/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST -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 0.1.25-5644d1e-m [2020-08-18 21:55:03,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 21:55:03,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 21:55:03,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 21:55:03,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 21:55:03,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 21:55:03,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 21:55:03,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 21:55:03,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 21:55:03,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 21:55:03,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 21:55:03,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 21:55:03,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:55:03,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:55:03,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:55:03,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:55:03,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:55:03,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:55:03,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:55:03,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:55:03,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:55:03,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:55:03,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:55:03,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:55:03,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 21:55:03,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 21:55:03,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 21:55:03,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 21:55:03,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 21:55:03,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 21:55:03,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 21:55:03,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 21:55:03,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 21:55:03,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 21:55:03,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 21:55:03,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 21:55:03,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 21:55:03,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 21:55:03,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:55:03,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:55:03,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:55:03,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 21:55:03,270 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:55:03,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:55:03,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:55:03,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:55:03,273 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:55:03,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:55:03,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:55:03,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:55:03,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:55:03,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:55:03,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:55:03,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:55:03,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:55:03,277 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:55:03,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:55:03,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:55:03,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:55:03,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:55:03,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:55:03,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:55:03,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:55:03,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:55:03,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:55:03,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:55:03,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:55:03,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:55:03,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:55:03,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:55:03,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:55:03,280 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; [2020-08-18 21:55:03,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:55:03,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:55:03,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:55:03,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:55:03,605 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:55:03,605 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-08-18 21:55:03,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/960d69760/6d671bee92a54b7487cebdbd52e8938c/FLAG943943393 [2020-08-18 21:55:04,218 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:55:04,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-08-18 21:55:04,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/960d69760/6d671bee92a54b7487cebdbd52e8938c/FLAG943943393 [2020-08-18 21:55:04,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/960d69760/6d671bee92a54b7487cebdbd52e8938c [2020-08-18 21:55:04,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:55:04,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:55:04,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:55:04,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:55:04,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:55:04,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:55:04" (1/1) ... [2020-08-18 21:55:04,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2daff610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:04, skipping insertion in model container [2020-08-18 21:55:04,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:55:04" (1/1) ... [2020-08-18 21:55:04,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:55:04,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:55:04,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:55:04,863 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:55:05,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:55:05,048 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:55:05,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:05 WrapperNode [2020-08-18 21:55:05,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:55:05,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:55:05,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:55:05,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:55:05,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:05" (1/1) ... [2020-08-18 21:55:05,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:05" (1/1) ... [2020-08-18 21:55:05,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:05" (1/1) ... [2020-08-18 21:55:05,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:05" (1/1) ... [2020-08-18 21:55:05,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:05" (1/1) ... [2020-08-18 21:55:05,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:05" (1/1) ... [2020-08-18 21:55:05,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:05" (1/1) ... [2020-08-18 21:55:05,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:55:05,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:55:05,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:55:05,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:55:05,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 21:55:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:55:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:55:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-08-18 21:55:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-08-18 21:55:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-08-18 21:55:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:55:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-08-18 21:55:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-08-18 21:55:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-08-18 21:55:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-08-18 21:55:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-08-18 21:55:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-08-18 21:55:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-08-18 21:55:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:55:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-08-18 21:55:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:55:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-08-18 21:55:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-08-18 21:55:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-08-18 21:55:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-08-18 21:55:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-08-18 21:55:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-08-18 21:55:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-08-18 21:55:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-08-18 21:55:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-08-18 21:55:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-08-18 21:55:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:55:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-08-18 21:55:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:55:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:55:05,490 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-18 21:55:05,599 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-08-18 21:55:05,600 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-08-18 21:55:05,602 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-18 21:55:05,655 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-08-18 21:55:05,656 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-08-18 21:55:05,671 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-18 21:55:05,693 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-08-18 21:55:05,693 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-08-18 21:55:05,708 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-08-18 21:55:05,851 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-08-18 21:55:05,852 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-08-18 21:55:05,870 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:55:05,870 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 21:55:05,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:55:05 BoogieIcfgContainer [2020-08-18 21:55:05,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:55:05,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:55:05,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:55:05,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:55:05,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:55:04" (1/3) ... [2020-08-18 21:55:05,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7ca9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:55:05, skipping insertion in model container [2020-08-18 