/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 01:03:46,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 01:03:46,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 01:03:46,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 01:03:46,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 01:03:46,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 01:03:46,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 01:03:46,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 01:03:46,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 01:03:46,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 01:03:46,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 01:03:46,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 01:03:46,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:03:46,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:03:46,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:03:46,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:03:46,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:03:46,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:03:46,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:03:46,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:03:46,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:03:46,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:03:46,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:03:46,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:03:46,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 01:03:46,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 01:03:46,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 01:03:46,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 01:03:46,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 01:03:46,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 01:03:46,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 01:03:46,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 01:03:46,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 01:03:46,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 01:03:46,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 01:03:46,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 01:03:46,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 01:03:46,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 01:03:46,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 01:03:46,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 01:03:46,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 01:03:46,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 01:03:46,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:03:46,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:03:46,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:03:46,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:03:46,629 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:03:46,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:03:46,630 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:03:46,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:03:46,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:03:46,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:03:46,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:03:46,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:03:46,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:03:46,631 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:03:46,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:03:46,632 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:03:46,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:03:46,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:03:46,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:03:46,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:03:46,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:03:46,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:03:46,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:03:46,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:03:46,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:03:46,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:03:46,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:46,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:03:46,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:03:46,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 01:03:47,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:03:47,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:03:47,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:03:47,038 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:03:47,039 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:03:47,044 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-21 01:03:47,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21efa61c5/f6f2c7af1bf643f190273a3e50b4ae58/FLAGcc0adbb90 [2020-07-21 01:03:47,992 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:03:47,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-21 01:03:48,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21efa61c5/f6f2c7af1bf643f190273a3e50b4ae58/FLAGcc0adbb90 [2020-07-21 01:03:48,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21efa61c5/f6f2c7af1bf643f190273a3e50b4ae58 [2020-07-21 01:03:48,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:03:48,210 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:03:48,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:03:48,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:03:48,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:03:48,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:03:48" (1/1) ... [2020-07-21 01:03:48,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5957ebad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48, skipping insertion in model container [2020-07-21 01:03:48,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:03:48" (1/1) ... [2020-07-21 01:03:48,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:03:48,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:03:48,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:03:48,645 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:03:48,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:03:48,879 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:03:48,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48 WrapperNode [2020-07-21 01:03:48,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:03:48,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:03:48,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:03:48,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:03:48,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48" (1/1) ... [2020-07-21 01:03:48,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48" (1/1) ... [2020-07-21 01:03:48,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48" (1/1) ... [2020-07-21 01:03:48,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48" (1/1) ... [2020-07-21 01:03:48,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48" (1/1) ... [2020-07-21 01:03:48,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48" (1/1) ... [2020-07-21 01:03:48,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48" (1/1) ... [2020-07-21 01:03:48,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:03:48,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:03:48,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:03:48,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:03:48,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:03:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:03:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:03:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-07-21 01:03:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-07-21 01:03:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-07-21 01:03:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:03:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-07-21 01:03:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-07-21 01:03:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-07-21 01:03:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-07-21 01:03:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-07-21 01:03:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-07-21 01:03:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-07-21 01:03:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-21 01:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 01:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-21 01:03:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-07-21 01:03:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-07-21 01:03:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-07-21 01:03:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-07-21 01:03:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-07-21 01:03:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-07-21 01:03:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-07-21 01:03:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-07-21 01:03:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-07-21 01:03:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:03:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-07-21 