/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 NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 16:14:52,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:14:52,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:14:52,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 16:14:52,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 16:14:52,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 16:14:52,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 16:14:52,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 16:14:52,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 16:14:52,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 16:14:52,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 16:14:52,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 16:14:52,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:14:52,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:14:52,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:14:52,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:14:52,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:14:52,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:14:52,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:14:52,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:14:52,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:14:52,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:14:52,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:14:52,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:14:52,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 16:14:52,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 16:14:52,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 16:14:52,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 16:14:52,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 16:14:52,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 16:14:52,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 16:14:53,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 16:14:53,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 16:14:53,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 16:14:53,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 16:14:53,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 16:14:53,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 16:14:53,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 16:14:53,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:14:53,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:14:53,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:14:53,010 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 16:14:53,040 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:14:53,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:14:53,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:14:53,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:14:53,045 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:14:53,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:14:53,046 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:14:53,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:14:53,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:14:53,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:14:53,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:14:53,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:14:53,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:14:53,048 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:14:53,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:14:53,048 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:14:53,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:14:53,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:14:53,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:14:53,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:14:53,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:14:53,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:14:53,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:14:53,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:14:53,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:14:53,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:14:53,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:53,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:14:53,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:14:53,054 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 -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 16:14:53,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:14:53,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:14:53,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:14:53,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:14:53,542 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:14:53,543 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-21 16:14:53,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28a0e2602/3c32675ec6914023b59abb68ff73cbe3/FLAGb1e8eda3b [2020-07-21 16:14:54,313 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:14:54,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-21 16:14:54,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28a0e2602/3c32675ec6914023b59abb68ff73cbe3/FLAGb1e8eda3b [2020-07-21 16:14:54,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28a0e2602/3c32675ec6914023b59abb68ff73cbe3 [2020-07-21 16:14:54,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:14:54,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:14:54,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:14:54,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:14:54,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:14:54,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:14:54" (1/1) ... [2020-07-21 16:14:54,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3883adbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:54, skipping insertion in model container [2020-07-21 16:14:54,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:14:54" (1/1) ... [2020-07-21 16:14:54,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:14:54,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:14:55,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:14:55,027 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:14:55,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:14:55,146 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:14:55,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:55 WrapperNode [2020-07-21 16:14:55,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:14:55,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:14:55,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:14:55,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:14:55,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:55" (1/1) ... [2020-07-21 16:14:55,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:55" (1/1) ... [2020-07-21 16:14:55,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:55" (1/1) ... [2020-07-21 16:14:55,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:55" (1/1) ... [2020-07-21 16:14:55,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:55" (1/1) ... [2020-07-21 16:14:55,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:55" (1/1) ... [2020-07-21 16:14:55,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:55" (1/1) ... [2020-07-21 16:14:55,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:14:55,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:14:55,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:14:55,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:14:55,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:55" (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 16:14:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:14:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:14:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-07-21 16:14:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-07-21 16:14:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-07-21 16:14:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:14:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-07-21 16:14:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-07-21 16:14:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-07-21 16:14:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-07-21 16:14:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-07-21 16:14:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-07-21 16:14:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-07-21 16:14:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:14:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-21 16:14:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 16:14:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-21 16:14:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-07-21 16:14:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-07-21 16:14:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-07-21 16:14:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-07-21 16:14:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-07-21 16:14:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-07-21 16:14:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-07-21 16:14:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-07-21 16:14:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-07-21 16:14:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:14:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-07-21 16:14:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:14:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:14:55,737 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 16:14:55,934 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-07-21 16:14:55,934 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-07-21 16:14:55,936 