/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:04:30,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:04:30,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:04:31,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:04:31,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:04:31,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:04:31,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:04:31,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:04:31,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:04:31,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:04:31,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:04:31,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:04:31,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:04:31,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:04:31,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:04:31,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:04:31,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:04:31,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:04:31,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:04:31,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:04:31,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:04:31,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:04:31,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:04:31,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:04:31,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:04:31,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:04:31,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:04:31,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:04:31,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:04:31,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:04:31,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:04:31,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:04:31,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:04:31,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:04:31,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:04:31,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:04:31,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:04:31,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:04:31,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:04:31,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:04:31,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:04:31,076 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 [2020-10-13 08:04:31,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:04:31,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:04:31,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:04:31,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:04:31,122 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:04:31,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:04:31,122 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:04:31,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:04:31,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:04:31,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:04:31,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:04:31,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:04:31,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:04:31,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:04:31,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:04:31,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:04:31,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:04:31,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:04:31,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:04:31,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:04:31,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:04:31,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:04:31,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:04:31,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:04:31,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:04:31,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:04:31,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:04:31,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:04:31,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:04:31,129 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:04:31,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:04:31,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:04:31,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:04:31,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:04:31,435 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:04:31,436 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label51.c [2020-10-13 08:04:31,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb2a504a1/1796e309b2f3415babb8445d586039a6/FLAG7fe7f2c86 [2020-10-13 08:04:32,057 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:04:32,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label51.c [2020-10-13 08:04:32,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb2a504a1/1796e309b2f3415babb8445d586039a6/FLAG7fe7f2c86 [2020-10-13 08:04:32,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb2a504a1/1796e309b2f3415babb8445d586039a6 [2020-10-13 08:04:32,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:04:32,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:04:32,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:04:32,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:04:32,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:04:32,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:32" (1/1) ... [2020-10-13 08:04:32,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3696bfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:32, skipping insertion in model container [2020-10-13 08:04:32,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:32" (1/1) ... [2020-10-13 08:04:32,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:04:32,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:04:32,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:04:32,880 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:04:33,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:04:33,094 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:04:33,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:33 WrapperNode [2020-10-13 08:04:33,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:04:33,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:04:33,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:04:33,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:04:33,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:33" (1/1) ... [2020-10-13 08:04:33,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:33" (1/1) ... [2020-10-13 08:04:33,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:33" (1/1) ... [2020-10-13 08:04:33,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:33" (1/1) ... [2020-10-13 08:04:33,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:33" (1/1) ... [2020-10-13 08:04:33,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:33" (1/1) ... [2020-10-13 08:04:33,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:33" (1/1) ... [2020-10-13 08:04:33,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:04:33,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:04:33,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:04:33,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:04:33,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:33" (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 [2020-10-13 08:04:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:04:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:04:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:04:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:04:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:04:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:04:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:04:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:04:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:04:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:04:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:04:34,538 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:04:34,538 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:04:34,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:34 BoogieIcfgContainer [2020-10-13 08:04:34,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:04:34,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:04:34,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:04:34,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:04:34,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:04:32" (1/3) ... [2020-10-13 08:04:34,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0b8401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:34, skipping insertion in model container [2020-10-13 08:04:34,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:33" (2/3) ... [2020-10-13 08:04:34,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0b8401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:34, skipping insertion in model container [2020-10-13 08:04:34,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:34" (3/3) ... [2020-10-13 08:04:34,564 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label51.c [2020-10-13 08:04:34,573 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:04:34,581 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:04:34,593 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:04:34,619 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:04:34,619 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:04:34,619 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:04:34,619 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:04:34,619 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:04:34,620 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:04:34,620 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:04:34,620 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:04:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:04:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-13 08:04:34,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:34,656 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] [2020-10-13 08:04:34,656 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:34,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:34,662 INFO L82 PathProgramCache]: Analyzing trace with hash -689906609, now seen corresponding path program 1 times [2020-10-13 08:04:34,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:34,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [536489480] [2020-10-13 