:50,517 INFO L226 Difference]: Without dead ends: 64 [2020-07-21 19:50:50,519 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 19:50:50,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-21 19:50:50,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-07-21 19:50:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-21 19:50:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2020-07-21 19:50:50,527 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 63 [2020-07-21 19:50:50,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:50,527 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2020-07-21 19:50:50,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:50,528 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2020-07-21 19:50:50,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 19:50:50,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:50,529 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 19:50:50,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:50,743 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:50,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:50,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1228040100, now seen corresponding path program 1 times [2020-07-21 19:50:50,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:50,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131527895] [2020-07-21 19:50:50,744 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 19:50:50,855 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 19:50:50,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:50,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 19:50:50,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:50,895 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 19:50:50,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:50,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131527895] [2020-07-21 19:50:50,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:50,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 19:50:50,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017233742] [2020-07-21 19:50:50,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 19:50:50,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:50,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 19:50:50,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 19:50:50,904 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand 3 states. [2020-07-21 19:50:50,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:50,925 INFO L93 Difference]: Finished difference Result 117 states and 118 transitions. [2020-07-21 19:50:50,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 19:50:50,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-21 19:50:50,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:50,927 INFO L225 Difference]: With dead ends: 117 [2020-07-21 19:50:50,927 INFO L226 Difference]: Without dead ends: 110 [2020-07-21 19:50:50,928 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 19:50:50,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-21 19:50:50,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2020-07-21 19:50:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-21 19:50:50,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 110 transitions. [2020-07-21 19:50:50,939 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 110 transitions. Word has length 63 [2020-07-21 19:50:50,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:50,940 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 110 transitions. [2020-07-21 19:50:50,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 19:50:50,940 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2020-07-21 19:50:50,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 19:50:50,941 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:50:50,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 19:50:51,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:51,155 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:50:51,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:50:51,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1291919834, now seen corresponding path program 1 times [2020-07-21 19:50:51,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:50:51,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067901694] [2020-07-21 19:50:51,156 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:51,275 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 19:50:51,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 19:50:51,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 19:50:51,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 19:50:51,313 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 19:50:51,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 19:50:51,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067901694] [2020-07-21 19:50:51,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 19:50:51,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 19:50:51,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909928563] [2020-07-21 19:50:51,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 19:50:51,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 19:50:51,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 19:50:51,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 19:50:51,320 INFO L87 Difference]: Start difference. First operand 109 states and 110 transitions. Second operand 6 states. [2020-07-21 19:50:51,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 19:50:51,346 INFO L93 Difference]: Finished difference Result 109 states and 110 transitions. [2020-07-21 19:50:51,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 19:50:51,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-07-21 19:50:51,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 19:50:51,347 INFO L225 Difference]: With dead ends: 109 [2020-07-21 19:50:51,348 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 19:50:51,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 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 19:50:51,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 19:50:51,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 19:50:51,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 19:50:51,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 19:50:51,350 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-07-21 19:50:51,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 19:50:51,350 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 19:50:51,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 