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 16:14:55,999 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-07-21 16:14:56,000 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-07-21 16:14:56,021 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 16:14:56,052 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-07-21 16:14:56,052 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-07-21 16:14:56,068 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-21 16:14:56,269 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-07-21 16:14:56,269 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-07-21 16:14:56,290 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:14:56,291 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 16:14:56,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:14:56 BoogieIcfgContainer [2020-07-21 16:14:56,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:14:56,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:14:56,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:14:56,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:14:56,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:14:54" (1/3) ... [2020-07-21 16:14:56,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cd047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:14:56, skipping insertion in model container [2020-07-21 16:14:56,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:14:55" (2/3) ... [2020-07-21 16:14:56,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cd047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:14:56, skipping insertion in model container [2020-07-21 16:14:56,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:14:56" (3/3) ... [2020-07-21 16:14:56,313 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-07-21 16:14:56,327 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:14:56,338 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:14:56,363 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:14:56,405 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:14:56,406 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:14:56,406 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:14:56,406 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:14:56,406 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:14:56,407 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:14:56,407 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:14:56,407 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:14:56,441 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-21 16:14:56,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-21 16:14:56,453 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:14:56,455 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 16:14:56,456 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:14:56,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:14:56,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-07-21 16:14:56,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:14:56,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013900865] [2020-07-21 16:14:56,482 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:56,678 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 16:14:56,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:14:56,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:14:56,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:14:56,747 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 16:14:56,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:14:56,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013900865] [2020-07-21 16:14:56,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:14:56,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:14:56,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128412429] [2020-07-21 16:14:56,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:14:56,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:14:56,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:14:56,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:14:56,786 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-07-21 16:14:57,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:14:57,001 INFO L93 Difference]: Finished difference Result 254 states and 376 transitions. [2020-07-21 16:14:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:14:57,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-21 16:14:57,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:14:57,023 INFO L225 Difference]: With dead ends: 254 [2020-07-21 16:14:57,024 INFO L226 Difference]: Without dead ends: 140 [2020-07-21 16:14:57,048 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 16:14:57,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-21 16:14:57,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-07-21 16:14:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-21 16:14:57,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 191 transitions. [2020-07-21 16:14:57,132 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 191 transitions. Word has length 20 [2020-07-21 16:14:57,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:14:57,133 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 191 transitions. [2020-07-21 16:14:57,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:14:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 191 transitions. [2020-07-21 16:14:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-21 16:14:57,135 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:14:57,135 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] [2020-07-21 16:14:57,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:57,352 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:14:57,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:14:57,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-07-21 16:14:57,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:14:57,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255780517] [2020-07-21 16:14:57,354 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:57,480 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 16:14:57,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:14:57,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 16:14:57,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:14:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:14:57,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:14:57,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255780517] [2020-07-21 16:14:57,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:14:57,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:14:57,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387511547] [2020-07-21 16:14:57,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:14:57,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:14:57,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:14:57,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:14:57,512 INFO L87 Difference]: Start difference. First operand 140 states and 191 transitions. Second operand 3 states. [2020-07-21 16:14:57,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:14:57,762 INFO L93 Difference]: Finished difference Result 258 states and 347 transitions. [2020-07-21 16:14:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:14:57,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-21 16:14:57,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:14:57,767 INFO L225 Difference]: With dead ends: 258 [2020-07-21 16:14:57,767 INFO L226 Difference]: Without dead ends: 202 [2020-07-21 16:14:57,770 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 16:14:57,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-21 16:14:57,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 189. [2020-07-21 16:14:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-21 16:14:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 253 transitions. [2020-07-21 16:14:57,803 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 253 transitions. Word has length 26 [2020-07-21 16:14:57,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:14:57,804 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 253 transitions. [2020-07-21 16:14:57,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:14:57,804 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 253 transitions. [2020-07-21 16:14:57,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-21 16:14:57,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:14:57,805 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 16:14:58,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:58,021 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:14:58,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:14:58,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-07-21 16:14:58,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:14:58,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049833551] [2020-07-21 16:14:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:58,166 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:14:58,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:14:58,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 16:14:58,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:14:58,194 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 16:14:58,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:14:58,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049833551] [2020-07-21 16:14:58,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:14:58,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:14:58,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545626153] [2020-07-21 16:14:58,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:14:58,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:14:58,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:14:58,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:14:58,198 