21:55:05,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:55:05" (2/3) ... [2020-08-18 21:55:05,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7ca9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:55:05, skipping insertion in model container [2020-08-18 21:55:05,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:55:05" (3/3) ... [2020-08-18 21:55:05,886 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-08-18 21:55:05,898 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:55:05,907 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:55:05,922 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:55:05,950 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:55:05,951 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:55:05,951 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:55:05,951 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:55:05,951 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:55:05,952 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:55:05,952 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:55:05,952 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:55:05,977 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-08-18 21:55:05,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-18 21:55:05,985 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:05,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:55:05,987 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:05,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:05,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-08-18 21:55:06,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:06,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68270710] [2020-08-18 21:55:06,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:06,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:06,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:06,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68270710] [2020-08-18 21:55:06,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:06,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 21:55:06,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396612195] [2020-08-18 21:55:06,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 21:55:06,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:06,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 21:55:06,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:55:06,491 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 5 states. [2020-08-18 21:55:07,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:07,196 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-08-18 21:55:07,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 21:55:07,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-08-18 21:55:07,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:07,212 INFO L225 Difference]: With dead ends: 303 [2020-08-18 21:55:07,213 INFO L226 Difference]: Without dead ends: 157 [2020-08-18 21:55:07,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:55:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-08-18 21:55:07,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2020-08-18 21:55:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-08-18 21:55:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2020-08-18 21:55:07,290 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 20 [2020-08-18 21:55:07,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:07,290 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2020-08-18 21:55:07,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 21:55:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2020-08-18 21:55:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-18 21:55:07,292 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:07,292 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] [2020-08-18 21:55:07,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:55:07,293 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:07,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:07,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-08-18 21:55:07,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:07,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489699556] [2020-08-18 21:55:07,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:07,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:07,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:07,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:07,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489699556] [2020-08-18 21:55:07,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:07,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 21:55:07,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239258944] [2020-08-18 21:55:07,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 21:55:07,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:07,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 21:55:07,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:55:07,653 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 6 states. [2020-08-18 21:55:08,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:08,462 INFO L93 Difference]: Finished difference Result 275 states and 370 transitions. [2020-08-18 21:55:08,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:55:08,463 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-08-18 21:55:08,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:08,466 INFO L225 Difference]: With dead ends: 275 [2020-08-18 21:55:08,467 INFO L226 Difference]: Without dead ends: 219 [2020-08-18 21:55:08,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:55:08,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-08-18 21:55:08,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 195. [2020-08-18 21:55:08,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-08-18 21:55:08,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 259 transitions. [2020-08-18 21:55:08,501 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 259 transitions. Word has length 26 [2020-08-18 21:55:08,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:08,501 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 259 transitions. [2020-08-18 21:55:08,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 21:55:08,502 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 259 transitions. [2020-08-18 21:55:08,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-18 21:55:08,503 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:08,503 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] [2020-08-18 21:55:08,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:55:08,503 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:08,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:08,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-08-18 21:55:08,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:08,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910311582] [2020-08-18 21:55:08,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:08,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:08,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:08,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:08,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:08,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910311582] [2020-08-18 21:55:08,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:08,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 21:55:08,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184892107] [2020-08-18 21:55:08,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 21:55:08,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:08,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 21:55:08,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:55:08,754 INFO L87 Difference]: Start difference. First operand 195 states and 259 transitions. Second operand 6 states. [2020-08-18 21:55:09,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:09,119 INFO L93 Difference]: Finished difference Result 316 states and 413 transitions. [2020-08-18 21:55:09,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:55:09,119 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-18 21:55:09,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:09,122 INFO L225 Difference]: With dead ends: 316 [2020-08-18 21:55:09,123 INFO L226 Difference]: Without dead ends: 254 [2020-08-18 21:55:09,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:55:09,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-08-18 21:55:09,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 217. [2020-08-18 21:55:09,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-08-18 21:55:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 289 transitions. [2020-08-18 21:55:09,154 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 289 transitions. Word has length 27 [2020-08-18 21:55:09,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:09,155 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 289 transitions. [2020-08-18 21:55:09,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 21:55:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 289 transitions. [2020-08-18 21:55:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-08-18 21:55:09,157 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:09,157 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] [2020-08-18 21:55:09,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 21:55:09,158 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:09,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:09,158 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-08-18 21:55:09,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:09,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492678874] [2020-08-18 21:55:09,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:09,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:09,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:09,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:09,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492678874] [2020-08-18 21:55:09,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:09,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 21:55:09,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53653791] [2020-08-18 21:55:09,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 21:55:09,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:09,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 21:55:09,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:55:09,368 INFO L87 Difference]: Start difference. First operand 217 states and 289 transitions. Second operand 6 states. [2020-08-18 21:55:09,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:09,932 INFO L93 Difference]: Finished difference Result 220 states and 291 transitions. [2020-08-18 21:55:09,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:55:09,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-08-18 21:55:09,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:09,935 INFO L225 Difference]: With dead ends: 220 [2020-08-18 21:55:09,936 INFO L226 Difference]: Without dead ends: 217 [2020-08-18 21:55:09,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:55:09,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-08-18 