19:50:51,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 19:50:51,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 19:50:51,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:50:51,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 19:50:52,492 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-07-21 19:50:52,738 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-07-21 19:50:53,034 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2020-07-21 19:50:53,304 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-07-21 19:50:53,596 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-07-21 19:50:53,760 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-07-21 19:50:54,029 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-07-21 19:50:54,224 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-07-21 19:50:54,358 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2020-07-21 19:50:54,507 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-07-21 19:50:54,727 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-07-21 19:50:54,914 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-07-21 19:50:55,180 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-07-21 19:50:55,332 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-07-21 19:50:55,568 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-07-21 19:50:55,938 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-07-21 19:50:56,062 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 45 [2020-07-21 19:50:56,354 INFO L271 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: true [2020-07-21 19:50:56,355 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-07-21 19:50:56,355 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-07-21 19:50:56,355 INFO L271 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: true [2020-07-21 19:50:56,356 INFO L271 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: true [2020-07-21 19:50:56,356 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-07-21 19:50:56,356 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-07-21 19:50:56,356 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-07-21 19:50:56,357 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-07-21 19:50:56,357 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 35 48) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= |old(~pended~0)| 0)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0) (<= ~pended~0 0)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,357 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-07-21 19:50:56,357 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-07-21 19:50:56,357 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 49 70) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (<= ~pended~0 0) (= ~SKIP1~0 ~s~0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 19:50:56,357 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-07-21 19:50:56,358 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-07-21 19:50:56,358 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-07-21 19:50:56,358 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-07-21 19:50:56,358 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-07-21 19:50:56,358 INFO L264 CegarLoopResult]: At program point L382(lines 375 415) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (<= ~pended~0 0) (<= ~MPR3~0 6)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 19:50:56,359 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-07-21 19:50:56,359 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-07-21 19:50:56,359 INFO L264 CegarLoopResult]: At program point L374(lines 367 416) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (<= ~pended~0 0) (<= ~MPR3~0 6)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 19:50:56,359 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-07-21 19:50:56,359 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-07-21 19:50:56,359 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-07-21 19:50:56,359 INFO L264 CegarLoopResult]: At program point L351(lines 350 365) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0) (<= ~pended~0 0) (<= 6 ~MPR3~0) (<= ~MPR3~0 6))) [2020-07-21 19:50:56,359 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-07-21 19:50:56,360 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-07-21 19:50:56,360 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-07-21 19:50:56,360 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-07-21 19:50:56,360 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-07-21 19:50:56,360 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (<= 0 main_~status~1) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (<= ~pended~0 0) (= ~SKIP1~0 ~s~0))) [2020-07-21 19:50:56,360 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-07-21 19:50:56,360 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 286 420) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (<= ~pended~0 0) (= ~SKIP1~0 ~s~0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 19:50:56,360 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-07-21 19:50:56,361 INFO L264 CegarLoopResult]: At program point L394(lines 385 412) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (<= ~pended~0 0) (<= ~MPR3~0 6)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 19:50:56,361 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-07-21 19:50:56,361 INFO L264 CegarLoopResult]: At program point L353(lines 352 365) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (<= 0 main_~status~1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 19:50:56,361 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-07-21 19:50:56,361 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-07-21 19:50:56,361 INFO L264 CegarLoopResult]: At program point L321(lines 295 419) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (<= ~pended~0 0) (<= ~MPR3~0 6)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 19:50:56,361 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-07-21 19:50:56,362 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-07-21 19:50:56,362 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-07-21 19:50:56,362 INFO L264 CegarLoopResult]: At program point L330-2(lines 330 333) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0) (<= ~pended~0 0) (<= 6 ~MPR3~0) (<= ~MPR3~0 6))) [2020-07-21 19:50:56,362 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (<= |old(~pended~0)| 0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 19:50:56,362 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-07-21 19:50:56,362 