INFO L87 Difference]: Start difference. First operand 189 states and 253 transitions. Second operand 3 states. [2020-07-21 16:14:58,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:14:58,248 INFO L93 Difference]: Finished difference Result 310 states and 407 transitions. [2020-07-21 16:14:58,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:14:58,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-21 16:14:58,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:14:58,253 INFO L225 Difference]: With dead ends: 310 [2020-07-21 16:14:58,254 INFO L226 Difference]: Without dead ends: 248 [2020-07-21 16:14:58,256 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 16:14:58,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-07-21 16:14:58,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 211. [2020-07-21 16:14:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-21 16:14:58,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 283 transitions. [2020-07-21 16:14:58,288 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 283 transitions. Word has length 27 [2020-07-21 16:14:58,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:14:58,288 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 283 transitions. [2020-07-21 16:14:58,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:14:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 283 transitions. [2020-07-21 16:14:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-21 16:14:58,292 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:14:58,292 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 16:14:58,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:58,507 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:14:58,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:14:58,508 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-07-21 16:14:58,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:14:58,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772234193] [2020-07-21 16:14:58,509 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:58,680 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 16:14:58,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:14:58,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 16:14:58,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:14:58,724 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 16:14:58,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:14:58,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772234193] [2020-07-21 16:14:58,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:14:58,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:14:58,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024046128] [2020-07-21 16:14:58,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:14:58,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:14:58,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:14:58,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:14:58,729 INFO L87 Difference]: Start difference. First operand 211 states and 283 transitions. Second operand 3 states. [2020-07-21 16:14:58,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:14:58,836 INFO L93 Difference]: Finished difference Result 214 states and 285 transitions. [2020-07-21 16:14:58,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:14:58,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-21 16:14:58,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:14:58,841 INFO L225 Difference]: With dead ends: 214 [2020-07-21 16:14:58,841 INFO L226 Difference]: Without dead ends: 211 [2020-07-21 16:14:58,842 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 16:14:58,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-21 16:14:58,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2020-07-21 16:14:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-21 16:14:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 282 transitions. [2020-07-21 16:14:58,868 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 282 transitions. Word has length 37 [2020-07-21 16:14:58,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:14:58,869 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 282 transitions. [2020-07-21 16:14:58,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:14:58,869 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2020-07-21 16:14:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-21 16:14:58,890 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:14:58,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:14:59,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:59,103 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:14:59,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:14:59,105 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-07-21 16:14:59,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:14:59,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035962633] [2020-07-21 16:14:59,106 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:59,268 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:14:59,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:14:59,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 16:14:59,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:14:59,291 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 16:14:59,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:14:59,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035962633] [2020-07-21 16:14:59,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:14:59,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:14:59,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493925718] [2020-07-21 16:14:59,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:14:59,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:14:59,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:14:59,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:14:59,296 INFO L87 Difference]: Start difference. First operand 211 states and 282 transitions. Second operand 3 states. [2020-07-21 16:14:59,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:14:59,361 INFO L93 Difference]: Finished difference Result 268 states and 350 transitions. [2020-07-21 16:14:59,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:14:59,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-21 16:14:59,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:14:59,365 INFO L225 Difference]: With dead ends: 268 [2020-07-21 16:14:59,365 INFO L226 Difference]: Without dead ends: 202 [2020-07-21 16:14:59,371 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 16:14:59,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-21 16:14:59,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 184. [2020-07-21 16:14:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-21 16:14:59,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 244 transitions. [2020-07-21 16:14:59,423 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 244 transitions. Word has length 45 [2020-07-21 16:14:59,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:14:59,430 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 244 transitions. [2020-07-21 16:14:59,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:14:59,430 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 244 transitions. [2020-07-21 16:14:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 16:14:59,436 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:14:59,436 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 16:14:59,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:59,650 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:14:59,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:14:59,651 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-07-21 16:14:59,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:14:59,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617106249] [2020-07-21 16:14:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:14:59,793 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:14:59,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:14:59,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:14:59,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:14:59,819 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 16:14:59,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:14:59,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617106249] [2020-07-21 16:14:59,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:14:59,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:14:59,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580882319] [2020-07-21 16:14:59,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:14:59,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:14:59,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:14:59,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:14:59,824 INFO L87 Difference]: Start difference. First operand 184 states and 244 transitions. Second operand 3 states. [2020-07-21 16:14:59,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:14:59,904 INFO L93 Difference]: Finished difference Result 243 states and 319 transitions. [2020-07-21 16:14:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:14:59,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 16:14:59,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:14:59,908 INFO L225 Difference]: With dead ends: 243 [2020-07-21 16:14:59,909 INFO L226 Difference]: Without dead ends: 182 [2020-07-21 16:14:59,917 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 16:14:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-21 16:14:59,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-07-21 16:14:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-07-21 