01:03:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:03:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:03:49,437 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 01:03:49,583 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-07-21 01:03:49,584 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-07-21 01:03:49,586 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 01:03:49,646 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-07-21 01:03:49,646 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-07-21 01:03:49,667 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 01:03:49,695 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-07-21 01:03:49,696 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-07-21 01:03:49,733 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 01:03:49,943 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-07-21 01:03:49,944 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-07-21 01:03:49,969 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:03:49,970 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 01:03:49,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:03:49 BoogieIcfgContainer [2020-07-21 01:03:49,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:03:49,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:03:49,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:03:49,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:03:49,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:03:48" (1/3) ... [2020-07-21 01:03:49,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342426d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:03:49, skipping insertion in model container [2020-07-21 01:03:49,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:03:48" (2/3) ... [2020-07-21 01:03:49,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342426d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:03:49, skipping insertion in model container [2020-07-21 01:03:49,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:03:49" (3/3) ... [2020-07-21 01:03:49,995 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-07-21 01:03:50,008 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:03:50,027 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:03:50,058 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:03:50,100 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:03:50,100 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:03:50,100 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:03:50,101 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:03:50,101 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:03:50,101 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:03:50,102 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:03:50,102 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:03:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-21 01:03:50,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-21 01:03:50,152 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:50,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:03:50,155 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:50,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:50,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-07-21 01:03:50,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:50,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952024386] [2020-07-21 01:03:50,183 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:50,392 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:03:50,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:50,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 01:03:50,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:50,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:50,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952024386] [2020-07-21 01:03:50,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:50,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:50,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160047832] [2020-07-21 01:03:50,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:50,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:50,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:50,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:50,528 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-07-21 01:03:50,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:50,660 INFO L93 Difference]: Finished difference Result 286 states and 438 transitions. [2020-07-21 01:03:50,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:50,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-21 01:03:50,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:50,686 INFO L225 Difference]: With dead ends: 286 [2020-07-21 01:03:50,686 INFO L226 Difference]: Without dead ends: 140 [2020-07-21 01:03:50,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:50,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-21 01:03:50,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-07-21 01:03:50,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-21 01:03:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2020-07-21 01:03:50,789 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 20 [2020-07-21 01:03:50,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:50,792 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2020-07-21 01:03:50,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:50,792 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2020-07-21 01:03:50,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-21 01:03:50,794 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:50,794 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 01:03:50,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:50,999 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:51,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:51,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-07-21 01:03:51,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:51,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354841856] [2020-07-21 01:03:51,002 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:51,201 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:51,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:51,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:03:51,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:51,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:51,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354841856] [2020-07-21 01:03:51,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:51,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:51,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460349941] [2020-07-21 01:03:51,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:51,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:51,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:51,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:51,239 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 3 states. [2020-07-21 01:03:51,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:51,551 INFO L93 Difference]: Finished difference Result 258 states and 346 transitions. [2020-07-21 01:03:51,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:51,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-21 01:03:51,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:51,556 INFO L225 Difference]: With dead ends: 258 [2020-07-21 01:03:51,557 INFO L226 Difference]: Without dead ends: 202 [2020-07-21 01:03:51,560 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 01:03:51,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-21 01:03:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 189. [2020-07-21 01:03:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-21 01:03:51,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 252 transitions. [2020-07-21 01:03:51,599 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 252 transitions. Word has length 26 [2020-07-21 01:03:51,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:51,600 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 252 transitions. [2020-07-21 01:03:51,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:51,600 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 252 transitions. [2020-07-21 01:03:51,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-21 01:03:51,601 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:51,602 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 01:03:51,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:51,817 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:51,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:51,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-07-21 01:03:51,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:51,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343195384] [2020-07-21 01:03:51,819 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:51,982 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:51,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:51,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:03:51,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:52,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:52,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343195384] [2020-07-21 