21:55:09,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-08-18 21:55:09,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-08-18 21:55:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2020-08-18 21:55:09,992 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 37 [2020-08-18 21:55:09,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:09,993 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2020-08-18 21:55:09,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 21:55:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2020-08-18 21:55:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-08-18 21:55:09,997 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:09,998 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] [2020-08-18 21:55:10,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 21:55:10,001 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:10,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:10,001 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-08-18 21:55:10,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:10,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272715805] [2020-08-18 21:55:10,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:10,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:10,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:10,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:10,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-18 21:55:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:10,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:10,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272715805] [2020-08-18 21:55:10,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:10,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 21:55:10,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339626126] [2020-08-18 21:55:10,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:55:10,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:10,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:55:10,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:55:10,281 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand 8 states. [2020-08-18 21:55:11,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:11,005 INFO L93 Difference]: Finished difference Result 274 states and 356 transitions. [2020-08-18 21:55:11,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 21:55:11,011 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-08-18 21:55:11,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:11,013 INFO L225 Difference]: With dead ends: 274 [2020-08-18 21:55:11,013 INFO L226 Difference]: Without dead ends: 208 [2020-08-18 21:55:11,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-08-18 21:55:11,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-08-18 21:55:11,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 190. [2020-08-18 21:55:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-08-18 21:55:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 250 transitions. [2020-08-18 21:55:11,033 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 250 transitions. Word has length 45 [2020-08-18 21:55:11,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:11,034 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 250 transitions. [2020-08-18 21:55:11,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:55:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 250 transitions. [2020-08-18 21:55:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 21:55:11,036 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:11,037 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] [2020-08-18 21:55:11,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 21:55:11,037 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:11,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:11,038 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-08-18 21:55:11,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:11,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879173222] [2020-08-18 21:55:11,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 21:55:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:55:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 21:55:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:11,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879173222] [2020-08-18 21:55:11,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:11,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 21:55:11,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188252343] [2020-08-18 21:55:11,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:55:11,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:11,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:55:11,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:55:11,230 INFO L87 Difference]: Start difference. First operand 190 states and 250 transitions. Second operand 8 states. [2020-08-18 21:55:11,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:11,748 INFO L93 Difference]: Finished difference Result 258 states and 336 transitions. [2020-08-18 21:55:11,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 21:55:11,748 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 21:55:11,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:11,750 INFO L225 Difference]: With dead ends: 258 [2020-08-18 21:55:11,750 INFO L226 Difference]: Without dead ends: 197 [2020-08-18 21:55:11,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-08-18 21:55:11,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-08-18 21:55:11,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2020-08-18 21:55:11,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-08-18 21:55:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2020-08-18 21:55:11,769 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 51 [2020-08-18 21:55:11,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:11,769 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2020-08-18 21:55:11,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:55:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2020-08-18 21:55:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-08-18 21:55:11,771 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:11,771 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] [2020-08-18 21:55:11,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 21:55:11,772 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:11,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:11,772 INFO L82 PathProgramCache]: Analyzing trace with hash 572107035, now seen corresponding path program 1 times [2020-08-18 21:55:11,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:11,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782511595] [2020-08-18 21:55:11,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:11,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-18 21:55:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:12,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:12,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782511595] [2020-08-18 21:55:12,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:12,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 21:55:12,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232291975] [2020-08-18 21:55:12,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 21:55:12,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:12,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 21:55:12,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:55:12,048 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand 10 states. [2020-08-18 21:55:12,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:12,977 INFO L93 Difference]: Finished difference Result 243 states and 316 transitions. [2020-08-18 21:55:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 21:55:12,978 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2020-08-18 21:55:12,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:12,982 INFO L225 Difference]: With dead ends: 243 [2020-08-18 21:55:12,982 INFO L226 Difference]: Without dead ends: 238 [2020-08-18 21:55:12,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-18 21:55:12,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-08-18 21:55:13,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 205. [2020-08-18 21:55:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-08-18 21:55:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2020-08-18 21:55:13,007 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 50 [2020-08-18 21:55:13,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:13,007 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2020-08-18 21:55:13,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 21:55:13,007 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2020-08-18 21:55:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 21:55:13,009 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:13,009 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] [2020-08-18 21:55:13,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 21:55:13,010 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:13,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:13,010 INFO L82 PathProgramCache]: Analyzing trace with hash 176400751, now seen corresponding path program 1 times [2020-08-18 21:55:13,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:13,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488209804] [2020-08-18 21:55:13,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:13,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:13,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:13,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-18 21:55:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:13,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488209804] [2020-08-18 21:55:13,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:13,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-18 21:55:13,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916604581] [2020-08-18 21:55:13,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 21:55:13,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:13,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 21:55:13,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-08-18 21:55:13,274 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand 14 states. [2020-08-18 21:55:14,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:14,639 INFO L93 Difference]: Finished difference Result 246 states and 313 transitions. [2020-08-18 21:55:14,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 21:55:14,639 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 51 [2020-08-18 21:55:14,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:14,642 INFO L225 Difference]: With dead ends: 246 [2020-08-18 21:55:14,642 INFO L226 Difference]: Without dead ends: 222 [2020-08-18 21:55:14,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2020-08-18 21:55:14,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-08-18 21:55:14,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 188. [2020-08-18 