16:14:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2020-07-21 16:14:59,951 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 51 [2020-07-21 16:14:59,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:14:59,953 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2020-07-21 16:14:59,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:14:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2020-07-21 16:14:59,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-21 16:14:59,960 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:14:59,960 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 16:15:00,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:00,174 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:00,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:00,175 INFO L82 PathProgramCache]: Analyzing trace with hash 572107035, now seen corresponding path program 1 times [2020-07-21 16:15:00,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:00,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700168452] [2020-07-21 16:15:00,176 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:00,285 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 16:15:00,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:00,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:15:00,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:00,393 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 16:15:00,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:00,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700168452] [2020-07-21 16:15:00,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:00,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 16:15:00,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406351856] [2020-07-21 16:15:00,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:15:00,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:00,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:15:00,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:15:00,398 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand 6 states. [2020-07-21 16:15:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:00,896 INFO L93 Difference]: Finished difference Result 217 states and 284 transitions. [2020-07-21 16:15:00,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 16:15:00,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-21 16:15:00,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:00,900 INFO L225 Difference]: With dead ends: 217 [2020-07-21 16:15:00,901 INFO L226 Difference]: Without dead ends: 193 [2020-07-21 16:15:00,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:15:00,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-21 16:15:00,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 188. [2020-07-21 16:15:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-07-21 16:15:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2020-07-21 16:15:00,919 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 50 [2020-07-21 16:15:00,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:00,919 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2020-07-21 16:15:00,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:15:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2020-07-21 16:15:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 16:15:00,922 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:00,923 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 16:15:01,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:01,135 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:01,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:01,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1461171158, now seen corresponding path program 1 times [2020-07-21 16:15:01,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:01,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734019715] [2020-07-21 16:15:01,137 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:01,270 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:01,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:01,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:15:01,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:01,297 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 16:15:01,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:01,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734019715] [2020-07-21 16:15:01,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:01,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:01,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351232828] [2020-07-21 16:15:01,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:01,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:01,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:01,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:01,301 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand 3 states. [2020-07-21 16:15:01,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:01,342 INFO L93 Difference]: Finished difference Result 197 states and 257 transitions. [2020-07-21 16:15:01,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:01,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 16:15:01,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:01,348 INFO L225 Difference]: With dead ends: 197 [2020-07-21 16:15:01,349 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 16:15:01,350 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 16:15:01,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 16:15:01,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 16:15:01,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 16:15:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2020-07-21 16:15:01,362 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 52 [2020-07-21 16:15:01,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:01,367 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2020-07-21 16:15:01,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2020-07-21 16:15:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 16:15:01,371 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:01,371 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 16:15:01,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:01,588 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:01,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:01,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1516710605, now seen corresponding path program 1 times [2020-07-21 16:15:01,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:01,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482587763] [2020-07-21 16:15:01,590 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:01,691 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 16:15:01,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:01,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:15:01,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:01,776 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 16:15:01,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:01,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482587763] [2020-07-21 16:15:01,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:01,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 16:15:01,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609583735] [2020-07-21 16:15:01,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 16:15:01,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:01,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 16:15:01,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 16:15:01,780 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 4 states. [2020-07-21 16:15:01,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:01,889 INFO L93 Difference]: Finished difference Result 119 states and 136 transitions. [2020-07-21 16:15:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 16:15:01,890 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-21 16:15:01,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:01,892 INFO L225 Difference]: With dead ends: 119 [2020-07-21 16:15:01,892 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 16:15:01,895 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 16:15:01,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 16:15:01,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 16:15:01,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 16:15:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2020-07-21 16:15:01,906 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 59 [2020-07-21 16:15:01,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:01,907 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2020-07-21 16:15:01,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 16:15:01,908 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2020-07-21 16:15:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 16:15:01,912 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:01,912 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 16:15:02,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:02,128 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:02,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:02,128 INFO L82 PathProgramCache]: Analyzing trace with hash -14076392, now seen corresponding path program 1 times [2020-07-21 16:15:02,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:02,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076900809] [2020-07-21 16:15:02,129 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:02,282 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:02,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:02,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 16:15:02,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:02,312 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 