/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:34:08,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:34:08,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:34:08,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 22:34:08,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:34:08,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:34:08,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:34:08,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:34:08,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:34:08,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:34:08,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:34:08,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:34:08,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:34:08,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:34:08,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:34:08,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:34:08,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:34:08,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:34:08,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:34:08,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:34:08,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:34:08,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:34:08,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:34:08,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:34:08,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 22:34:08,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 22:34:08,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 22:34:08,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 22:34:08,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 22:34:08,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-21 22:34:08,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:34:08,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:34:08,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:34:08,632 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 22:34:08,647 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:34:08,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:34:08,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:34:08,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:34:08,649 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:34:08,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:34:08,649 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:34:08,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:34:08,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:34:08,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:34:08,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:34:08,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:34:08,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:34:08,651 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:34:08,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:34:08,651 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:34:08,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:34:08,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:34:08,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:34:08,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:34:08,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:34:08,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:34:08,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:34:08,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:34:08,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:34:08,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:34:08,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:08,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:34:08,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:34:08,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:34:08,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:34:08,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:34:08,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:34:08,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:34:08,974 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:34:08,976 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-21 22:34:09,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be61c0a9/8f42ef2b751a47ef962f1ecb04435864/FLAG385ff1760 [2020-07-21 22:34:09,582 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:34:09,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-21 22:34:09,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be61c0a9/8f42ef2b751a47ef962f1ecb04435864/FLAG385ff1760 [2020-07-21 22:34:09,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be61c0a9/8f42ef2b751a47ef962f1ecb04435864 [2020-07-21 22:34:09,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:34:09,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:34:09,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:34:09,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:34:09,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:34:09,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:34:09" (1/1) ... [2020-07-21 22:34:09,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33761369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:09, skipping insertion in model container [2020-07-21 22:34:09,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:34:09" (1/1) ... [2020-07-21 22:34:09,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:34:10,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:34:10,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:34:10,260 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:34:10,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:34:10,447 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:34:10,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:10 WrapperNode [2020-07-21 22:34:10,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:34:10,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:34:10,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:34:10,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:34:10,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:10" (1/1) ... [2020-07-21 22:34:10,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:10" (1/1) ... [2020-07-21 22:34:10,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:10" (1/1) ... [2020-07-21 22:34:10,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:10" (1/1) ... [2020-07-21 22:34:10,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:10" (1/1) ... [2020-07-21 22:34:10,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:10" (1/1) ... [2020-07-21 22:34:10,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:10" (1/1) ... [2020-07-21 22:34:10,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:34:10,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:34:10,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:34:10,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:34:10,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:10" (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 22:34:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:34:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:34:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-07-21 22:34:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-07-21 22:34:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-07-21 22:34:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:34:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-07-21 22:34:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-07-21 22:34:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-07-21 22:34:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-07-21 22:34:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-07-21 22:34:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-07-21 22:34:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-07-21 22:34:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:34:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-21 22:34:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:34:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-21 22:34:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-07-21 22:34:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-07-21 22:34:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-07-21 22:34:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-07-21 22:34:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-07-21 22:34:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-07-21 22:34:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-07-21 22:34:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-07-21 22:34:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-07-21 22:34:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:34:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-07-21 22:34:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:34:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:34:10,830 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 22:34:10,945 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-07-21 22:34:10,945 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-07-21 22:34:10,947 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 22:34:10,991 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-07-21 22:34:10,991 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-07-21 22:34:11,008 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 22:34:11,055 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-07-21 22:34:11,056 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-07-21 22:34:11,077 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 22:34:11,289 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-07-21 22:34:11,290 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-07-21 22:34:11,309 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:34:11,309 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 22:34:11,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:34:11 BoogieIcfgContainer [2020-07-21 22:34:11,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:34:11,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:34:11,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:34:11,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:34:11,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:34:09" (1/3) ... [2020-07-21 22:34:11,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a696b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:34:11, skipping insertion in model container [2020-07-21 22:34:11,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:10" (2/3) ... [2020-07-21 22:34:11,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a696b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:34:11, skipping insertion in model