21:55:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-08-18 21:55:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 244 transitions. [2020-08-18 21:55:14,666 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 244 transitions. Word has length 51 [2020-08-18 21:55:14,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:14,667 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 244 transitions. [2020-08-18 21:55:14,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 21:55:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2020-08-18 21:55:14,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 21:55:14,668 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:14,668 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] [2020-08-18 21:55:14,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 21:55:14,669 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:14,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:14,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1461171158, now seen corresponding path program 1 times [2020-08-18 21:55:14,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:14,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48749822] [2020-08-18 21:55:14,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:14,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:14,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:14,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:14,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-18 21:55:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:14,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:14,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48749822] [2020-08-18 21:55:14,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:14,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 21:55:14,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647767120] [2020-08-18 21:55:14,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:55:14,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:14,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:55:14,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:55:14,947 INFO L87 Difference]: Start difference. First operand 188 states and 244 transitions. Second operand 8 states. [2020-08-18 21:55:15,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:15,180 INFO L93 Difference]: Finished difference Result 203 states and 262 transitions. [2020-08-18 21:55:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 21:55:15,180 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 21:55:15,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:15,181 INFO L225 Difference]: With dead ends: 203 [2020-08-18 21:55:15,182 INFO L226 Difference]: Without dead ends: 91 [2020-08-18 21:55:15,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:55:15,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-18 21:55:15,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-08-18 21:55:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-18 21:55:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2020-08-18 21:55:15,191 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 52 [2020-08-18 21:55:15,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:15,192 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2020-08-18 21:55:15,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:55:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2020-08-18 21:55:15,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 21:55:15,193 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:15,193 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] [2020-08-18 21:55:15,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 21:55:15,193 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:15,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:15,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1516710605, now seen corresponding path program 1 times [2020-08-18 21:55:15,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:15,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069008030] [2020-08-18 21:55:15,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:15,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:15,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:15,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:15,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-18 21:55:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:15,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:55:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:15,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:55:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:15,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:15,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069008030] [2020-08-18 21:55:15,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:15,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-18 21:55:15,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944746461] [2020-08-18 21:55:15,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 21:55:15,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:15,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 21:55:15,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-18 21:55:15,408 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand 11 states. [2020-08-18 21:55:15,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:15,870 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2020-08-18 21:55:15,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 21:55:15,871 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2020-08-18 21:55:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:15,873 INFO L225 Difference]: With dead ends: 119 [2020-08-18 21:55:15,873 INFO L226 Difference]: Without dead ends: 91 [2020-08-18 21:55:15,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-08-18 21:55:15,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-18 21:55:15,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-08-18 21:55:15,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-18 21:55:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions. [2020-08-18 21:55:15,883 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 59 [2020-08-18 21:55:15,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:15,884 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions. [2020-08-18 21:55:15,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 21:55:15,884 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2020-08-18 21:55:15,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 21:55:15,885 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:15,885 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] [2020-08-18 21:55:15,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 21:55:15,885 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:15,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:15,886 INFO L82 PathProgramCache]: Analyzing trace with hash -14076392, now seen corresponding path program 1 times [2020-08-18 21:55:15,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:15,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786705010] [2020-08-18 21:55:15,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:15,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:15,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-18 21:55:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:55:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:55:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:16,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786705010] [2020-08-18 21:55:16,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:16,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 21:55:16,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763470303] [2020-08-18 21:55:16,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 21:55:16,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:16,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 21:55:16,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:55:16,083 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand 9 states. [2020-08-18 21:55:16,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:16,287 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2020-08-18 21:55:16,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 21:55:16,288 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 21:55:16,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:16,289 INFO L225 Difference]: With dead ends: 122 [2020-08-18 21:55:16,289 INFO L226 Difference]: Without dead ends: 94 [2020-08-18 21:55:16,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:55:16,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-18 21:55:16,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-08-18 21:55:16,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-18 21:55:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2020-08-18 21:55:16,301 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 61 [2020-08-18 21:55:16,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:16,301 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2020-08-18 21:55:16,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 21:55:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2020-08-18 21:55:16,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 21:55:16,302 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:16,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:55:16,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 21:55:16,303 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:16,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:16,303 INFO L82 PathProgramCache]: Analyzing trace with hash -600882406, now seen corresponding path program 1 times [2020-08-18 21:55:16,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:16,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875120680] [2020-08-18 21:55:16,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-18 21:55:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:55:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:55:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:16,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875120680] [2020-08-18 21:55:16,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:16,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 21:55:16,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540612632] [2020-08-18 21:55:16,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 21:55:16,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:16,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 21:55:16,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:55:16,539 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand 12 states. [2020-08-18 21:55:16,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:16,864 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2020-08-18 21:55:16,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 21:55:16,865 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2020-08-18 21:55:16,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:16,867 INFO L225 Difference]: With dead ends: 112 [2020-08-18 21:55:16,867 INFO L226 Difference]: Without dead ends: 93 [2020-08-18 21:55:16,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-08-18 21:55:16,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-08-18 21:55:16,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2020-08-18 21:55:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-08-18 21:55:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2020-08-18 21:55:16,878 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 61 [2020-08-18 21:55:16,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:16,878 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2020-08-18 21:55:16,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 21:55:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2020-08-18 21:55:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 21:55:16,879 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:16,879 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] [2020-08-18 21:55:16,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 21:55:16,879 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:16,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:16,880 INFO L82 PathProgramCache]: Analyzing trace with hash -673462309, now seen corresponding path program 1 times [2020-08-18 21:55:16,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:16,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335990540] [2020-08-18 21:55:16,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:16,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-18 21:55:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:55:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:55:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:17,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335990540] [2020-08-18 21:55:17,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:17,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 21:55:17,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853650438] [2020-08-18 21:55:17,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 21:55:17,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:17,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 21:55:17,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:55:17,057 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 9 states. [2020-08-18 21:55:17,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:17,272 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2020-08-18 21:55:17,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 21:55:17,273 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-18 21:55:17,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:17,277 INFO L225 Difference]: With dead ends: 105 [2020-08-18 21:55:17,277 INFO L226 Difference]: Without dead ends: 100 [2020-08-18 21:55:17,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:55:17,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-08-18 21:55:17,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 91. [2020-08-18 21:55:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-18 21:55:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2020-08-18 21:55:17,297 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 62 [2020-08-18 21:55:17,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:17,298 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2020-08-18 21:55:17,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 21:55:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2020-08-18 21:55:17,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 21:55:17,308 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:17,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:55:17,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 21:55:17,309 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:17,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:17,316 INFO L82 PathProgramCache]: Analyzing trace with hash 475938380, now seen corresponding path program 1 times [2020-08-18 21:55:17,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:17,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462902142] [2020-08-18 21:55:17,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-18 21:55:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:55:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:55:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:17,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462902142] [2020-08-18 21:55:17,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:17,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 21:55:17,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065427890] [2020-08-18 21:55:17,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 21:55:17,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:17,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 21:55:17,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:55:17,729 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 12 states. [2020-08-18 21:55:18,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:18,067 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2020-08-18 21:55:18,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 21:55:18,068 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-08-18 21:55:18,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:18,069 INFO L225 Difference]: With dead ends: 98 [2020-08-18 21:55:18,069 INFO L226 Difference]: Without dead ends: 91 [2020-08-18 21:55:18,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-08-18 21:55:18,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-18 21:55:18,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-08-18 21:55:18,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-18 21:55:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 97 transitions. [2020-08-18 21:55:18,084 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 97 transitions. Word has length 62 [2020-08-18 21:55:18,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:18,084 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 97 transitions. [2020-08-18 21:55:18,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 21:55:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2020-08-18 21:55:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 21:55:18,085 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:18,086 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] [2020-08-18 21:55:18,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-18 21:55:18,086 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:18,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:18,086 INFO L82 PathProgramCache]: Analyzing trace with hash 359859562, now seen corresponding path program 1 times [2020-08-18 21:55:18,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:18,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188765994] [2020-08-18 21:55:18,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-18 21:55:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:55:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:55:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:18,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188765994] [2020-08-18 21:55:18,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:18,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 21:55:18,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099077027] [2020-08-18 21:55:18,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 21:55:18,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:18,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 21:55:18,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:55:18,340 INFO L87 Difference]: Start difference. First operand 91 states and 97 transitions. Second operand 10 states. [2020-08-18 21:55:18,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:18,634 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2020-08-18 21:55:18,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 21:55:18,635 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-08-18 21:55:18,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:18,638 INFO L225 Difference]: With dead ends: 107 [2020-08-18 21:55:18,638 INFO L226 Difference]: Without dead ends: 76 [2020-08-18 21:55:18,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-08-18 21:55:18,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-08-18 21:55:18,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-08-18 21:55:18,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-18 21:55:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-08-18 21:55:18,651 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 63 [2020-08-18 21:55:18,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:18,651 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-08-18 21:55:18,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 21:55:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-08-18 21:55:18,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 21:55:18,652 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:18,653 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] [2020-08-18 21:55:18,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-18 21:55:18,653 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:18,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:18,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1228040100, now seen corresponding path program 1 times [2020-08-18 21:55:18,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:18,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383436750] [2020-08-18 21:55:18,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-18 21:55:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:55:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:55:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:18,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:18,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383436750] [2020-08-18 21:55:18,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:18,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 21:55:18,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499369890] [2020-08-18 21:55:18,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 21:55:18,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:18,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 21:55:18,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:55:18,874 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 9 states. [2020-08-18 21:55:19,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:19,170 INFO L93 Difference]: Finished difference Result 141 states and 146 transitions. [2020-08-18 21:55:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 21:55:19,171 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-18 21:55:19,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:19,172 INFO L225 Difference]: With dead ends: 141 [2020-08-18 21:55:19,172 INFO L226 Difference]: Without dead ends: 134 [2020-08-18 21:55:19,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-08-18 21:55:19,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-18 21:55:19,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2020-08-18 21:55:19,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-08-18 21:55:19,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2020-08-18 