16:15:02,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:02,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076900809] [2020-07-21 16:15:02,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:02,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:02,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111049402] [2020-07-21 16:15:02,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:02,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:02,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:02,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:02,316 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand 3 states. [2020-07-21 16:15:02,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:02,341 INFO L93 Difference]: Finished difference Result 125 states and 142 transitions. [2020-07-21 16:15:02,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:02,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-21 16:15:02,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:02,343 INFO L225 Difference]: With dead ends: 125 [2020-07-21 16:15:02,343 INFO L226 Difference]: Without dead ends: 97 [2020-07-21 16:15:02,344 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 16:15:02,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-21 16:15:02,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2020-07-21 16:15:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-21 16:15:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions. [2020-07-21 16:15:02,355 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 61 [2020-07-21 16:15:02,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:02,356 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions. [2020-07-21 16:15:02,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2020-07-21 16:15:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 16:15:02,357 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:02,358 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 16:15:02,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:02,573 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:02,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:02,574 INFO L82 PathProgramCache]: Analyzing trace with hash -600882406, now seen corresponding path program 1 times [2020-07-21 16:15:02,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:02,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988404007] [2020-07-21 16:15:02,575 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:02,724 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:02,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:02,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:15:02,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:02,744 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 16:15:02,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:02,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988404007] [2020-07-21 16:15:02,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:02,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:02,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471030826] [2020-07-21 16:15:02,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:02,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:02,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:02,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:02,747 INFO L87 Difference]: Start difference. First operand 94 states and 105 transitions. Second operand 3 states. [2020-07-21 16:15:02,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:02,788 INFO L93 Difference]: Finished difference Result 110 states and 122 transitions. [2020-07-21 16:15:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:02,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-21 16:15:02,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:02,791 INFO L225 Difference]: With dead ends: 110 [2020-07-21 16:15:02,791 INFO L226 Difference]: Without dead ends: 105 [2020-07-21 16:15:02,792 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 16:15:02,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-07-21 16:15:02,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2020-07-21 16:15:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-21 16:15:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2020-07-21 16:15:02,801 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 61 [2020-07-21 16:15:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:02,802 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2020-07-21 16:15:02,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2020-07-21 16:15:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 16:15:02,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:02,804 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 16:15:03,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:03,007 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:03,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:03,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1685130741, now seen corresponding path program 1 times [2020-07-21 16:15:03,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:03,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972181150] [2020-07-21 16:15:03,010 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:03,149 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:03,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:03,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:15:03,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:03,224 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 16:15:03,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:03,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972181150] [2020-07-21 16:15:03,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:03,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 16:15:03,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069608873] [2020-07-21 16:15:03,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:15:03,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:03,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:15:03,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:15:03,230 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand 6 states. [2020-07-21 16:15:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:03,296 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions. [2020-07-21 16:15:03,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 16:15:03,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 16:15:03,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:03,299 INFO L225 Difference]: With dead ends: 110 [2020-07-21 16:15:03,300 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 16:15:03,301 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 16:15:03,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 16:15:03,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 16:15:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 16:15:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2020-07-21 16:15:03,312 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 62 [2020-07-21 16:15:03,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:03,313 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2020-07-21 16:15:03,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:15:03,313 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2020-07-21 16:15:03,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 16:15:03,314 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:03,315 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 16:15:03,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:03,531 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:03,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:03,532 INFO L82 PathProgramCache]: Analyzing trace with hash 475938380, now seen corresponding path program 1 times [2020-07-21 16:15:03,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:03,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952880335] [2020-07-21 16:15:03,534 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:03,713 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:03,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:03,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 16:15:03,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:03,760 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 16:15:03,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:03,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952880335] [2020-07-21 16:15:03,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:03,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 16:15:03,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992737902] [2020-07-21 16:15:03,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:15:03,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:03,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:15:03,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:15:03,765 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand 6 states. [2020-07-21 16:15:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:03,821 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2020-07-21 16:15:03,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 16:15:03,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 16:15:03,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:03,823 INFO L225 Difference]: With dead ends: 98 [2020-07-21 16:15:03,824 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 16:15:03,825 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 16:15:03,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 16:15:03,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 16:15:03,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 16:15:03,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2020-07-21 16:15:03,833 