01:03:52,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:52,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:52,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807088468] [2020-07-21 01:03:52,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:52,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:52,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:52,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:52,008 INFO L87 Difference]: Start difference. First operand 189 states and 252 transitions. Second operand 3 states. [2020-07-21 01:03:52,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:52,059 INFO L93 Difference]: Finished difference Result 310 states and 406 transitions. [2020-07-21 01:03:52,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:52,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-21 01:03:52,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:52,073 INFO L225 Difference]: With dead ends: 310 [2020-07-21 01:03:52,073 INFO L226 Difference]: Without dead ends: 248 [2020-07-21 01:03:52,082 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 01:03:52,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-07-21 01:03:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 211. [2020-07-21 01:03:52,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-21 01:03:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 282 transitions. [2020-07-21 01:03:52,132 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 282 transitions. Word has length 27 [2020-07-21 01:03:52,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:52,132 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 282 transitions. [2020-07-21 01:03:52,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2020-07-21 01:03:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-21 01:03:52,135 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:52,135 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 01:03:52,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:52,345 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:52,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:52,346 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-07-21 01:03:52,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:52,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785018474] [2020-07-21 01:03:52,348 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:52,535 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:52,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:52,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:03:52,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:52,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:52,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785018474] [2020-07-21 01:03:52,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:52,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:52,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265804399] [2020-07-21 01:03:52,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:52,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:52,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:52,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:52,595 INFO L87 Difference]: Start difference. First operand 211 states and 282 transitions. Second operand 3 states. [2020-07-21 01:03:52,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:52,758 INFO L93 Difference]: Finished difference Result 214 states and 284 transitions. [2020-07-21 01:03:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:52,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-21 01:03:52,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:52,768 INFO L225 Difference]: With dead ends: 214 [2020-07-21 01:03:52,768 INFO L226 Difference]: Without dead ends: 211 [2020-07-21 01:03:52,770 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 01:03:52,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-21 01:03:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2020-07-21 01:03:52,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-21 01:03:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 281 transitions. [2020-07-21 01:03:52,828 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 281 transitions. Word has length 37 [2020-07-21 01:03:52,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:52,828 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 281 transitions. [2020-07-21 01:03:52,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:52,829 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 281 transitions. [2020-07-21 01:03:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-21 01:03:52,832 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:52,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:03:53,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:53,048 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:53,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:53,050 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-07-21 01:03:53,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:53,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545685022] [2020-07-21 01:03:53,051 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:53,221 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:03:53,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:53,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 01:03:53,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:53,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:53,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545685022] [2020-07-21 01:03:53,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:53,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:53,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468160477] [2020-07-21 01:03:53,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:53,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:53,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:53,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:53,301 INFO L87 Difference]: Start difference. First operand 211 states and 281 transitions. Second operand 3 states. [2020-07-21 01:03:53,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:53,347 INFO L93 Difference]: Finished difference Result 268 states and 349 transitions. [2020-07-21 01:03:53,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:53,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-21 01:03:53,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:53,351 INFO L225 Difference]: With dead ends: 268 [2020-07-21 01:03:53,351 INFO L226 Difference]: Without dead ends: 202 [2020-07-21 01:03:53,353 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 01:03:53,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-21 01:03:53,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 184. [2020-07-21 01:03:53,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-21 01:03:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 243 transitions. [2020-07-21 01:03:53,374 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 243 transitions. Word has length 45 [2020-07-21 01:03:53,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:53,375 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 243 transitions. [2020-07-21 01:03:53,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 243 transitions. [2020-07-21 01:03:53,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 01:03:53,378 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:53,378 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 01:03:53,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:53,593 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:53,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:53,594 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-07-21 01:03:53,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:53,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527289576] [2020-07-21 01:03:53,595 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:53,763 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:53,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:53,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 01:03:53,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:53,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:53,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527289576] [2020-07-21 01:03:53,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:53,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:53,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009692007] [2020-07-21 01:03:53,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:53,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:53,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:53,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:53,788 INFO L87 Difference]: Start difference. First operand 184 states and 243 transitions. Second operand 3 states. [2020-07-21 01:03:53,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:53,885 INFO L93 Difference]: Finished difference Result 243 states and 318 transitions. [2020-07-21 01:03:53,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:53,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 