container [2020-07-21 22:34:11,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:34:11" (3/3) ... [2020-07-21 22:34:11,327 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-07-21 22:34:11,338 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:34:11,354 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:34:11,371 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:34:11,399 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:34:11,399 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:34:11,399 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:34:11,400 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:34:11,400 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:34:11,400 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:34:11,400 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:34:11,401 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:34:11,424 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-21 22:34:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-21 22:34:11,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:11,433 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 22:34:11,434 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:11,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:11,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-07-21 22:34:11,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:11,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414012090] [2020-07-21 22:34:11,452 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:11,616 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:34:11,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:11,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 22:34:11,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:11,679 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 22:34:11,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:11,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414012090] [2020-07-21 22:34:11,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:11,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:11,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003280426] [2020-07-21 22:34:11,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:11,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:11,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:11,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:11,706 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-07-21 22:34:11,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:11,820 INFO L93 Difference]: Finished difference Result 286 states and 438 transitions. [2020-07-21 22:34:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:11,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-21 22:34:11,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:11,848 INFO L225 Difference]: With dead ends: 286 [2020-07-21 22:34:11,848 INFO L226 Difference]: Without dead ends: 140 [2020-07-21 22:34:11,861 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 22:34:11,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-21 22:34:11,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-07-21 22:34:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-21 22:34:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2020-07-21 22:34:11,941 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 20 [2020-07-21 22:34:11,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:11,942 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2020-07-21 22:34:11,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:11,942 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2020-07-21 22:34:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-21 22:34:11,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:11,943 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 22:34:12,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:12,157 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:12,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:12,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-07-21 22:34:12,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:12,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349033173] [2020-07-21 22:34:12,159 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:12,293 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:12,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:12,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:34:12,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:12,320 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 22:34:12,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:12,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349033173] [2020-07-21 22:34:12,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:12,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:12,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804572541] [2020-07-21 22:34:12,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:12,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:12,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:12,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:12,325 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 3 states. [2020-07-21 22:34:12,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:12,457 INFO L93 Difference]: Finished difference Result 258 states and 346 transitions. [2020-07-21 22:34:12,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:12,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-21 22:34:12,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:12,462 INFO L225 Difference]: With dead ends: 258 [2020-07-21 22:34:12,462 INFO L226 Difference]: Without dead ends: 202 [2020-07-21 22:34:12,464 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 22:34:12,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-21 22:34:12,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 189. [2020-07-21 22:34:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-21 22:34:12,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 252 transitions. [2020-07-21 22:34:12,503 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 252 transitions. Word has length 26 [2020-07-21 22:34:12,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:12,506 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 252 transitions. [2020-07-21 22:34:12,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 252 transitions. [2020-07-21 22:34:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-21 22:34:12,507 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:12,508 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 22:34:12,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:12,722 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:12,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:12,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-07-21 22:34:12,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:12,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338005462] [2020-07-21 22:34:12,725 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:12,856 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:12,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:12,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:34:12,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:12,873 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 22:34:12,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:12,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338005462] [2020-07-21 22:34:12,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:12,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:12,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301846787] [2020-07-21 22:34:12,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:12,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:12,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:12,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:12,876 INFO L87 Difference]: Start difference. First operand 189 states and 252 transitions. Second operand 3 states. [2020-07-21 22:34:12,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:12,934 INFO L93 Difference]: Finished difference Result 310 states and 406 transitions. [2020-07-21 22:34:12,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:12,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-21 22:34:12,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:12,940 INFO L225 Difference]: With dead ends: 310 [2020-07-21 22:34:12,940 INFO L226 Difference]: Without dead ends: 248 [2020-07-21 22:34:12,942 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 22:34:12,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-07-21 22:34:12,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 211. [2020-07-21 22:34:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-21 22:34:12,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 282 transitions. [2020-07-21 22:34:12,983 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 282 transitions. Word has length 27 [2020-07-21 22:34:12,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:12,984 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 282 transitions. [2020-07-21 22:34:12,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2020-07-21 22:34:12,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-21 22:34:12,986 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:12,986 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 22:34:13,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:13,201 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:13,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:13,202 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-07-21 22:34:13,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:13,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [581021440] [2020-07-21 22:34:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:13,341 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:13,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:13,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:34:13,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:13,364 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 22:34:13,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:13,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [581021440] [2020-07-21 22:34:13,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:13,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:13,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326369572] [2020-07-21 22:34:13,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:13,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:13,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:13,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:13,368 INFO L87 Difference]: Start