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 62 [2020-07-21 16:15:03,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:03,834 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2020-07-21 16:15:03,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:15:03,834 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2020-07-21 16:15:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 16:15:03,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:03,836 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 16:15:04,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:04,050 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:04,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:04,051 INFO L82 PathProgramCache]: Analyzing trace with hash 359859562, now seen corresponding path program 1 times [2020-07-21 16:15:04,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:04,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411685983] [2020-07-21 16:15:04,052 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:04,192 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:04,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:04,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 16:15:04,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:04,219 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 16:15:04,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:04,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411685983] [2020-07-21 16:15:04,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:04,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:04,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095427241] [2020-07-21 16:15:04,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:04,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:04,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:04,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:04,223 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 3 states. [2020-07-21 16:15:04,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:04,248 INFO L93 Difference]: Finished difference Result 107 states and 115 transitions. [2020-07-21 16:15:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:04,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-21 16:15:04,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:04,250 INFO L225 Difference]: With dead ends: 107 [2020-07-21 16:15:04,251 INFO L226 Difference]: Without dead ends: 76 [2020-07-21 16:15:04,253 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 16:15:04,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-21 16:15:04,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-21 16:15:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-21 16:15:04,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2020-07-21 16:15:04,269 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 63 [2020-07-21 16:15:04,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:04,270 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2020-07-21 16:15:04,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2020-07-21 16:15:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 16:15:04,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:04,271 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 16:15:04,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:04,485 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:04,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:04,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1228040100, now seen corresponding path program 1 times [2020-07-21 16:15:04,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:04,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16444506] [2020-07-21 16:15:04,487 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:04,579 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 16:15:04,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:04,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:15:04,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:04,610 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 16:15:04,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:04,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16444506] [2020-07-21 16:15:04,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:04,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:15:04,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308947805] [2020-07-21 16:15:04,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:15:04,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:04,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:15:04,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:15:04,613 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand 3 states. [2020-07-21 16:15:04,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:04,646 INFO L93 Difference]: Finished difference Result 141 states and 148 transitions. [2020-07-21 16:15:04,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:15:04,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-21 16:15:04,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:04,652 INFO L225 Difference]: With dead ends: 141 [2020-07-21 16:15:04,652 INFO L226 Difference]: Without dead ends: 134 [2020-07-21 16:15:04,653 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 16:15:04,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-21 16:15:04,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2020-07-21 16:15:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-21 16:15:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2020-07-21 16:15:04,672 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 63 [2020-07-21 16:15:04,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:04,672 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2020-07-21 16:15:04,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:15:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2020-07-21 16:15:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 16:15:04,676 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:04,677 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 16:15:04,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:04,891 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:04,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:04,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1291919834, now seen corresponding path program 1 times [2020-07-21 16:15:04,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:04,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152889641] [2020-07-21 16:15:04,893 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:05,030 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:05,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:05,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 16:15:05,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:05,070 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 16:15:05,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:05,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152889641] [2020-07-21 16:15:05,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:05,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 16:15:05,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807556229] [2020-07-21 16:15:05,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:15:05,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:05,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:15:05,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:15:05,075 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand 6 states. [2020-07-21 16:15:05,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:05,122 INFO L93 Difference]: Finished difference Result 144 states and 151 transitions. [2020-07-21 16:15:05,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 16:15:05,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-07-21 16:15:05,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:05,125 INFO L225 Difference]: With dead ends: 144 [2020-07-21 16:15:05,125 INFO L226 Difference]: Without dead ends: 133 [2020-07-21 16:15:05,125 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 16:15:05,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-21 16:15:05,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-21 16:15:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-21 16:15:05,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2020-07-21 16:15:05,138 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2020-07-21 16:15:05,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:05,138 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2020-07-21 16:15:05,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:15:05,139 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2020-07-21 16:15:05,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-21 16:15:05,140 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:15:05,140 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 16:15:05,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:05,354 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:15:05,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:15:05,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1154361885, now seen corresponding path program 1 times [2020-07-21 16:15:05,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:15:05,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308460474] [2020-07-21 16:15:05,356 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:05,520 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:15:05,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:15:05,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 16:15:05,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:15:05,565 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 16:15:05,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:15:05,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308460474] [2020-07-21 