01:03:53,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:53,888 INFO L225 Difference]: With dead ends: 243 [2020-07-21 01:03:53,889 INFO L226 Difference]: Without dead ends: 182 [2020-07-21 01:03:53,890 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 01:03:53,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-21 01:03:53,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-07-21 01:03:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-07-21 01:03:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 239 transitions. [2020-07-21 01:03:53,910 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 239 transitions. Word has length 51 [2020-07-21 01:03:53,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:53,911 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 239 transitions. [2020-07-21 01:03:53,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2020-07-21 01:03:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-21 01:03:53,915 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:53,915 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 01:03:54,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:54,130 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:54,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:54,131 INFO L82 PathProgramCache]: Analyzing trace with hash 572107035, now seen corresponding path program 1 times [2020-07-21 01:03:54,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:54,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194400427] [2020-07-21 01:03:54,132 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:54,279 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:03:54,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:54,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 01:03:54,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:54,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:54,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194400427] [2020-07-21 01:03:54,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:54,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 01:03:54,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043642360] [2020-07-21 01:03:54,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:03:54,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:54,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:03:54,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:03:54,381 INFO L87 Difference]: Start difference. First operand 182 states and 239 transitions. Second operand 6 states. [2020-07-21 01:03:54,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:54,818 INFO L93 Difference]: Finished difference Result 217 states and 283 transitions. [2020-07-21 01:03:54,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 01:03:54,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-21 01:03:54,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:54,822 INFO L225 Difference]: With dead ends: 217 [2020-07-21 01:03:54,822 INFO L226 Difference]: Without dead ends: 193 [2020-07-21 01:03:54,823 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 01:03:54,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-21 01:03:54,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 188. [2020-07-21 01:03:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-07-21 01:03:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2020-07-21 01:03:54,842 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 50 [2020-07-21 01:03:54,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:54,843 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2020-07-21 01:03:54,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:03:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2020-07-21 01:03:54,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 01:03:54,846 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:54,846 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 01:03:55,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:55,061 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:55,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:55,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1461171158, now seen corresponding path program 1 times [2020-07-21 01:03:55,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:55,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7426627] [2020-07-21 01:03:55,064 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:55,206 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:55,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:55,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 01:03:55,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:55,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:55,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:55,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7426627] [2020-07-21 01:03:55,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:55,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:55,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085847382] [2020-07-21 01:03:55,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:55,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:55,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:55,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:55,240 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 3 states. [2020-07-21 01:03:55,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:55,273 INFO L93 Difference]: Finished difference Result 197 states and 256 transitions. [2020-07-21 01:03:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:55,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 01:03:55,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:55,276 INFO L225 Difference]: With dead ends: 197 [2020-07-21 01:03:55,276 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 01:03:55,277 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 01:03:55,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 01:03:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 01:03:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 01:03:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2020-07-21 01:03:55,288 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 52 [2020-07-21 01:03:55,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:55,288 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2020-07-21 01:03:55,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2020-07-21 01:03:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 01:03:55,290 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:55,290 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 01:03:55,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:55,506 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:55,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:55,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1516710605, now seen corresponding path program 1 times [2020-07-21 01:03:55,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:55,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258583567] [2020-07-21 01:03:55,509 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:55,654 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:55,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:55,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 01:03:55,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:55,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:55,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258583567] [2020-07-21 01:03:55,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:55,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:55,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947244650] [2020-07-21 01:03:55,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:55,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:55,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:55,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:55,686 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand 3 states. [2020-07-21 01:03:55,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:55,761 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2020-07-21 01:03:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:55,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-07-21 01:03:55,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:55,764 INFO L225 Difference]: With dead ends: 107 [2020-07-21 01:03:55,764 INFO L226 Difference]: Without dead ends: 102 [2020-07-21 01:03:55,765 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 01:03:55,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-21 01:03:55,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 93. [2020-07-21 01:03:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-21 01:03:55,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2020-07-21 01:03:55,775 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 59 [2020-07-21 01:03:55,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:55,776 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2020-07-21 01:03:55,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:55,776 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2020-07-21 01:03:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 01:03:55,777 