difference. First operand 211 states and 282 transitions. Second operand 3 states. [2020-07-21 22:34:13,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:13,453 INFO L93 Difference]: Finished difference Result 214 states and 284 transitions. [2020-07-21 22:34:13,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:13,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-21 22:34:13,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:13,456 INFO L225 Difference]: With dead ends: 214 [2020-07-21 22:34:13,456 INFO L226 Difference]: Without dead ends: 211 [2020-07-21 22:34:13,457 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 22:34:13,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-21 22:34:13,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2020-07-21 22:34:13,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-21 22:34:13,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 281 transitions. [2020-07-21 22:34:13,474 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 281 transitions. Word has length 37 [2020-07-21 22:34:13,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:13,475 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 281 transitions. [2020-07-21 22:34:13,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:13,475 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 281 transitions. [2020-07-21 22:34:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-21 22:34:13,478 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:13,478 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 22:34:13,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:13,692 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:13,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:13,692 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-07-21 22:34:13,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:13,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529127522] [2020-07-21 22:34:13,693 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:13,815 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:34:13,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:13,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 22:34:13,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:13,835 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 22:34:13,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:13,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529127522] [2020-07-21 22:34:13,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:13,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:13,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626743432] [2020-07-21 22:34:13,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:13,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:13,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:13,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:13,838 INFO L87 Difference]: Start difference. First operand 211 states and 281 transitions. Second operand 3 states. [2020-07-21 22:34:13,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:13,867 INFO L93 Difference]: Finished difference Result 268 states and 349 transitions. [2020-07-21 22:34:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:13,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-21 22:34:13,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:13,869 INFO L225 Difference]: With dead ends: 268 [2020-07-21 22:34:13,870 INFO L226 Difference]: Without dead ends: 202 [2020-07-21 22:34:13,871 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 22:34:13,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-21 22:34:13,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 184. [2020-07-21 22:34:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-21 22:34:13,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 243 transitions. [2020-07-21 22:34:13,883 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 243 transitions. Word has length 45 [2020-07-21 22:34:13,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:13,884 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 243 transitions. [2020-07-21 22:34:13,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:13,884 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 243 transitions. [2020-07-21 22:34:13,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 22:34:13,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:13,887 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 22:34:14,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:14,100 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:14,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:14,101 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-07-21 22:34:14,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:14,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818279952] [2020-07-21 22:34:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:14,220 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:14,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:14,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 22:34:14,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:14,242 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 22:34:14,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:14,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818279952] [2020-07-21 22:34:14,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:14,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:14,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631095116] [2020-07-21 22:34:14,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:14,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:14,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:14,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:14,245 INFO L87 Difference]: Start difference. First operand 184 states and 243 transitions. Second operand 3 states. [2020-07-21 22:34:14,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:14,299 INFO L93 Difference]: Finished difference Result 243 states and 318 transitions. [2020-07-21 22:34:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:14,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 22:34:14,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:14,302 INFO L225 Difference]: With dead ends: 243 [2020-07-21 22:34:14,302 INFO L226 Difference]: Without dead ends: 182 [2020-07-21 22:34:14,303 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 22:34:14,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-21 22:34:14,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-07-21 22:34:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-07-21 22:34:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 239 transitions. [2020-07-21 22:34:14,315 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 239 transitions. Word has length 51 [2020-07-21 22:34:14,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:14,315 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 239 transitions. [2020-07-21 22:34:14,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2020-07-21 22:34:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-21 22:34:14,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:14,318 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 22:34:14,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:14,533 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:14,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:14,533 INFO L82 PathProgramCache]: Analyzing trace with hash 572107035, now seen corresponding path program 1 times [2020-07-21 22:34:14,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:14,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399078147] [2020-07-21 22:34:14,535 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:14,657 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:34:14,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:14,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 22:34:14,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:14,729 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 22:34:14,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:14,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399078147] [2020-07-21 22:34:14,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:14,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 22:34:14,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177833645] [2020-07-21 22:34:14,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:34:14,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:14,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:34:14,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:34:14,732 INFO L87 Difference]: Start difference. First operand 182 states and 239 transitions. Second operand 6 states. [2020-07-21 22:34:15,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:15,060 INFO L93 Difference]: Finished difference Result 217 states and 283 transitions. [2020-07-21 22:34:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:34:15,060 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-21 22:34:15,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:15,065 INFO L225 Difference]: With dead ends: 217 [2020-07-21 22:34:15,066 INFO L226 Difference]: Without dead ends: 193 [2020-07-21 22:34:15,066 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 22:34:15,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-21 22:34:15,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 188. [2020-07-21 22:34:15,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-07-21 22:34:15,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2020-07-21 22:34:15,084 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 50 [2020-07-21 22:34:15,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:15,084 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2020-07-21 22:34:15,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:34:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2020-07-21 22:34:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 22:34:15,089 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:15,089 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 22:34:15,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:15,303 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:15,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:15,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1461171158, now seen corresponding path program 1 times [2020-07-21 22:34:15,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:15,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037440063] [2020-07-21 22:34:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:15,419 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:15,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:15,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 