16:15:05,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:15:05,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 16:15:05,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493231411] [2020-07-21 16:15:05,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 16:15:05,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:15:05,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 16:15:05,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 16:15:05,568 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 5 states. [2020-07-21 16:15:05,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:15:05,681 INFO L93 Difference]: Finished difference Result 133 states and 138 transitions. [2020-07-21 16:15:05,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 16:15:05,681 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-07-21 16:15:05,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:15:05,682 INFO L225 Difference]: With dead ends: 133 [2020-07-21 16:15:05,682 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 16:15:05,683 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 16:15:05,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 16:15:05,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 16:15:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 16:15:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 16:15:05,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-07-21 16:15:05,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:15:05,684 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 16:15:05,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 16:15:05,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 16:15:05,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 16:15:05,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:15:05,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 16:15:06,856 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 16:15:07,056 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-07-21 16:15:07,358 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-07-21 16:15:07,624 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2020-07-21 16:15:07,826 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-07-21 16:15:08,239 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 16:15:08,668 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-07-21 16:15:08,805 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-07-21 16:15:08,999 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-07-21 16:15:09,338 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2020-07-21 16:15:09,693 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-07-21 16:15:09,929 INFO L271 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: true [2020-07-21 16:15:09,930 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-07-21 16:15:09,930 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-07-21 16:15:09,930 INFO L271 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: true [2020-07-21 16:15:09,930 INFO L271 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: true [2020-07-21 16:15:09,931 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-07-21 16:15:09,931 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-07-21 16:15:09,931 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-07-21 16:15:09,931 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-07-21 16:15:09,931 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 16:15:09,931 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-07-21 16:15:09,931 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-07-21 16:15:09,932 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 49 70) the Hoare annotation is: (or (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~s~0 ~UNLOADED~0) (not (= 1 ~pended~0)) (= ~s~0 |old(~s~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)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-21 16:15:09,932 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-07-21 16:15:09,932 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-07-21 16:15:09,932 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-07-21 16:15:09,932 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-07-21 16:15:09,932 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-07-21 16:15:09,933 INFO L264 CegarLoopResult]: At program point L382(lines 375 415) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (= ~s~0 ~UNLOADED~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)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-21 16:15:09,933 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-07-21 16:15:09,933 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-07-21 16:15:09,933 INFO L264 CegarLoopResult]: At program point L374(lines 367 416) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (= ~s~0 ~UNLOADED~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)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-21 16:15:09,933 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-07-21 16:15:09,933 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-07-21 16:15:09,933 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-07-21 16:15:09,933 INFO L264 CegarLoopResult]: At program point L351(lines 350 365) 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)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (= ~s~0 ~NP~0) (not (= 1 ~pended~0)) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0))) [2020-07-21 16:15:09,933 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-07-21 16:15:09,933 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-07-21 16:15:09,934 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-07-21 16:15:09,934 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-07-21 16:15:09,934 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-07-21 16:15:09,934 INFO L264 CegarLoopResult]: At program point L319(line 319) 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)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~s~0 ~UNLOADED~0) (not (= 1 ~pended~0)) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0))) [2020-07-21 16:15:09,934 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-07-21 16:15:09,934 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 286 420) the Hoare annotation is: (or (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~s~0 ~UNLOADED~0) (not (= 1 ~pended~0)) (= ~s~0 |old(~s~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)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-21 16:15:09,934 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-07-21 16:15:09,935 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)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-21 16:15:09,935 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-07-21 16:15:09,935 INFO L271 CegarLoopResult]: At program point L353(lines 352 365) the Hoare annotation is: true [2020-07-21 16:15:09,935 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-07-21 16:15:09,935 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-07-21 16:15:09,935 INFO L264 CegarLoopResult]: At program point L321(lines 295 419) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (= ~s~0 ~UNLOADED~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)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-21 16:15:09,935 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-07-21 16:15:09,936 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-07-21 16:15:09,936 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-07-21 16:15:09,936 INFO L264 CegarLoopResult]: At program point L330-2(lines 330 333) 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)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (= ~s~0 ~NP~0) (not (= 1 ~pended~0)) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0))) [2020-07-21 16:15:09,936 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)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-21 16:15:09,936 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-07-21 16:15:09,936 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-07-21 16:15:09,937 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 16:15:09,937 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-07-21 16:15:09,937 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 16:15:09,937 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 16:15:09,937 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-07-21 16:15:09,937 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-07-21 16:15:09,937 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-21 16:15:09,938 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 16:15:09,938 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 16:15:09,938 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 16:15:09,938 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-07-21 16:15:09,938 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-07-21 16:15:09,939 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 16:15:09,939 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-07-21 16:15:09,939 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-07-21 16:15:09,939 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 16:15:09,939 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-07-21 16:15:09,939 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-07-21 16:15:09,939 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 16:15:09,940 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-07-21 16:15:09,940 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 16:15:09,940 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-07-21 16:15:09,940 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:15:09,940 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~s~0 |old(~s~0)|) [2020-07-21 16:15:09,941 