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-07-21 19:50:56,363 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) .cse3 (not (= 0 ~compRegistered~0)) .cse4) (or .cse0 .cse1 .cse2 (= ~s~0 ~NP~0) .cse3 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))))) [2020-07-21 19:50:56,363 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-07-21 19:50:56,363 INFO L264 CegarLoopResult]: At program point L469(lines 442 497) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) .cse3 (not (= 0 ~compRegistered~0)) .cse4 (= ~SKIP1~0 ~s~0)) (let ((.cse5 (= ~MPR1~0 ~s~0))) (or .cse0 (and .cse5 (= ~setEventCalled~0 1) (= 259 IofCallDriver_~returnVal2~0)) .cse1 .cse2 (and (<= IofCallDriver_~returnVal2~0 0) .cse5) .cse3 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0)))))) [2020-07-21 19:50:56,363 INFO L264 CegarLoopResult]: At program point L457(lines 456 471) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) .cse3 (not (= 0 ~compRegistered~0)) .cse4 (= ~SKIP1~0 ~s~0)))) [2020-07-21 19:50:56,363 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-07-21 19:50:56,363 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-07-21 19:50:56,363 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-21 19:50:56,364 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) .cse3 (not (= 0 ~compRegistered~0)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (and (= ~s~0 ~NP~0) (= ~setEventCalled~0 1)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))))) [2020-07-21 19:50:56,364 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 435 498) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 (= ~s~0 ~NP~0) .cse3 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))) (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) .cse3 (not (= 0 ~compRegistered~0)) .cse4 (= ~SKIP1~0 ~s~0)))) [2020-07-21 19:50:56,364 INFO L264 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) .cse3 (not (= 0 ~compRegistered~0)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))))) [2020-07-21 19:50:56,364 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-07-21 19:50:56,364 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-07-21 19:50:56,364 INFO L264 CegarLoopResult]: At program point L450(lines 449 472) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) .cse3 (not (= 0 ~compRegistered~0)) .cse4 (= ~SKIP1~0 ~s~0)) (or .cse0 .cse1 .cse2 .cse3 (= ~MPR1~0 ~s~0) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))))) [2020-07-21 19:50:56,365 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-07-21 19:50:56,365 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-07-21 19:50:56,365 INFO L264 CegarLoopResult]: At program point L455(lines 454 471) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) .cse3 (not (= 0 ~compRegistered~0)) .cse4 (= ~SKIP1~0 ~s~0)) (or .cse0 .cse1 .cse2 .cse3 (= ~MPR1~0 ~s~0) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))))) [2020-07-21 19:50:56,365 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-07-21 19:50:56,365 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-07-21 19:50:56,365 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-21 19:50:56,366 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-07-21 19:50:56,366 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 421 434) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-21 19:50:56,366 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-07-21 19:50:56,366 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 19:50:56,366 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 19:50:56,366 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 19:50:56,366 INFO L264 CegarLoopResult]: At program point L541(line 541) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= 5 ~MPR1~0))) (.cse5 (not (<= ~NP~0 1))) (.cse6 (not (<= 6 ~MPR3~0))) (.cse7 (not (<= 1 ~compRegistered~0)))) (and (or (not (= 1 |old(~setEventCalled~0)|)) (not (= ~MPR3~0 |old(~s~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7))) [2020-07-21 19:50:56,367 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-07-21 19:50:56,367 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-07-21 19:50:56,367 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-07-21 19:50:56,367 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-07-21 19:50:56,367 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-07-21 19:50:56,367 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-07-21 19:50:56,367 INFO L264 CegarLoopResult]: At program point L534(lines 526 545) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= 5 ~MPR1~0))) (.cse5 (not (<= ~NP~0 1))) (.cse6 (not (<= 6 ~MPR3~0))) (.cse7 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 (and (<= ~s~0 ~NP~0) (<= |old(~s~0)| ~s~0)) .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7) (or (not (= 1 |old(~setEventCalled~0)|)) (not (= ~MPR3~0 |old(~s~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-07-21 19:50:56,368 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-07-21 19:50:56,368 INFO L264 CegarLoopResult]: At program point L551(lines 550 560) the Hoare annotation is: (let ((.cse9 (<= ~NP~0 1))) (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= 5 ~MPR1~0))) (.cse5 (not .cse9)) (.cse6 (not (<= 6 ~MPR3~0))) (.cse7 (and .cse9 (= ~s~0 ~NP~0))) (.cse8 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7 .cse8) (or (not (= 1 |old(~setEventCalled~0)|)) (not (= ~MPR3~0 |old(~s~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8)))) [2020-07-21 19:50:56,368 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 521 562) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= 5 ~MPR1~0))) (.cse5 (not (<= ~NP~0 1))) (.cse6 (not (<= 6 ~MPR3~0))) (.cse7 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 .cse1 .cse2 (= ~s~0 ~NP~0) .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7) (or (not (= 1 |old(~setEventCalled~0)|)) (not (= ~MPR3~0 |old(~s~0)|)) .cse0 .cse1 .cse2 (and (= ~MPR3~0 ~s~0) (= ~setEventCalled~0 1)) .