22:34:15,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:15,440 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 22:34:15,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:15,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037440063] [2020-07-21 22:34:15,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:15,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:15,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200595009] [2020-07-21 22:34:15,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:15,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:15,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:15,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:15,443 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 3 states. [2020-07-21 22:34:15,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:15,466 INFO L93 Difference]: Finished difference Result 197 states and 256 transitions. [2020-07-21 22:34:15,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:15,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 22:34:15,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:15,468 INFO L225 Difference]: With dead ends: 197 [2020-07-21 22:34:15,469 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 22:34:15,470 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 22:34:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 22:34:15,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 22:34:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 22:34:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2020-07-21 22:34:15,477 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 52 [2020-07-21 22:34:15,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:15,478 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2020-07-21 22:34:15,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2020-07-21 22:34:15,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 22:34:15,479 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:15,479 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 22:34:15,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:15,694 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:15,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:15,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1516710605, now seen corresponding path program 1 times [2020-07-21 22:34:15,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:15,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716196523] [2020-07-21 22:34:15,696 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:15,849 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:15,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:15,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 22:34:15,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:15,867 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 22:34:15,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:15,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [716196523] [2020-07-21 22:34:15,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:15,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:15,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905733266] [2020-07-21 22:34:15,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:15,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:15,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:15,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:15,869 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand 3 states. [2020-07-21 22:34:15,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:15,907 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2020-07-21 22:34:15,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:15,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-07-21 22:34:15,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:15,909 INFO L225 Difference]: With dead ends: 107 [2020-07-21 22:34:15,909 INFO L226 Difference]: Without dead ends: 102 [2020-07-21 22:34:15,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 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 22:34:15,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-21 22:34:15,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 93. [2020-07-21 22:34:15,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-21 22:34:15,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2020-07-21 22:34:15,917 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 59 [2020-07-21 22:34:15,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:15,917 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2020-07-21 22:34:15,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:15,917 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2020-07-21 22:34:15,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 22:34:15,918 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:15,918 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 22:34:16,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:16,132 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:16,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:16,133 INFO L82 PathProgramCache]: Analyzing trace with hash -367309916, now seen corresponding path program 1 times [2020-07-21 22:34:16,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:16,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164985263] [2020-07-21 22:34:16,135 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:16,250 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:16,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:16,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:34:16,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:16,293 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 22:34:16,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:16,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164985263] [2020-07-21 22:34:16,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:16,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 22:34:16,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162876985] [2020-07-21 22:34:16,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 22:34:16,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:16,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 22:34:16,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 22:34:16,296 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 4 states. [2020-07-21 22:34:16,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:16,358 INFO L93 Difference]: Finished difference Result 123 states and 138 transitions. [2020-07-21 22:34:16,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 22:34:16,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-21 22:34:16,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:16,359 INFO L225 Difference]: With dead ends: 123 [2020-07-21 22:34:16,360 INFO L226 Difference]: Without dead ends: 93 [2020-07-21 22:34:16,360 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 22:34:16,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-07-21 22:34:16,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-07-21 22:34:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-21 22:34:16,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2020-07-21 22:34:16,368 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 59 [2020-07-21 22:34:16,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:16,368 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2020-07-21 22:34:16,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 22:34:16,369 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2020-07-21 22:34:16,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 22:34:16,370 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:16,370 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 22:34:16,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:16,585 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:16,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:16,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1135324297, now seen corresponding path program 1 times [2020-07-21 22:34:16,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:16,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858384988] [2020-07-21 22:34:16,586 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:16,702 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:16,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:16,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 22:34:16,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:16,722 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 22:34:16,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:16,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858384988] [2020-07-21 22:34:16,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:16,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:16,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155755165] [2020-07-21 22:34:16,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:16,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:16,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:16,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:16,728 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 3 states. [2020-07-21 22:34:16,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:16,746 INFO L93 Difference]: Finished difference Result 129 states and 144 transitions. [2020-07-21 22:34:16,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:16,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-21 22:34:16,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:16,749 INFO L225 Difference]: With dead ends: 129 [2020-07-21 22:34:16,749 INFO L226 Difference]: Without dead ends: 99 [2020-07-21 22:34:16,749 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 22:34:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-21 22:34:16,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2020-07-21 22:34:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-21 22:34:16,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2020-07-21 22:34:16,758 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 61 [2020-07-21 22:34:16,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:16,759 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2020-07-21 22:34:16,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2020-07-21 22:34:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 22:34:16,761 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:16,761 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 22:34:16,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:16,976 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:16,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:16,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1685130741, now