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:55,777 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 01:03:55,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:55,991 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:55,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:55,992 INFO L82 PathProgramCache]: Analyzing trace with hash -367309916, now seen corresponding path program 1 times [2020-07-21 01:03:55,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:55,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592216486] [2020-07-21 01:03:55,994 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:56,126 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:56,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:56,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:03:56,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:56,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:56,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592216486] [2020-07-21 01:03:56,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:56,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 01:03:56,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682287011] [2020-07-21 01:03:56,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 01:03:56,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:56,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 01:03:56,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 01:03:56,185 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 4 states. [2020-07-21 01:03:56,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:56,287 INFO L93 Difference]: Finished difference Result 123 states and 138 transitions. [2020-07-21 01:03:56,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 01:03:56,288 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-21 01:03:56,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:56,290 INFO L225 Difference]: With dead ends: 123 [2020-07-21 01:03:56,290 INFO L226 Difference]: Without dead ends: 93 [2020-07-21 01:03:56,291 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 01:03:56,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-07-21 01:03:56,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-07-21 01:03:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-21 01:03:56,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2020-07-21 01:03:56,302 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 59 [2020-07-21 01:03:56,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:56,303 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2020-07-21 01:03:56,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 01:03:56,303 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2020-07-21 01:03:56,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 01:03:56,304 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:56,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:03:56,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:56,519 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:56,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:56,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1135324297, now seen corresponding path program 1 times [2020-07-21 01:03:56,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:56,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850249386] [2020-07-21 01:03:56,521 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:56,669 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:56,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:56,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 01:03:56,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:56,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:56,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850249386] [2020-07-21 01:03:56,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:56,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:56,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888287999] [2020-07-21 01:03:56,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:56,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:56,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:56,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:56,711 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 3 states. [2020-07-21 01:03:56,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:56,740 INFO L93 Difference]: Finished difference Result 129 states and 144 transitions. [2020-07-21 01:03:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:56,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-21 01:03:56,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:56,743 INFO L225 Difference]: With dead ends: 129 [2020-07-21 01:03:56,743 INFO L226 Difference]: Without dead ends: 99 [2020-07-21 01:03:56,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:56,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-21 01:03:56,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2020-07-21 01:03:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-21 01:03:56,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2020-07-21 01:03:56,756 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 61 [2020-07-21 01:03:56,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:56,757 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2020-07-21 01:03:56,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2020-07-21 01:03:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 01:03:56,759 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:56,759 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 01:03:56,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:56,974 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:56,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:56,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1685130741, now seen corresponding path program 1 times [2020-07-21 01:03:56,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:56,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [464950156] [2020-07-21 01:03:56,976 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:57,136 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:57,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:57,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 01:03:57,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:57,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:57,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:57,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [464950156] [2020-07-21 01:03:57,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:57,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 01:03:57,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896421912] [2020-07-21 01:03:57,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:03:57,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:57,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:03:57,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:03:57,215 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 6 states. [2020-07-21 01:03:57,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:57,293 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions. [2020-07-21 01:03:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:03:57,294 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 01:03:57,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:57,297 INFO L225 Difference]: With dead ends: 110 [2020-07-21 01:03:57,297 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 01:03:57,298 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 01:03:57,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 01:03:57,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 01:03:57,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 01:03:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2020-07-21 01:03:57,311 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 62 [2020-07-21 01:03:57,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:57,312 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2020-07-21 01:03:57,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:03:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2020-07-21 01:03:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 01:03:57,313 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:57,313 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 01:03:57,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:57,529 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:57,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:57,530 INFO L82 PathProgramCache]: Analyzing trace with hash 475938380, now seen corresponding path program 1 times [2020-07-21 01:03:57,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:57,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367840493] [2020-07-21 01:03:57,532 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:57,704 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:57,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:57,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 01:03:57,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:57,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:57,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367840493] [2020-07-21 