21:55:19,190 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2020-08-18 21:55:19,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:19,190 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2020-08-18 21:55:19,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 21:55:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2020-08-18 21:55:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 21:55:19,191 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:19,191 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] [2020-08-18 21:55:19,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-18 21:55:19,192 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:19,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:19,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1291919834, now seen corresponding path program 1 times [2020-08-18 21:55:19,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:19,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786258493] [2020-08-18 21:55:19,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:19,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:19,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:19,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:19,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-18 21:55:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:19,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:55:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:19,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:55:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:19,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:19,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:19,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786258493] [2020-08-18 21:55:19,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:19,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 21:55:19,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267704587] [2020-08-18 21:55:19,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 21:55:19,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:19,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 21:55:19,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:55:19,542 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 12 states. [2020-08-18 21:55:19,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:19,891 INFO L93 Difference]: Finished difference Result 144 states and 149 transitions. [2020-08-18 21:55:19,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 21:55:19,891 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-08-18 21:55:19,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:19,893 INFO L225 Difference]: With dead ends: 144 [2020-08-18 21:55:19,893 INFO L226 Difference]: Without dead ends: 133 [2020-08-18 21:55:19,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-08-18 21:55:19,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-08-18 21:55:19,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-08-18 21:55:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-08-18 21:55:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 136 transitions. [2020-08-18 21:55:19,909 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 136 transitions. Word has length 63 [2020-08-18 21:55:19,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:19,910 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 136 transitions. [2020-08-18 21:55:19,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 21:55:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2020-08-18 21:55:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-08-18 21:55:19,912 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:55:19,912 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:55:19,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-18 21:55:19,913 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:55:19,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:55:19,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1154361885, now seen corresponding path program 1 times [2020-08-18 21:55:19,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:55:19,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872810296] [2020-08-18 21:55:19,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:55:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:20,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:55:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:20,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:55:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:20,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:20,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-18 21:55:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:20,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:55:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:55:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:20,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:55:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:20,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 21:55:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:55:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:55:20,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872810296] [2020-08-18 21:55:20,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:55:20,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-18 21:55:20,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55162551] [2020-08-18 21:55:20,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 21:55:20,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:55:20,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 21:55:20,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-08-18 21:55:20,166 INFO L87 Difference]: Start difference. First operand 133 states and 136 transitions. Second operand 11 states. [2020-08-18 21:55:20,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:55:20,355 INFO L93 Difference]: Finished difference Result 133 states and 136 transitions. [2020-08-18 21:55:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 21:55:20,355 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2020-08-18 21:55:20,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:55:20,356 INFO L225 Difference]: With dead ends: 133 [2020-08-18 21:55:20,356 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 21:55:20,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-08-18 21:55:20,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 21:55:20,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 21:55:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 21:55:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 21:55:20,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-08-18 21:55:20,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:55:20,357 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 21:55:20,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 21:55:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 21:55:20,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 21:55:20,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-18 21:55:20,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 21:55:21,218 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2020-08-18 21:55:21,461 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2020-08-18 21:55:21,895 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2020-08-18 21:55:21,999 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2020-08-18 21:55:22,232 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2020-08-18 21:55:22,414 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2020-08-18 21:55:22,690 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2020-08-18 21:55:22,900 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2020-08-18 21:55:23,172 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 50 [2020-08-18 21:55:23,537 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 38 [2020-08-18 21:55:23,715 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2020-08-18 21:55:23,958 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 53 [2020-08-18 21:55:24,155 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2020-08-18 21:55:24,295 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2020-08-18 21:55:24,698 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-08-18 21:55:24,879 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 50 [2020-08-18 21:55:25,008 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-08-18 21:55:25,168 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-08-18 21:55:25,288 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2020-08-18 21:55:25,526 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2020-08-18 21:55:25,699 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-08-18 21:55:25,811 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-08-18 21:55:25,973 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-08-18 21:55:26,251 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2020-08-18 21:55:26,402 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 54 [2020-08-18 21:55:26,556 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-08-18 21:55:26,660 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-08-18 21:55:26,800 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2020-08-18 21:55:26,851 INFO L264 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: (or (not (<= (+ ~s~0 2) ~SKIP1~0)) (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (<= 1 ~NP~0)) (not (= ~s~0 ~NP~0))) [2020-08-18 21:55:26,852 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-08-18 21:55:26,852 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-08-18 21:55:26,852 INFO L264 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: (or (not (<= (+ ~s~0 2) ~SKIP1~0)) (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (<= 1 ~NP~0)) (not (= ~s~0 ~NP~0))) [2020-08-18 21:55:26,853 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (not (<= (+ ~s~0 2) ~SKIP1~0)) (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (<= 1 ~NP~0)) (not (= ~s~0 ~NP~0))) [2020-08-18 21:55:26,853 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-08-18 21:55:26,853 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-08-18 21:55:26,853 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-08-18 21:55:26,853 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-08-18 21:55:26,853 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 35 48) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,854 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-08-18 21:55:26,854 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-08-18 21:55:26,854 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 49 70) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,854 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-08-18 21:55:26,854 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-08-18 21:55:26,854 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-08-18 21:55:26,854 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-08-18 21:55:26,855 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-08-18 21:55:26,855 INFO L264 CegarLoopResult]: At