seen corresponding path program 1 times [2020-07-21 22:34:16,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:16,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345834818] [2020-07-21 22:34:16,977 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:17,107 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:17,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:17,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 22:34:17,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:17,166 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 22:34:17,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:17,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345834818] [2020-07-21 22:34:17,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:17,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 22:34:17,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514521610] [2020-07-21 22:34:17,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:34:17,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:17,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:34:17,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:34:17,169 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 6 states. [2020-07-21 22:34:17,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:17,208 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions. [2020-07-21 22:34:17,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:34:17,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 22:34:17,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:17,210 INFO L225 Difference]: With dead ends: 110 [2020-07-21 22:34:17,210 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 22:34:17,211 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 22:34:17,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 22:34:17,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 22:34:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 22:34:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2020-07-21 22:34:17,218 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 62 [2020-07-21 22:34:17,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:17,218 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2020-07-21 22:34:17,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:34:17,219 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2020-07-21 22:34:17,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 22:34:17,219 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:17,220 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 22:34:17,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:17,421 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:17,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:17,422 INFO L82 PathProgramCache]: Analyzing trace with hash 475938380, now seen corresponding path program 1 times [2020-07-21 22:34:17,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:17,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896105791] [2020-07-21 22:34:17,423 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:17,552 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:17,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:17,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 22:34:17,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:17,597 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 22:34:17,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:17,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896105791] [2020-07-21 22:34:17,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:17,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 22:34:17,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843076717] [2020-07-21 22:34:17,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:34:17,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:17,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:34:17,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:34:17,601 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 6 states. [2020-07-21 22:34:17,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:17,637 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2020-07-21 22:34:17,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:34:17,637 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 22:34:17,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:17,639 INFO L225 Difference]: With dead ends: 98 [2020-07-21 22:34:17,639 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 22:34:17,639 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 22:34:17,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 22:34:17,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 22:34:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 22:34:17,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 97 transitions. [2020-07-21 22:34:17,649 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 97 transitions. Word has length 62 [2020-07-21 22:34:17,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:17,649 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 97 transitions. [2020-07-21 22:34:17,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:34:17,649 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2020-07-21 22:34:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 22:34:17,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:17,654 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 22:34:17,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:17,868 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:17,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:17,869 INFO L82 PathProgramCache]: Analyzing trace with hash 359859562, now seen corresponding path program 1 times [2020-07-21 22:34:17,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:17,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181459590] [2020-07-21 22:34:17,870 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:17,983 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:17,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:17,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:34:17,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:18,007 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 22:34:18,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:18,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181459590] [2020-07-21 22:34:18,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:18,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:18,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623672794] [2020-07-21 22:34:18,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:18,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:18,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:18,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:18,010 INFO L87 Difference]: Start difference. First operand 91 states and 97 transitions. Second operand 3 states. [2020-07-21 22:34:18,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:18,022 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2020-07-21 22:34:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:18,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-21 22:34:18,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:18,024 INFO L225 Difference]: With dead ends: 107 [2020-07-21 22:34:18,024 INFO L226 Difference]: Without dead ends: 76 [2020-07-21 22:34:18,025 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 22:34:18,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-21 22:34:18,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-21 22:34:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-21 22:34:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-07-21 22:34:18,030 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 63 [2020-07-21 22:34:18,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:18,031 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-07-21 22:34:18,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-07-21 22:34:18,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 22:34:18,032 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:18,032 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 22:34:18,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:18,233 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:18,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:18,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1228040100, now seen corresponding path program 1 times [2020-07-21 22:34:18,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:18,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628256920] [2020-07-21 22:34:18,235 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:18,345 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:18,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:18,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:34:18,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:18,371 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 22:34:18,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:18,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628256920] [2020-07-21 22:34:18,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:18,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:34:18,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849723528] [2020-07-21 22:34:18,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:34:18,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:18,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:34:18,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:34:18,373 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 3 states. [2020-07-21 22:34:18,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:18,411 INFO L93 Difference]: Finished difference Result 141 states and 146 transitions. [2020-07-21 22:34:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:34:18,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-21 22:34:18,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:18,413 INFO L225 Difference]: With dead ends: 141 [2020-07-21 22:34:18,414 INFO L226 Difference]: Without dead ends: 134 [2020-07-21 22:34:18,417 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 22:34:18,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-21 22:34:18,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2020-07-21 22:34:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-21 22:34:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2020-07-21 22:34:18,431 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2020-07-21 22:34:18,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:18,432 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2020-07-21 22:34:18,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:34:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2020-07-21 