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:15:09,941 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 16:15:09,941 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-07-21 16:15:09,941 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-07-21 16:15:09,941 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-07-21 16:15:09,941 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-07-21 16:15:09,941 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-07-21 16:15:09,942 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-07-21 16:15:09,942 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 16:15:09,942 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-07-21 16:15:09,942 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 16:15:09,942 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 16:15:09,943 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 16:15:09,943 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 16:15:09,943 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-07-21 16:15:09,943 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 16:15:09,943 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-07-21 16:15:09,943 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-07-21 16:15:09,943 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:15:09,944 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~s~0 ~UNLOADED~0) (not (= 1 ~pended~0)) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) [2020-07-21 16:15:09,944 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 16:15:09,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:15:09,944 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 16:15:09,944 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-07-21 16:15:09,945 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-07-21 16:15:09,945 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-07-21 16:15:09,945 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 16:15:09,945 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 16:15:09,945 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 16:15:09,945 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-07-21 16:15:09,946 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-07-21 16:15:09,946 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-07-21 16:15:09,946 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 16:15:09,946 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 16:15:09,946 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-07-21 16:15:09,946 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-07-21 16:15:09,946 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-07-21 16:15:09,946 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-07-21 16:15:09,947 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-07-21 16:15:09,947 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-07-21 16:15:09,947 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-07-21 16:15:09,947 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-07-21 16:15:09,947 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-07-21 16:15:09,947 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 16:15:09,947 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-07-21 16:15:09,947 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-07-21 16:15:09,948 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 16:15:09,948 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 16:15:09,948 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-07-21 16:15:09,948 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 16:15:09,948 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-07-21 16:15:09,948 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-07-21 16:15:09,948 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-07-21 16:15:09,948 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-07-21 16:15:09,949 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 16:15:09,949 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-07-21 16:15:09,949 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-07-21 16:15:09,949 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-07-21 16:15:09,949 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-07-21 16:15:09,949 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 16:15:09,949 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-07-21 16:15:09,950 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-07-21 16:15:09,950 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-07-21 16:15:09,950 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-07-21 16:15:09,950 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-07-21 16:15:09,950 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 16:15:09,950 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-21 16:15:09,950 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-07-21 16:15:09,950 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-07-21 16:15:09,950 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-07-21 16:15:09,951 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-07-21 16:15:09,951 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-07-21 16:15:09,951 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 16:15:09,951 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-07-21 16:15:09,951 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 16:15:09,951 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-07-21 16:15:09,952 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-07-21 16:15:09,952 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-07-21 16:15:09,952 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 16:15:09,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:15:09 BoogieIcfgContainer [2020-07-21 16:15:09,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:15:09,996 INFO L168 Benchmark]: Toolchain (without parser) took 15352.55 ms. Allocated memory was 137.4 MB in the beginning and 348.1 MB in the end (delta: 210.8 MB). Free memory was 102.2 MB in the beginning and 141.5 MB in the end (delta: -39.4 MB). Peak memory consumption was 195.9 MB. Max. memory is 7.1 GB. [2020-07-21 16:15:09,997 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 16:15:09,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.70 ms. Allocated memory is still 137.4 MB. Free memory was 101.8 MB in the beginning and 86.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2020-07-21 16:15:09,998 INFO L168 Benchmark]: Boogie Preprocessor took 169.91 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 86.1 MB in the beginning and 177.4 MB in the end (delta: -91.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-21 16:15:09,999 INFO L168 Benchmark]: RCFGBuilder took 981.07 ms. Allocated memory is still 201.3 MB. Free memory was 177.4 MB in the beginning and 132.6 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2020-07-21 16:15:09,999 INFO L168 Benchmark]: TraceAbstraction took 13691.75 ms. Allocated memory was 201.3 MB in the beginning and 348.1 MB in the end (delta: 146.8 MB). Free memory was 131.9 MB in the beginning and 141.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 161.7 MB. Max. memory is 7.1 GB. [2020-07-21 16:15:10,002 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 500.70 ms. Allocated memory is still 137.4 MB. Free memory was 101.8 MB in the beginning and 86.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.91 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 86.1 MB in the beginning and 177.4 MB in the end (delta: -91.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 981.07 ms. Allocated memory is still 201.3 MB. Free memory was 177.4 MB in the beginning and 132.6 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13691.75 ms. Allocated memory was 201.3 MB in the beginning and 348.1 MB in the end (delta: 146.8 MB). Free memory was 131.9 MB in the beginning and 141.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 161.7 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)) || s == UNLOADED) || ((3 <= SKIP1 && NP <= 1) && !(1 == pended))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || !(\old(UNLOADED) == \old(s)) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(NP)) || s == UNLOADED) || ((3 <= SKIP1 && NP <= 1) && !(1 == pended))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || !(\old(UNLOADED) == \old(s)) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - 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)) || s == UNLOADED) || ((3 <= SKIP1 && NP <= 1) && !(1 == pended))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || !(\old(UNLOADED) == \old(s)) - 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: ((((((!(\old(s) == \old(NP)) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || !(\old(UNLOADED) == \old(s))) || (((((3 <= SKIP1 && NP <= 1) && s == NP) && !(1 == pended)) && 5 <= MPR1) && 0 == compRegistered) - 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))) || !(\old(UNLOADED) == \old(s)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.4s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2269 SDtfs, 900 SDslu, 2306 SDs, 0 SdLazy, 571 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 867 GetRequests, 825 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=211occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 86 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 260 PreInvPairs, 328 NumberOfFragments, 2032 HoareAnnotationTreeSize, 260 FomulaSimplifications, 277 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 2630 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 876 NumberOfCodeBlocks, 750 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 859 ConstructedInterpolants, 0 QuantifiedInterpolants, 97012 SizeOfPredicates, 14 NumberOfNonLiveVariables, 8875 ConjunctsInSsa, 87 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...