program point L382(lines 375 415) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,855 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-08-18 21:55:26,855 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-08-18 21:55:26,855 INFO L264 CegarLoopResult]: At program point L374(lines 367 416) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,855 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-08-18 21:55:26,855 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-08-18 21:55:26,855 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-08-18 21:55:26,855 INFO L264 CegarLoopResult]: At program point L351(lines 350 365) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= ~NP~0 1) (<= 0 main_~status~1) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= (+ ~NP~0 4) ~MPR1~0) (<= 1 ~NP~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,856 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-08-18 21:55:26,856 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-08-18 21:55:26,856 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-08-18 21:55:26,856 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-08-18 21:55:26,856 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-08-18 21:55:26,856 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (<= ~IPC~0 ~s~0) (<= 0 main_~status~1) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,856 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-08-18 21:55:26,857 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 286 420) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~Executive~0)| ~Executive~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~KernelMode~0 |old(~KernelMode~0)|) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,857 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-08-18 21:55:26,857 INFO L264 CegarLoopResult]: At program point L394(lines 385 412) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,857 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-08-18 21:55:26,857 INFO L264 CegarLoopResult]: At program point L353(lines 352 365) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (<= 0 main_~status~1) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,857 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-08-18 21:55:26,857 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-08-18 21:55:26,858 INFO L264 CegarLoopResult]: At program point L321(lines 295 419) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,858 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-08-18 21:55:26,858 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-08-18 21:55:26,858 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-08-18 21:55:26,858 INFO L264 CegarLoopResult]: At program point L330-2(lines 330 333) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= ~NP~0 1) (<= 0 main_~status~1) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= (+ ~NP~0 4) ~MPR1~0) (<= 1 ~NP~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,858 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (<= |old(~IPC~0)| |old(~s~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-08-18 21:55:26,858 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-08-18 21:55:26,858 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-08-18 21:55:26,859 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))) (or .cse0 .cse1 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-08-18 21:55:26,859 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-08-18 21:55:26,859 INFO L264 CegarLoopResult]: At program point L469(lines 442 497) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (let ((.cse2 (= ~MPR1~0 ~s~0))) (or (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (and .cse2 (= ~setEventCalled~0 1) (<= IofCallDriver_~returnVal2~0 259) (<= 259 IofCallDriver_~returnVal2~0)) (and (<= IofCallDriver_~returnVal2~0 0) .cse2) (not (<= 1 ~NP~0)))))) [2020-08-18 21:55:26,859 INFO L264 CegarLoopResult]: At program point L457(lines 456 471) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))))) [2020-08-18 21:55:26,859 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-08-18 21:55:26,860 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-08-18 21:55:26,860 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-08-18 21:55:26,860 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0)) (and (= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|))) (or .cse0 .cse1 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-08-18 21:55:26,860 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 435 498) the Hoare annotation is: (let ((.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse0 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse1 (= ~setEventCalled~0 |old(~setEventCalled~0)|))) (and (or (and .cse0 .cse1 (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))) (or .cse2 .cse3 (and .cse0 .cse1 (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-08-18 21:55:26,860 INFO L264 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or .cse0 .cse1 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))))) [2020-08-18 21:55:26,860 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-08-18 21:55:26,860 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-08-18 21:55:26,861 INFO L264 CegarLoopResult]: At program point L450(lines 449 472) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (= ~MPR1~0 ~s~0) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))))) [2020-08-18 21:55:26,861 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-08-18 21:55:26,861 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-08-18 21:55:26,861 INFO L264 CegarLoopResult]: At program point L455(lines 454 471) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0)))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (= ~MPR1~0 ~s~0) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))))) [2020-08-18 21:55:26,861 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-08-18 21:55:26,861 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-08-18 21:55:26,862 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~setEventCalled~0 1)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,862 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-08-18 21:55:26,862 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 421 434) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~setEventCalled~0 1)) (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,862 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-08-18 21:55:26,862 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:55:26,862 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~compRegistered~0 |old(~compRegistered~0)|) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP2~0 |old(~SKIP2~0)|) (= ~NP~0 |old(~NP~0)|) (= ~MPR3~0 |old(~MPR3~0)|) (= ~KernelMode~0 |old(~KernelMode~0)|) (= ~s~0 |old(~s~0)|) (= ~SKIP1~0 |old(~SKIP1~0)|) (= ~IPC~0 |old(~IPC~0)|) (= ~DC~0 |old(~DC~0)|) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~customIrp~0 |old(~customIrp~0)|) (= ~UNLOADED~0 |old(~UNLOADED~0)|) (= ~Executive~0 |old(~Executive~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) [2020-08-18 21:55:26,863 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:55:26,863 INFO L264 CegarLoopResult]: At program point L541(line 541) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse6 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~MPR3~0 |old(~s~0)|)) .cse6) (or .cse0 .cse1 .cse2 (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) .cse3 .cse4 .cse5 (not (= ~NP~0 |old(~s~0)|)) .cse6))) [2020-08-18 21:55:26,863 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-08-18 21:55:26,863 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-08-18 21:55:26,863 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-08-18 21:55:26,863 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-08-18 21:55:26,863 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-08-18 21:55:26,863 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-08-18 21:55:26,864 INFO L264 CegarLoopResult]: At program point L534(lines 526 545) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse6 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) .cse3 .cse4 .cse5 (not (= ~NP~0 |old(~s~0)|)) (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~MPR3~0 |old(~s~0)|)) .cse6))) [2020-08-18 21:55:26,864 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-08-18 21:55:26,864 INFO L264 CegarLoopResult]: At program point L551(lines 550 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse6 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (= ~s~0 ~NP~0) .cse4 .cse5 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~MPR3~0 |old(~s~0)|)) .cse6) (or .cse0 .cse1 .cse2 (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) .cse3 .cse4 .cse5 (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) .cse6))) [2020-08-18 21:55:26,864 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 521 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse6 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse7 (= |old(~customIrp~0)| ~customIrp~0)) (.cse8 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (and (= ~MPR3~0 ~s~0) .cse6 .cse7) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~MPR3~0 |old(~s~0)|)) .cse8) (or .cse0 .cse1 .cse2 (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) .cse3 .cse4 .cse5 (not (= ~NP~0 |old(~s~0)|)) (and .cse6 (= ~s~0 ~NP~0) .cse7) .cse8))) [2020-08-18 21:55:26,865 INFO L264 CegarLoopResult]: At program point L549(lines 548 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~NP~0 1))) (.cse2 (not (= |old(~setEventCalled~0)| 1))) (.cse3 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse6 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (= ~s~0 ~NP~0) .cse4 .cse5 (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (= ~MPR3~0 |old(~s~0)|)) .cse6) (or .cse0 .cse1 .cse2 (not (<= (+ |old(~s~0)| 2) ~SKIP1~0)) .cse3 .cse4 .cse5 (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) .cse6))) [2020-08-18 21:55:26,865 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0))) [2020-08-18 21:55:26,865 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-08-18 21:55:26,865 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 499 512) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (= ~s~0 |old(~s~0)|)) [2020-08-18 21:55:26,865 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-08-18 21:55:26,865 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-08-18 21:55:26,865 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:55:26,866 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (<= ~IPC~0 ~s~0) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) [2020-08-18 21:55:26,866 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 21:55:26,866 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:55:26,866 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (let ((.cse1 (<= 259 KbFilter_PnP_~status~0)) (.cse2 (= ~setEventCalled~0 1)) (.cse12 (<= 1 ~NP~0)) (.cse3 (<= 1 ~compRegistered~0)) (.cse13 (<= (+ ~NP~0 4) ~MPR1~0))) (let ((.cse0 (not (<= ~NP~0 1))) (.cse4 (not .cse13)) (.cse5 (not (<= ~pended~0 0))) (.cse6 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse8 (not (= ~NP~0 |old(~s~0)|))) (.cse7 (not (= |old(~compRegistered~0)| 0))) (.cse9 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse10 (and .cse1 .cse2 .cse13 (= ~s~0 |old(~s~0)|) .cse12 .cse3)) (.cse11 (not .cse12))) (and (or .cse0 (and (= ~MPR3~0 ~s~0) .cse1 .cse2 (= KbFilter_PnP_~__cil_tmp23~0 259) .cse3) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse4 .cse5 .cse6 .cse8 .cse7 .cse9 .cse10 .cse11 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0))))) [2020-08-18 21:55:26,866 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-08-18 21:55:26,866 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-08-18 21:55:26,866 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-08-18 21:55:26,867 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,867 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,867 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,867 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-08-18 21:55:26,867 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-08-18 21:55:26,867 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-08-18 21:55:26,868 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,868 INFO L264 CegarLoopResult]: At program point L185(lines 185 186) the Hoare annotation is: (let ((.cse0 (not (<= ~NP~0 1))) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse4 (not (= |old(~compRegistered~0)| 0))) (.cse5 (not (= ~NP~0 |old(~s~0)|))) (.cse6 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse7 (not (<= 1 ~NP~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= (+ ~myStatus~0 1073741637) 0) (not (<= (+ |old(~myStatus~0)| 1073741637) 0))))) [2020-08-18 21:55:26,868 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-08-18 21:55:26,868 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-08-18 21:55:26,868 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-08-18 21:55:26,868 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-08-18 21:55:26,868 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-08-18 21:55:26,868 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-08-18 21:55:26,869 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-08-18 21:55:26,869 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-08-18 21:55:26,869 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-08-18 21:55:26,869 INFO L264 CegarLoopResult]: At program point L104(lines 103 281) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,869 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-08-18 21:55:26,869 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-08-18 21:55:26,869 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 73 285) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,870 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,870 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-08-18 21:55:26,870 INFO L264 CegarLoopResult]: At program point L163(lines 109 279) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,870 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-08-18 21:55:26,870 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-08-18 21:55:26,870 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-08-18 21:55:26,870 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-08-18 21:55:26,870 INFO L264 CegarLoopResult]: At program point L255(lines 255 256) the Hoare annotation is: (or (not (<= ~NP~0 1)) (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,871 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-08-18 21:55:26,871 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-08-18 21:55:26,871 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-08-18 21:55:26,871 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-08-18 21:55:26,871 INFO L264 CegarLoopResult]: At program point L107(lines 106 280) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,871 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-08-18 21:55:26,871 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-08-18 21:55:26,871 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-08-18 21:55:26,871 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-08-18 21:55:26,872 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-08-18 21:55:26,872 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (not (<= ~NP~0 1)) (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,872 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-08-18 21:55:26,872 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-08-18 21:55:26,872 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-08-18 21:55:26,872 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-08-18 21:55:26,872 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-08-18 21:55:26,872 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-08-18 21:55:26,873 INFO L264 CegarLoopResult]: At program point L224(lines 224 225) the Hoare annotation is: (or (not (<= ~NP~0 1)) (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,873 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-08-18 21:55:26,873 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,873 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-08-18 21:55:26,873 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-08-18 21:55:26,873 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-08-18 21:55:26,873 INFO L264 CegarLoopResult]: At program point L101(lines 100 282) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~NP~0 1)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= 1 ~NP~0))) [2020-08-18 21:55:26,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:55:26 BoogieIcfgContainer [2020-08-18 21:55:26,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:55:26,913 INFO L168 Benchmark]: Toolchain (without parser) took 22351.47 ms. Allocated memory was 146.8 MB in the beginning and 477.1 MB in the end (delta: 330.3 MB). Free memory was 102.2 MB in the beginning and 217.0 MB in the end (delta: -114.7 MB). Peak memory consumption was 324.8 MB. Max. memory is 7.1 GB. [2020-08-18 21:55:26,914 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-18 21:55:26,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.14 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 102.0 MB in the beginning and 177.4 MB in the end (delta: -75.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2020-08-18 21:55:26,915 INFO L168 Benchmark]: Boogie Preprocessor took 49.10 ms. Allocated memory is still 202.4 MB. Free memory was 177.4 MB in the beginning and 175.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-08-18 21:55:26,915 INFO L168 Benchmark]: RCFGBuilder took 776.88 ms. Allocated memory is still 202.4 MB. Free memory was 175.4 MB in the beginning and 129.2 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2020-08-18 21:55:26,916 INFO L168 Benchmark]: TraceAbstraction took 21033.67 ms. Allocated memory was 202.4 MB in the beginning and 477.1 MB in the end (delta: 274.7 MB). Free memory was 128.5 MB in the beginning and 217.0 MB in the end (delta: -88.5 MB). Peak memory consumption was 295.5 MB. Max. memory is 7.1 GB. [2020-08-18 21:55:26,919 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 484.14 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 102.0 MB in the beginning and 177.4 MB in the end (delta: -75.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.10 ms. Allocated memory is still 202.4 MB. Free memory was 177.4 MB in the beginning and 175.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 776.88 ms. Allocated memory is still 202.4 MB. Free memory was 175.4 MB in the beginning and 129.2 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21033.67 ms. Allocated memory was 202.4 MB in the beginning and 477.1 MB in the end (delta: 274.7 MB). Free memory was 128.5 MB in the beginning and 217.0 MB in the end (delta: -88.5 MB). Peak memory consumption was 295.5 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(IPC) <= \old(s)) || !(\old(s) == \old(MPR3))) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || !(\old(s) == \old(MPR3))) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || 0 <= status) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(NP <= 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(1 <= NP) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(NP <= 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(1 <= NP) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((((!(1 <= compRegistered) || MPR1 == s) || !(NP <= 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(1 <= NP)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || ((setEventCalled == \old(setEventCalled) && s == NP) && \old(customIrp) == customIrp)) || !(1 <= NP)) && ((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP + 2 <= SKIP1)) || !(MPR3 == \old(s))) || !(1 <= NP)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(NP <= 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(1 <= NP) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((((!(1 <= compRegistered) || (MPR1 == s && setEventCalled == 1)) || !(NP <= 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(1 <= NP)) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || s == NP) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP + 2 <= SKIP1)) || !(MPR3 == \old(s))) || !(1 <= NP)) && (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || s == \old(s)) || !(1 <= NP)) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || (((MPR1 == s && setEventCalled == 1) && returnVal2 <= 259) && 259 <= returnVal2)) || (returnVal2 <= 0 && MPR1 == s)) || !(1 <= NP)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || s == NP) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP + 2 <= SKIP1)) || !(MPR3 == \old(s))) || !(1 <= NP)) && (((((((((!(1 <= compRegistered) || !(NP <= 1)) || !(\old(setEventCalled) == 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || s == \old(s)) || !(1 <= NP)) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || !(\old(s) == \old(MPR3))) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(NP <= 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(1 <= NP) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((((!(1 <= compRegistered) || MPR1 == s) || !(NP <= 1)) || !(\old(s) + 2 <= SKIP1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(1 <= NP)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || ((((((((NP + 2 <= SKIP1 && compRegistered == 0) && s == NP) && NP <= 1) && 0 <= status) && SKIP2 + 3 <= IPC) && NP + 4 <= MPR1) && 1 <= NP) && pended <= 0)) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((((((!(\old(IPC) <= \old(s)) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2162 SDtfs, 3407 SDslu, 2828 SDs, 0 SdLazy, 5133 SolverSat, 925 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 174 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred 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, 18 MinimizatonAttempts, 186 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 283 PreInvPairs, 349 NumberOfFragments, 3020 HoareAnnotationTreeSize, 283 FomulaSimplifications, 1712 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 7182 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 909 ConstructedInterpolants, 0 QuantifiedInterpolants, 205803 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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...