22:34:18,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 22:34:18,435 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:18,435 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 22:34:18,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:18,649 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:18,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:18,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1291919834, now seen corresponding path program 1 times [2020-07-21 22:34:18,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:18,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [374574305] [2020-07-21 22:34:18,651 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:18,763 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:18,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:18,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 22:34:18,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:18,797 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 22:34:18,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:18,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [374574305] [2020-07-21 22:34:18,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:18,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 22:34:18,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146577462] [2020-07-21 22:34:18,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:34:18,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:18,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:34:18,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:34:18,800 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 6 states. [2020-07-21 22:34:18,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:18,834 INFO L93 Difference]: Finished difference Result 144 states and 149 transitions. [2020-07-21 22:34:18,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:34:18,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-07-21 22:34:18,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:18,836 INFO L225 Difference]: With dead ends: 144 [2020-07-21 22:34:18,836 INFO L226 Difference]: Without dead ends: 133 [2020-07-21 22:34:18,837 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 22:34:18,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-21 22:34:18,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-21 22:34:18,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-21 22:34:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 136 transitions. [2020-07-21 22:34:18,847 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 136 transitions. Word has length 63 [2020-07-21 22:34:18,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:18,847 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 136 transitions. [2020-07-21 22:34:18,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:34:18,847 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2020-07-21 22:34:18,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-21 22:34:18,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:34:18,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:34:19,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:19,063 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:34:19,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:34:19,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1154361885, now seen corresponding path program 1 times [2020-07-21 22:34:19,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:34:19,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008417968] [2020-07-21 22:34:19,065 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:34:19,188 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:34:19,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:34:19,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:34:19,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:34:19,222 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 22:34:19,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:34:19,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008417968] [2020-07-21 22:34:19,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:34:19,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 22:34:19,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604102878] [2020-07-21 22:34:19,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 22:34:19,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:34:19,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 22:34:19,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 22:34:19,225 INFO L87 Difference]: Start difference. First operand 133 states and 136 transitions. Second operand 5 states. [2020-07-21 22:34:19,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:34:19,294 INFO L93 Difference]: Finished difference Result 133 states and 136 transitions. [2020-07-21 22:34:19,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 22:34:19,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-07-21 22:34:19,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:34:19,295 INFO L225 Difference]: With dead ends: 133 [2020-07-21 22:34:19,295 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:34:19,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:34:19,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:34:19,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:34:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:34:19,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:34:19,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-07-21 22:34:19,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:34:19,297 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:34:19,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 22:34:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:34:19,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:34:19,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:34:19,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:34:20,247 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 22:34:20,582 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-07-21 22:34:20,777 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2020-07-21 22:34:21,385 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 22:34:21,656 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-07-21 22:34:22,709 INFO L271 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: true [2020-07-21 22:34:22,710 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-07-21 22:34:22,710 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-07-21 22:34:22,710 INFO L271 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: true [2020-07-21 22:34:22,710 INFO L271 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: true [2020-07-21 22:34:22,710 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-07-21 22:34:22,711 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-07-21 22:34:22,711 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-07-21 22:34:22,711 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-07-21 22:34:22,711 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 35 48) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (not (= 1 ~pended~0)) (= ~s~0 |old(~s~0)|) (= 0 ~compRegistered~0)) (not (<= ~NP~0 1)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,711 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-07-21 22:34:22,712 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-07-21 22:34:22,712 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 49 70) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (not (= 1 ~pended~0)) (= ~s~0 |old(~s~0)|) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,712 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-07-21 22:34:22,712 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-07-21 22:34:22,713 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-07-21 22:34:22,713 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-07-21 22:34:22,713 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-07-21 22:34:22,713 INFO L264 CegarLoopResult]: At program point L382(lines 375 415) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (not (= 1 ~pended~0))) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,713 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-07-21 22:34:22,713 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-07-21 22:34:22,714 INFO L264 CegarLoopResult]: At program point L374(lines 367 416) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (not (= 1 ~pended~0))) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,714 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-07-21 22:34:22,714 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-07-21 22:34:22,714 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-07-21 22:34:22,714 INFO L264 CegarLoopResult]: At program point L351(lines 350 365) the Hoare annotation is: (or (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (not (= 1 ~pended~0)) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,714 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-07-21 22:34:22,715 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-07-21 22:34:22,715 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-07-21 22:34:22,715 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-07-21 22:34:22,715 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-07-21 22:34:22,715 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (<= 0 main_~status~1) (not (= 1 ~pended~0)) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,716 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-07-21 22:34:22,716 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 286 420) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (not (= 1 ~pended~0)) (= ~s~0 |old(~s~0)|) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,716 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-07-21 22:34:22,716 INFO L264 CegarLoopResult]: At program point L394(lines 385 412) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (not (= 1 ~pended~0))) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,716 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-07-21 22:34:22,716 INFO L264 CegarLoopResult]: At program point L353(lines 352 365) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (<= 0 main_~status~1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,716 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-07-21 22:34:22,716 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-07-21 22:34:22,718 INFO L264 CegarLoopResult]: At program point L321(lines 295 419) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (not (= 1 ~pended~0))) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,718 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-07-21 22:34:22,718 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-07-21 22:34:22,719 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-07-21 22:34:22,719 INFO L264 CegarLoopResult]: At program point L330-2(lines 330 333) the Hoare annotation is: (or (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (not (= 1 ~pended~0)) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,719 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|))) [2020-07-21 22:34:22,719 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-07-21 22:34:22,720 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-07-21 22:34:22,720 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (= 1 ~pended~0)) (.cse2 (not (<= ~NP~0 1)))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) .cse1 (not (= 0 ~compRegistered~0)) .cse2) (or .cse0 (not (<= 5 ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) .cse2 (not (<= 1 ~compRegistered~0))))) [2020-07-21 22:34:22,720 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-07-21 22:34:22,720 INFO L264 CegarLoopResult]: At program point L469(lines 442 497) the Hoare annotation is: (let ((.