01:03:57,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:57,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 01:03:57,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587366758] [2020-07-21 01:03:57,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:03:57,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:57,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:03:57,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:03:57,763 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 6 states. [2020-07-21 01:03:57,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:57,818 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2020-07-21 01:03:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:03:57,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 01:03:57,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:57,820 INFO L225 Difference]: With dead ends: 98 [2020-07-21 01:03:57,820 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 01:03:57,821 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 01:03:57,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 01:03:57,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 01:03:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 01:03:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 97 transitions. [2020-07-21 01:03:57,833 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 97 transitions. Word has length 62 [2020-07-21 01:03:57,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:57,833 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 97 transitions. [2020-07-21 01:03:57,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:03:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2020-07-21 01:03:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 01:03:57,843 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:57,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:03:58,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:58,059 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:58,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:58,060 INFO L82 PathProgramCache]: Analyzing trace with hash 359859562, now seen corresponding path program 1 times [2020-07-21 01:03:58,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:58,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183807260] [2020-07-21 01:03:58,061 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:58,213 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:58,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:58,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:03:58,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:58,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:58,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183807260] [2020-07-21 01:03:58,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:58,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:58,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738549395] [2020-07-21 01:03:58,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:58,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:58,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:58,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:58,250 INFO L87 Difference]: Start difference. First operand 91 states and 97 transitions. Second operand 3 states. [2020-07-21 01:03:58,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:58,278 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2020-07-21 01:03:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:58,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-21 01:03:58,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:58,280 INFO L225 Difference]: With dead ends: 107 [2020-07-21 01:03:58,280 INFO L226 Difference]: Without dead ends: 76 [2020-07-21 01:03:58,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:58,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-21 01:03:58,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-21 01:03:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-21 01:03:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-07-21 01:03:58,297 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 63 [2020-07-21 01:03:58,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:58,300 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-07-21 01:03:58,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-07-21 01:03:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 01:03:58,301 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:58,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:03:58,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:58,516 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:58,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:58,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1228040100, now seen corresponding path program 1 times [2020-07-21 01:03:58,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:58,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368208642] [2020-07-21 01:03:58,518 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:58,659 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:58,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:58,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:03:58,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:58,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:58,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:58,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368208642] [2020-07-21 01:03:58,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:58,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:03:58,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109200448] [2020-07-21 01:03:58,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:03:58,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:58,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:03:58,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:58,688 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 3 states. [2020-07-21 01:03:58,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:58,732 INFO L93 Difference]: Finished difference Result 141 states and 146 transitions. [2020-07-21 01:03:58,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:03:58,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-21 01:03:58,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:58,735 INFO L225 Difference]: With dead ends: 141 [2020-07-21 01:03:58,735 INFO L226 Difference]: Without dead ends: 134 [2020-07-21 01:03:58,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:03:58,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-21 01:03:58,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2020-07-21 01:03:58,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-21 01:03:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2020-07-21 01:03:58,757 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2020-07-21 01:03:58,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:58,758 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2020-07-21 01:03:58,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:03:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2020-07-21 01:03:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 01:03:58,762 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:58,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:03:58,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:58,977 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:58,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:58,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1291919834, now seen corresponding path program 1 times [2020-07-21 01:03:58,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:58,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694639207] [2020-07-21 01:03:58,979 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:59,126 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:59,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:59,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 01:03:59,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:59,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:59,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694639207] [2020-07-21 01:03:59,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:59,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 01:03:59,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176074440] [2020-07-21 01:03:59,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:03:59,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:59,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:03:59,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:03:59,198 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 6 states. [2020-07-21 01:03:59,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:59,251 INFO L93 Difference]: Finished difference Result 144 states and 149 transitions. [2020-07-21 01:03:59,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:03:59,253 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-07-21 01:03:59,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:59,255 INFO L225 Difference]: With dead ends: 144 [2020-07-21 01:03:59,255 INFO L226 Difference]: Without dead ends: 133 [2020-07-21 01:03:59,256 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 