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-07-21 19:50:56,368 INFO L264 CegarLoopResult]: At program point L549(lines 548 560) the Hoare annotation is: (let ((.cse9 (<= ~NP~0 1))) (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= 5 ~MPR1~0))) (.cse5 (not .cse9)) (.cse6 (not (<= 6 ~MPR3~0))) (.cse7 (and .cse9 (= ~s~0 ~NP~0))) (.cse8 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7 .cse8) (or (not (= 1 |old(~setEventCalled~0)|)) (not (= ~MPR3~0 |old(~s~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8)))) [2020-07-21 19:50:56,369 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-21 19:50:56,369 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-07-21 19:50:56,369 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 499 512) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (= ~s~0 ~NP~0) (not (<= 7 ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-21 19:50:56,369 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-07-21 19:50:56,369 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-07-21 19:50:56,369 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 19:50:56,369 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (<= ~pended~0 0) (= ~SKIP1~0 ~s~0)) [2020-07-21 19:50:56,370 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 19:50:56,370 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 19:50:56,370 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (let ((.cse0 (<= 1 ~compRegistered~0))) (or (not (<= ~MPR3~0 6)) (and (<= 259 KbFilter_PnP_~status~0) (= ~MPR3~0 ~s~0) (= ~setEventCalled~0 1) .cse0) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|)) (and (= ~s~0 ~NP~0) .cse0))) [2020-07-21 19:50:56,370 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-07-21 19:50:56,370 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-07-21 19:50:56,370 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-07-21 19:50:56,370 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|)) (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0))) [2020-07-21 19:50:56,371 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,371 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,371 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-07-21 19:50:56,371 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-07-21 19:50:56,371 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-07-21 19:50:56,371 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,372 INFO L264 CegarLoopResult]: At program point L185(lines 185 186) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= 5 ~MPR1~0))) (.cse5 (not (= ~NP~0 |old(~s~0)|))) (.cse6 (not (<= ~NP~0 1))) (.cse7 (not (<= 6 ~MPR3~0))) (.cse8 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0)) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0))))) [2020-07-21 19:50:56,372 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-07-21 19:50:56,372 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-07-21 19:50:56,372 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-07-21 19:50:56,372 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-07-21 19:50:56,372 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-07-21 19:50:56,372 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-07-21 19:50:56,373 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-07-21 19:50:56,373 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-07-21 19:50:56,373 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-07-21 19:50:56,373 INFO L264 CegarLoopResult]: At program point L104(lines 103 281) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,373 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-07-21 19:50:56,373 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-07-21 19:50:56,373 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 73 285) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= 5 ~MPR1~0))) (.cse5 (not (= ~NP~0 |old(~s~0)|))) (.cse6 (not (<= ~NP~0 1))) (.cse7 (not (<= 6 ~MPR3~0))) (.cse8 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0)) (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) .cse5 .cse6 .cse7 .cse8))) [2020-07-21 19:50:56,374 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,374 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-07-21 19:50:56,374 INFO L264 CegarLoopResult]: At program point L163(lines 109 279) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,374 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-07-21 19:50:56,374 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-07-21 19:50:56,374 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-07-21 19:50:56,374 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-07-21 19:50:56,375 INFO L264 CegarLoopResult]: At program point L255(lines 255 256) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,375 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-07-21 19:50:56,375 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-07-21 19:50:56,375 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-07-21 19:50:56,375 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-07-21 19:50:56,375 INFO L264 CegarLoopResult]: At program point L107(lines 106 280) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,375 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-07-21 19:50:56,376 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-07-21 19:50:56,376 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-07-21 19:50:56,376 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-07-21 19:50:56,376 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-07-21 19:50:56,376 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,376 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-21 19:50:56,376 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-07-21 19:50:56,376 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-07-21 19:50:56,377 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-07-21 19:50:56,377 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-07-21 19:50:56,377 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-07-21 19:50:56,377 INFO L264 CegarLoopResult]: At program point L224(lines 224 225) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,377 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-07-21 19:50:56,377 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= ~pended~0 0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 19:50:56,377 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-07-21 19:50:56,377 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-07-21 19:50:56,378 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-07-21 19:50:56,378 INFO L264 CegarLoopResult]: At program point L101(lines 100 282) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= 7 ~IPC~0))) (.cse4 (not (<= 5 ~MPR1~0))) (.cse5 (not (= ~NP~0 |old(~s~0)|))) (.cse6 (not (<= ~NP~0 1))) (.cse7 (not (<= 6 ~MPR3~0))) (.cse8 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0)) (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) .cse5 .cse6 .cse7 .cse8))) [2020-07-21 19:50:56,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 07:50:56 BoogieIcfgContainer [2020-07-21 19:50:56,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 19:50:56,423 INFO L168 Benchmark]: Toolchain (without parser) took 14684.38 ms. Allocated memory was 137.9 MB in the beginning and 339.2 MB in the end (delta: 201.3 MB). Free memory was 101.2 MB in the beginning and 94.