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (= 1 ~pended~0)) (.cse3 (not (<= ~NP~0 1)))) (and (let ((.cse0 (= ~MPR1~0 ~s~0))) (or (and .cse0 (= ~setEventCalled~0 1) (= 259 IofCallDriver_~returnVal2~0)) .cse1 (and (<= IofCallDriver_~returnVal2~0 0) .cse0) (not (<= 5 ~MPR1~0)) .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 (not (<= 1 ~compRegistered~0)))) (or .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) .cse2 (not (= 0 ~compRegistered~0)) .cse3 (= ~SKIP1~0 ~s~0)))) [2020-07-21 22:34:22,721 INFO L264 CegarLoopResult]: At program point L457(lines 456 471) the Hoare annotation is: (let ((.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (= 1 ~pended~0)) (.cse2 (not (<= ~NP~0 1)))) (and (or .cse0 (not (<= 5 ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) .cse1 (not (= 0 ~compRegistered~0)) .cse2 (= ~SKIP1~0 ~s~0)))) [2020-07-21 22:34:22,721 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-07-21 22:34:22,721 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-07-21 22:34:22,721 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-21 22:34:22,721 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (= 1 ~pended~0)) (.cse2 (not (<= ~NP~0 1)))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) .cse1 (not (= 0 ~compRegistered~0)) .cse2) (or .cse0 (not (<= 5 ~MPR1~0)) .cse1 (and (= ~s~0 |old(~s~0)|) (= ~setEventCalled~0 1)) (not (= ~NP~0 |old(~s~0)|)) .cse2 (not (<= 1 ~compRegistered~0))))) [2020-07-21 22:34:22,721 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 435 498) the Hoare annotation is: (let ((.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (= 1 ~pended~0)) (.cse2 (not (<= ~NP~0 1)))) (and (or .cse0 (not (<= 5 ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) .cse2 (not (<= 1 ~compRegistered~0))) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) .cse1 (not (= 0 ~compRegistered~0)) .cse2 (= ~SKIP1~0 ~s~0)))) [2020-07-21 22:34:22,722 INFO L264 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (= 1 ~pended~0)) (.cse2 (not (<= ~NP~0 1)))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) .cse1 (not (= 0 ~compRegistered~0)) .cse2) (or .cse0 (not (<= 5 ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (not (<= 1 ~compRegistered~0))))) [2020-07-21 22:34:22,722 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-07-21 22:34:22,722 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-07-21 22:34:22,722 INFO L264 CegarLoopResult]: At program point L450(lines 449 472) the Hoare annotation is: (let ((.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (= 1 ~pended~0)) (.cse2 (not (<= ~NP~0 1)))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) .cse1 (not (= 0 ~compRegistered~0)) .cse2 (= ~SKIP1~0 ~s~0)) (or .cse0 (= ~MPR1~0 ~s~0) (not (<= 5 ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (not (<= 1 ~compRegistered~0))))) [2020-07-21 22:34:22,722 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-07-21 22:34:22,722 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-07-21 22:34:22,722 INFO L264 CegarLoopResult]: At program point L455(lines 454 471) the Hoare annotation is: (let ((.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (= 1 ~pended~0)) (.cse2 (not (<= ~NP~0 1)))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) .cse1 (not (= 0 ~compRegistered~0)) .cse2 (= ~SKIP1~0 ~s~0)) (or .cse0 (= ~MPR1~0 ~s~0) (not (<= 5 ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (not (<= 1 ~compRegistered~0))))) [2020-07-21 22:34:22,723 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-07-21 22:34:22,723 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-07-21 22:34:22,723 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-21 22:34:22,723 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-07-21 22:34:22,723 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 421 434) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (= ~s~0 |old(~s~0)|) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-21 22:34:22,724 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-07-21 22:34:22,724 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:34:22,724 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~s~0 |old(~s~0)|) [2020-07-21 22:34:22,724 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:34:22,724 INFO L264 CegarLoopResult]: At program point L541(line 541) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 5 ~MPR1~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1))) (.cse5 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5))) [2020-07-21 22:34:22,724 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-07-21 22:34:22,724 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-07-21 22:34:22,724 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-07-21 22:34:22,724 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-07-21 22:34:22,725 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-07-21 22:34:22,725 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-07-21 22:34:22,726 INFO L264 CegarLoopResult]: At program point L534(lines 526 545) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 5 ~MPR1~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1))) (.cse5 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 .cse1 (= ~s~0 ~NP~0) .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5) (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-07-21 22:34:22,726 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-07-21 22:34:22,726 INFO L264 CegarLoopResult]: At program point L551(lines 550 560) the Hoare annotation is: (let ((.cse7 (<= ~NP~0 1))) (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 5 ~MPR1~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not .cse7)) (.cse5 (and .cse7 (= ~s~0 ~NP~0))) (.cse6 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5 .cse6)))) [2020-07-21 22:34:22,726 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 521 562) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (= ~setEventCalled~0 1)) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (= 1 ~pended~0)) (.cse5 (not (<= ~NP~0 1))) (.cse6 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) .cse1 (and (= ~MPR3~0 ~s~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 (and (= ~s~0 ~NP~0) .cse2) .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6))) [2020-07-21 22:34:22,727 INFO L264 CegarLoopResult]: At program point L549(lines 548 560) the Hoare annotation is: (let ((.cse7 (<= ~NP~0 1))) (let ((.cse0 (not (= 1 |old(~setEventCalled~0)|))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 5 ~MPR1~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not .cse7)) (.cse5 (and .cse7 (= ~s~0 ~NP~0))) (.cse6 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 (not (= ~MPR3~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5 .cse6)))) [2020-07-21 22:34:22,727 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-21 22:34:22,727 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-07-21 22:34:22,727 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 499 512) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (= ~s~0 ~NP~0) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-21 22:34:22,727 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-07-21 22:34:22,727 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-07-21 22:34:22,727 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:34:22,728 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (not (= 1 ~pended~0)) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) [2020-07-21 22:34:22,728 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:34:22,728 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:34:22,728 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (let ((.cse10 (<= ~NP~0 1)) (.cse3 (<= 259 KbFilter_PnP_~status~0)) (.cse6 (= 1 ~pended~0)) (.cse11 (<= 5 ~MPR1~0)) (.cse4 (= ~setEventCalled~0 1)) (.cse5 (<= 1 ~compRegistered~0))) (let ((.cse0 (and .cse10 (= ~s~0 ~NP~0) .cse3 (not .cse6) .cse11 .cse4 (<= |old(~s~0)| ~NP~0) .cse5)) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not .cse11)) (.cse7 (not (= ~NP~0 |old(~s~0)|))) (.cse8 (not .cse10)) (.cse9 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 (and (= 259 KbFilter_PnP_~__cil_tmp23~0) .cse3 (= ~MPR3~0 ~s~0) .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse6 .cse7 .cse8 .cse9 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0))))) [2020-07-21 22:34:22,728 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-07-21 22:34:22,728 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-07-21 22:34:22,728 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-07-21 22:34:22,729 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|)) (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0))) [2020-07-21 22:34:22,729 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,729 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,729 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-07-21 22:34:22,729 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-07-21 22:34:22,729 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-07-21 22:34:22,729 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,730 INFO L264 CegarLoopResult]: At program point L185(lines 185 186) the Hoare annotation is: (let ((.