01:03:59,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-21 01:03:59,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-21 01:03:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-21 01:03:59,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 136 transitions. [2020-07-21 01:03:59,268 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 136 transitions. Word has length 63 [2020-07-21 01:03:59,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:59,268 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 136 transitions. [2020-07-21 01:03:59,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:03:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2020-07-21 01:03:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-21 01:03:59,270 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:03:59,270 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 01:03:59,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:03:59,484 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:03:59,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:03:59,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1154361885, now seen corresponding path program 1 times [2020-07-21 01:03:59,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:03:59,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127439702] [2020-07-21 01:03:59,486 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 01:03:59,636 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:03:59,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:03:59,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:03:59,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:03:59,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:03:59,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:03:59,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127439702] [2020-07-21 01:03:59,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:03:59,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 01:03:59,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422455873] [2020-07-21 01:03:59,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 01:03:59,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:03:59,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 01:03:59,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 01:03:59,677 INFO L87 Difference]: Start difference. First operand 133 states and 136 transitions. Second operand 5 states. [2020-07-21 01:03:59,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:03:59,795 INFO L93 Difference]: Finished difference Result 133 states and 136 transitions. [2020-07-21 01:03:59,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 01:03:59,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-07-21 01:03:59,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:03:59,797 INFO L225 Difference]: With dead ends: 133 [2020-07-21 01:03:59,797 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 01:03:59,799 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 01:03:59,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 01:03:59,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 01:03:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 01:03:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 01:03:59,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-07-21 01:03:59,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:03:59,801 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 01:03:59,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 01:03:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 01:03:59,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 01:04:00,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:04:00,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 01:04:00,792 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 01:04:00,921 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-07-21 01:04:01,188 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-07-21 01:04:01,402 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2020-07-21 01:04:01,600 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-07-21 01:04:01,971 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 01:04:02,096 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 01:04:02,487 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-07-21 01:04:02,617 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-07-21 01:04:02,811 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-07-21 01:04:03,489 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-07-21 01:04:03,697 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2020-07-21 01:04:03,733 INFO L271 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: true [2020-07-21 01:04:03,734 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-07-21 01:04:03,734 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-07-21 01:04:03,734 INFO L271 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: true [2020-07-21 01:04:03,734 INFO L271 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: true [2020-07-21 01:04:03,734 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-07-21 01:04:03,734 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-07-21 01:04:03,734 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-07-21 01:04:03,735 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-07-21 01:04:03,735 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 01:04:03,735 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-07-21 01:04:03,735 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-07-21 01:04:03,735 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 01:04:03,736 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-07-21 01:04:03,736 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-07-21 01:04:03,736 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-07-21 01:04:03,736 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-07-21 01:04:03,736 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-07-21 01:04:03,737 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 01:04:03,737 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-07-21 01:04:03,737 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-07-21 01:04:03,737 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 01:04:03,737 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-07-21 01:04:03,737 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-07-21 01:04:03,737 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-07-21 01:04:03,737 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 01:04:03,737 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-07-21 01:04:03,738 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-07-21 01:04:03,738 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-07-21 01:04:03,738 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-07-21 01:04:03,738 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-07-21 01:04:03,738 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 01:04:03,738 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-07-21 01:04:03,738 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 01:04:03,739 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-07-21 01:04:03,739 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 01:04:03,739 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-07-21 01:04:03,739 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 01:04:03,739 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-07-21 01:04:03,739 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-07-21 01:04:03,740 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 01:04:03,740 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-07-21 01:04:03,740 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-07-21 01:04:03,740 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-07-21 01:04:03,740 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 01:04:03,740 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 01:04:03,741 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-07-21 01:04:03,741 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-07-21 01:04:03,741 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 01:04:03,741 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-07-21 01:04:03,741 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 01:04:03,742 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 01:04:03,742 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-07-21 01:04:03,742 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-07-21 01:04:03,742 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-21 01:04:03,742 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 01:04:03,743 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 01:04:03,743 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 01:04:03,743 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-07-21 01:04:03,743 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-07-21 01:04:03,743 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 01:04:03,743 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-07-21 01:04:03,744 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-07-21 01:04:03,744 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 01:04:03,744 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-07-21 