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 214.2 MB. Max. memory is 7.1 GB. [2020-07-21 19:50:56,424 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 19:50:56,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.37 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 177.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-21 19:50:56,425 INFO L168 Benchmark]: Boogie Preprocessor took 54.86 ms. Allocated memory is still 201.9 MB. Free memory was 177.2 MB in the beginning and 175.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-07-21 19:50:56,426 INFO L168 Benchmark]: RCFGBuilder took 822.53 ms. Allocated memory is still 201.9 MB. Free memory was 175.2 MB in the beginning and 129.3 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2020-07-21 19:50:56,426 INFO L168 Benchmark]: TraceAbstraction took 13240.85 ms. Allocated memory was 201.9 MB in the beginning and 339.2 MB in the end (delta: 137.4 MB). Free memory was 129.3 MB in the beginning and 94.7 MB in the end (delta: 34.6 MB). Peak memory consumption was 178.3 MB. Max. memory is 7.1 GB. [2020-07-21 19:50:56,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 553.37 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 177.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.86 ms. Allocated memory is still 201.9 MB. Free memory was 177.2 MB in the beginning and 175.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 822.53 ms. Allocated memory is still 201.9 MB. Free memory was 175.2 MB in the beginning and 129.3 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13240.85 ms. Allocated memory was 201.9 MB in the beginning and 339.2 MB in the end (delta: 137.4 MB). Free memory was 129.3 MB in the beginning and 94.7 MB in the end (delta: 34.6 MB). Peak memory consumption was 178.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || ((((3 <= SKIP1 && NP <= 1) && 7 <= IPC) && pended <= 0) && MPR3 <= 6)) || !(\old(SKIP1) == \old(s))) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || ((((3 <= SKIP1 && NP <= 1) && 7 <= IPC) && pended <= 0) && MPR3 <= 6)) || !(\old(SKIP1) == \old(s))) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || 0 <= status) || !(\old(SKIP1) == \old(s))) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || (s == NP && 0 == compRegistered)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || (s == NP && 0 == compRegistered)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(SKIP1 == \old(s))) || !(7 <= IPC)) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) && (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || MPR1 == s) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(1 <= compRegistered)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((((((((!(MPR3 <= 6) || (s <= NP && \old(s) <= s)) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(1 <= compRegistered)) && (((((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(MPR3 <= 6)) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || !(NP <= 1)) || !(6 <= MPR3)) || !(1 <= compRegistered)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(0 == \old(compRegistered))) || !(\old(myStatus) + 1073741637 <= 0)) || myStatus + 1073741637 <= 0) && (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || (s == NP && 0 == compRegistered)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(0 == \old(compRegistered))) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || (MPR1 == s && setEventCalled == 1)) || !(1 <= compRegistered)) && (((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(SKIP1 == \old(s))) || !(7 <= IPC)) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || (NP <= 1 && s == NP)) || !(1 <= compRegistered)) && ((((((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(MPR3 <= 6)) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || !(NP <= 1)) || !(6 <= MPR3)) || (NP <= 1 && s == NP)) || !(1 <= compRegistered)) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(SKIP1 == \old(s))) || !(7 <= IPC)) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) && ((((((((((!(MPR3 <= 6) || ((MPR1 == s && setEventCalled == 1) && 259 == returnVal2)) || !(3 <= SKIP1)) || !(pended <= 0)) || (returnVal2 <= 0 && MPR1 == s)) || !(7 <= IPC)) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(1 <= compRegistered)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || (NP <= 1 && s == NP)) || !(1 <= compRegistered)) && ((((((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(MPR3 <= 6)) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || !(NP <= 1)) || !(6 <= MPR3)) || (NP <= 1 && s == NP)) || !(1 <= compRegistered)) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || ((((3 <= SKIP1 && NP <= 1) && 7 <= IPC) && pended <= 0) && MPR3 <= 6)) || !(\old(SKIP1) == \old(s))) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || !(5 <= MPR1)) || (s == NP && 0 == compRegistered)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(SKIP1 == \old(s))) || !(7 <= IPC)) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) && (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(pended <= 0)) || !(7 <= IPC)) || MPR1 == s) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(1 <= compRegistered)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || (((((((((3 <= SKIP1 && NP <= 1) && 7 <= IPC) && s == NP) && 0 <= status) && 5 <= MPR1) && 0 == compRegistered) && pended <= 0) && 6 <= MPR3) && MPR3 <= 6) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (((((!(\old(pended) <= 0) || !(\old(s) == \old(NP))) || ((((3 <= SKIP1 && NP <= 1) && 7 <= IPC) && pended <= 0) && MPR3 <= 6)) || !(\old(SKIP1) == \old(s))) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.3s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2266 SDtfs, 1170 SDslu, 2017 SDs, 0 SdLazy, 608 SolverSat, 124 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 834 GetRequests, 795 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 114 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 274 PreInvPairs, 334 NumberOfFragments, 2546 HoareAnnotationTreeSize, 274 FomulaSimplifications, 542 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 53 FomulaSimplificationsInter, 3615 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 846 NumberOfCodeBlocks, 621 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 829 ConstructedInterpolants, 0 QuantifiedInterpolants, 120296 SizeOfPredicates, 21 NumberOfNonLiveVariables, 7214 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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...