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (not (<= 5 ~MPR1~0))) (.cse2 (= 1 ~pended~0)) (.cse3 (not (= ~NP~0 |old(~s~0)|))) (.cse4 (not (<= ~NP~0 1))) (.cse5 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0)) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (and (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0))))) [2020-07-21 22:34:22,730 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-07-21 22:34:22,730 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-07-21 22:34:22,730 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-07-21 22:34:22,730 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-07-21 22:34:22,730 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-07-21 22:34:22,731 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-07-21 22:34:22,731 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-07-21 22:34:22,731 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-07-21 22:34:22,731 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-07-21 22:34:22,731 INFO L264 CegarLoopResult]: At program point L104(lines 103 281) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,731 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-07-21 22:34:22,732 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-07-21 22:34:22,732 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 73 285) the Hoare annotation is: (let ((.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (not (<= 5 ~MPR1~0))) (.cse2 (= 1 ~pended~0)) (.cse3 (not (= ~NP~0 |old(~s~0)|))) (.cse4 (not (<= ~NP~0 1))) (.cse5 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (= ~s~0 |old(~s~0)|) (= 0 ~compRegistered~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0)))) [2020-07-21 22:34:22,732 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,732 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-07-21 22:34:22,732 INFO L264 CegarLoopResult]: At program point L163(lines 109 279) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,732 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-07-21 22:34:22,732 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-07-21 22:34:22,733 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-07-21 22:34:22,733 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-07-21 22:34:22,733 INFO L264 CegarLoopResult]: At program point L255(lines 255 256) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,733 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-07-21 22:34:22,733 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-07-21 22:34:22,733 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-07-21 22:34:22,733 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-07-21 22:34:22,733 INFO L264 CegarLoopResult]: At program point L107(lines 106 280) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,734 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-07-21 22:34:22,734 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-07-21 22:34:22,734 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-07-21 22:34:22,734 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-07-21 22:34:22,734 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-07-21 22:34:22,734 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,734 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-21 22:34:22,734 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-07-21 22:34:22,734 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-07-21 22:34:22,735 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-07-21 22:34:22,735 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-07-21 22:34:22,735 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-07-21 22:34:22,735 INFO L264 CegarLoopResult]: At program point L224(lines 224 225) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,735 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-07-21 22:34:22,735 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= 3 ~SKIP1~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-21 22:34:22,735 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-07-21 22:34:22,735 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-07-21 22:34:22,736 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-07-21 22:34:22,736 INFO L264 CegarLoopResult]: At program point L101(lines 100 282) the Hoare annotation is: (let ((.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (not (<= 5 ~MPR1~0))) (.cse2 (= 1 ~pended~0)) (.cse3 (not (= ~NP~0 |old(~s~0)|))) (.cse4 (not (<= ~NP~0 1))) (.cse5 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (= ~s~0 |old(~s~0)|) (= 0 ~compRegistered~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0)))) [2020-07-21 22:34:22,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:34:22 BoogieIcfgContainer [2020-07-21 22:34:22,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:34:22,801 INFO L168 Benchmark]: Toolchain (without parser) took 12848.30 ms. Allocated memory was 145.2 MB in the beginning and 324.5 MB in the end (delta: 179.3 MB). Free memory was 102.7 MB in the beginning and 224.1 MB in the end (delta: -121.4 MB). Peak memory consumption was 191.5 MB. Max. memory is 7.1 GB. [2020-07-21 22:34:22,801 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 145.2 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 22:34:22,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.41 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 179.7 MB in the end (delta: -77.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-07-21 22:34:22,803 INFO L168 Benchmark]: Boogie Preprocessor took 73.00 ms. Allocated memory is still 202.9 MB. Free memory was 179.7 MB in the beginning and 177.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-07-21 22:34:22,803 INFO L168 Benchmark]: RCFGBuilder took 793.46 ms. Allocated memory is still 202.9 MB. Free memory was 177.5 MB in the beginning and 131.9 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB. [2020-07-21 22:34:22,804 INFO L168 Benchmark]: TraceAbstraction took 11480.11 ms. Allocated memory was 202.9 MB in the beginning and 324.5 MB in the end (delta: 121.6 MB). Free memory was 131.2 MB in the beginning and 224.1 MB in the end (delta: -92.9 MB). Peak memory consumption was 162.4 MB. Max. memory is 7.1 GB. [2020-07-21 22:34:22,806 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 145.2 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 492.41 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 179.7 MB in the end (delta: -77.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.00 ms. Allocated memory is still 202.9 MB. Free memory was 179.7 MB in the beginning and 177.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 793.46 ms. Allocated memory is still 202.9 MB. Free memory was 177.5 MB in the beginning and 131.9 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11480.11 ms. Allocated memory was 202.9 MB in the beginning and 324.5 MB in the end (delta: 121.6 MB). Free memory was 131.2 MB in the beginning and 224.1 MB in the end (delta: -92.9 MB). Peak memory consumption was 162.4 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(s) == \old(NP)) || ((3 <= SKIP1 && NP <= 1) && !(1 == pended))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(NP)) || ((3 <= SKIP1 && NP <= 1) && !(1 == pended))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(NP)) || 0 <= status) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: (((((!(3 <= SKIP1) || !(5 <= MPR1)) || 1 == pended) || (s == NP && 0 == compRegistered)) || !(NP == \old(s))) || !(NP <= 1)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((!(3 <= SKIP1) || !(5 <= MPR1)) || 1 == pended) || (s == NP && 0 == compRegistered)) || !(NP == \old(s))) || !(NP <= 1)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((!(3 <= SKIP1) || !(SKIP1 == \old(s))) || 1 == pended) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) && ((((((!(3 <= SKIP1) || MPR1 == s) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((((((!(1 == \old(setEventCalled)) || !(3 <= SKIP1)) || s == NP) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) && ((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(3 <= SKIP1)) || !(5 <= MPR1)) || 1 == pended) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((!(3 <= SKIP1) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || (s == \old(s) && 0 == compRegistered)) || !(NP <= 1)) || !(0 == \old(compRegistered))) && (((((((!(3 <= SKIP1) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(0 == \old(compRegistered))) || !(\old(myStatus) + 1073741637 <= 0)) || myStatus + 1073741637 <= 0) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: ((((((!(3 <= SKIP1) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || (MPR1 == s && setEventCalled == 1)) || !(1 <= compRegistered)) && (((((!(3 <= SKIP1) || !(SKIP1 == \old(s))) || 1 == pended) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(3 <= SKIP1)) || !(5 <= MPR1)) || 1 == pended) || !(NP <= 1)) || (NP <= 1 && s == NP)) || !(1 <= compRegistered)) && (((((((!(1 == \old(setEventCalled)) || !(3 <= SKIP1)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || (NP <= 1 && s == NP)) || !(1 <= compRegistered)) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((((((MPR1 == s && setEventCalled == 1) && 259 == returnVal2) || !(3 <= SKIP1)) || (returnVal2 <= 0 && MPR1 == s)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) && (((((!(3 <= SKIP1) || !(SKIP1 == \old(s))) || 1 == pended) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(3 <= SKIP1)) || !(5 <= MPR1)) || 1 == pended) || !(NP <= 1)) || (NP <= 1 && s == NP)) || !(1 <= compRegistered)) && (((((((!(1 == \old(setEventCalled)) || !(3 <= SKIP1)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || (NP <= 1 && s == NP)) || !(1 <= compRegistered)) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(NP)) || ((3 <= SKIP1 && NP <= 1) && !(1 == pended))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((!(3 <= SKIP1) || !(5 <= MPR1)) || 1 == pended) || (s == NP && 0 == compRegistered)) || !(NP == \old(s))) || !(NP <= 1)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (((((!(3 <= SKIP1) || !(SKIP1 == \old(s))) || 1 == pended) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) && ((((((!(3 <= SKIP1) || MPR1 == s) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((((((((((3 <= SKIP1 && NP <= 1) && s == NP) && 0 <= status) && !(1 == pended)) && 5 <= MPR1) && 0 == compRegistered) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(NP)) || ((3 <= SKIP1 && NP <= 1) && !(1 == pended))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.1s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2255 SDtfs, 956 SDslu, 2286 SDs, 0 SdLazy, 520 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 865 GetRequests, 823 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=211occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 86 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 282 PreInvPairs, 349 NumberOfFragments, 2006 HoareAnnotationTreeSize, 282 FomulaSimplifications, 284 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 53 FomulaSimplificationsInter, 2627 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 874 NumberOfCodeBlocks, 849 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 857 ConstructedInterpolants, 0 QuantifiedInterpolants, 97350 SizeOfPredicates, 14 NumberOfNonLiveVariables, 9886 ConjunctsInSsa, 86 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...