01:04:03,744 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-07-21 01:04:03,744 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 01:04:03,744 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-07-21 01:04:03,745 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 01:04:03,745 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-07-21 01:04:03,745 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:04:03,745 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~s~0 |old(~s~0)|) [2020-07-21 01:04:03,745 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:04:03,745 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 01:04:03,746 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-07-21 01:04:03,746 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-07-21 01:04:03,746 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-07-21 01:04:03,746 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-07-21 01:04:03,746 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-07-21 01:04:03,746 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-07-21 01:04:03,747 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 01:04:03,747 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-07-21 01:04:03,747 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 01:04:03,747 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 01:04:03,747 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 01:04:03,748 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 01:04:03,748 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-07-21 01:04:03,748 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 01:04:03,748 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-07-21 01:04:03,748 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-07-21 01:04:03,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:04:03,749 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (not (= 1 ~pended~0)) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) [2020-07-21 01:04:03,749 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 01:04:03,749 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:04:03,749 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 01:04:03,749 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-07-21 01:04:03,749 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-07-21 01:04:03,749 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-07-21 01:04:03,750 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 01:04:03,750 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 01:04:03,754 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 01:04:03,755 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-07-21 01:04:03,755 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-07-21 01:04:03,755 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-07-21 01:04:03,755 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 01:04:03,755 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 01:04:03,756 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-07-21 01:04:03,756 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-07-21 01:04:03,756 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-07-21 01:04:03,756 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-07-21 01:04:03,756 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-07-21 01:04:03,756 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-07-21 01:04:03,756 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-07-21 01:04:03,756 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-07-21 01:04:03,757 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-07-21 01:04:03,757 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 01:04:03,757 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-07-21 01:04:03,757 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-07-21 01:04:03,757 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 01:04:03,757 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 01:04:03,758 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-07-21 01:04:03,758 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 01:04:03,758 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-07-21 01:04:03,758 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-07-21 01:04:03,758 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-07-21 01:04:03,758 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-07-21 01:04:03,758 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 01:04:03,759 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-07-21 01:04:03,759 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-07-21 01:04:03,759 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-07-21 01:04:03,759 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-07-21 01:04:03,759 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 01:04:03,759 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-07-21 01:04:03,759 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-07-21 01:04:03,759 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-07-21 01:04:03,760 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-07-21 01:04:03,760 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-07-21 01:04:03,760 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 01:04:03,760 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-21 01:04:03,760 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-07-21 01:04:03,760 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-07-21 01:04:03,760 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-07-21 01:04:03,760 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-07-21 01:04:03,761 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-07-21 01:04:03,761 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 01:04:03,761 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-07-21 01:04:03,761 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 01:04:03,761 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-07-21 01:04:03,761 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-07-21 01:04:03,762 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-07-21 01:04:03,762 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 01:04:03,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:04:03 BoogieIcfgContainer [2020-07-21 01:04:03,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 01:04:03,855 INFO L168 Benchmark]: Toolchain (without parser) took 15645.65 ms. Allocated memory was 144.2 MB in the beginning and 347.1 MB in the end (delta: 202.9 MB). Free memory was 100.5 MB in the beginning and 122.4 MB in the end (delta: -21.9 MB). Peak memory consumption was 187.1 MB. Max. memory is 7.1 GB. [2020-07-21 01:04:03,856 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 144.2 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 01:04:03,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.44 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 100.1 MB in the beginning and 180.9 MB in the end (delta: -80.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-21 01:04:03,857 INFO L168 Benchmark]: Boogie Preprocessor took 84.41 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 178.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-07-21 01:04:03,857 INFO L168 Benchmark]: RCFGBuilder took 1012.53 ms. Allocated memory is still 202.9 MB. Free memory was 178.4 MB in the beginning and 132.9 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2020-07-21 01:04:03,858 INFO L168 Benchmark]: TraceAbstraction took 13867.69 ms. Allocated memory was 202.9 MB in the beginning and 347.1 MB in the end (delta: 144.2 MB). Free memory was 132.9 MB in the beginning and 122.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 160.8 MB. Max. memory is 7.1 GB. [2020-07-21 01:04:03,866 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 144.2 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.44 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 100.1 MB in the beginning and 180.9 MB in the end (delta: -80.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.41 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 178.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1012.53 ms. Allocated memory is still 202.9 MB. Free memory was 178.4 MB in the beginning and 132.9 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13867.69 ms. Allocated memory was 202.9 MB in the beginning and 347.1 MB in the end (delta: 144.2 MB). Free memory was 132.9 MB in the beginning and 122.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 160.8 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: 9.9s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2255 SDtfs, 956 SDslu, 2286 SDs, 0 SdLazy, 520 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 865 GetRequests, 823 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s 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: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 86 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 282 PreInvPairs, 349 NumberOfFragments, 2006 HoareAnnotationTreeSize, 282 FomulaSimplifications, 284 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 53 FomulaSimplificationsInter, 2627 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.8s 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...