08:04:34,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:34,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:35,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:35,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-13 08:04:35,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-10-13 08:04:35,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:04:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:04:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 08:04:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:04:35,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:35,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:35,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:35,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:35,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:35,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:04:35,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:04:35,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:35,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:35,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [536489480] [2020-10-13 08:04:35,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:04:35,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:04:35,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43778054] [2020-10-13 08:04:35,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:04:35,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:35,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:04:35,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:04:35,467 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-13 08:04:36,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:36,925 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-13 08:04:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:36,927 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-10-13 08:04:36,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:36,943 INFO L225 Difference]: With dead ends: 581 [2020-10-13 08:04:36,944 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:04:36,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:36,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:04:37,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-13 08:04:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-13 08:04:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-13 08:04:37,024 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 56 [2020-10-13 08:04:37,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:37,025 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-13 08:04:37,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:04:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-13 08:04:37,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 08:04:37,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:37,032 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:37,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:04:37,033 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:37,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:37,033 INFO L82 PathProgramCache]: Analyzing trace with hash 371731122, now seen corresponding path program 1 times [2020-10-13 08:04:37,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:37,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250926253] [2020-10-13 08:04:37,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:37,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:37,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:37,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:37,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 08:04:37,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:04:37,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 799 [2020-10-13 08:04:37,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 08:04:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 08:04:37,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:37,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:37,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:37,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:37,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:37,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:37,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:37,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:37,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:37,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:37,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:38,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:38,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:38,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:38,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:38,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:04:38,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:38,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-13 08:04:38,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:04:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:38,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250926253] [2020-10-13 08:04:38,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:38,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:38,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652258024] [2020-10-13 08:04:38,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:38,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:38,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:38,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:38,220 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 5 states. [2020-10-13 08:04:39,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:39,491 INFO L93 Difference]: Finished difference Result 739 states and 1019 transitions. [2020-10-13 08:04:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:39,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-13 08:04:39,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:39,500 INFO L225 Difference]: With dead ends: 739 [2020-10-13 08:04:39,500 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:04:39,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:39,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:04:39,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:04:39,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:04:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 553 transitions. [2020-10-13 08:04:39,565 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 553 transitions. Word has length 126 [2020-10-13 08:04:39,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:39,565 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 553 transitions. [2020-10-13 08:04:39,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 553 transitions. [2020-10-13 08:04:39,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 08:04:39,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:39,571 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:39,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:04:39,572 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:39,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:39,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1345148817, now seen corresponding path program 1 times [2020-10-13 08:04:39,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:39,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380243957] [2020-10-13 08:04:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:39,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:39,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:39,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:41,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:41,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:04:41,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:41,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1451 [2020-10-13 08:04:41,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:41,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:41,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 08:04:41,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 08:04:41,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:41,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:41,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:41,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:41,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:41,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:41,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:41,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:41,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:41,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:41,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:41,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:41,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:41,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:41,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:41,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:04:41,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:04:41,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:41,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 08:04:41,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:41,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380243957] [2020-10-13 08:04:41,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:41,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:41,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342210622] [2020-10-13 08:04:41,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:41,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:41,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:41,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:41,314 INFO L87 Difference]: Start difference. First operand 443 states and 553 transitions. Second operand 5 states. [2020-10-13 08:04:42,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:42,409 INFO L93 Difference]: Finished difference Result 884 states and 1126 transitions. [2020-10-13 08:04:42,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:42,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-13 08:04:42,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:42,419 INFO L225 Difference]: With dead ends: 884 [2020-10-13 08:04:42,420 INFO L226 Difference]: Without dead ends: 882 [2020-10-13 08:04:42,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:42,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-13 08:04:42,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 590. [2020-10-13 08:04:42,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:04:42,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 783 transitions. [2020-10-13 08:04:42,446 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 783 transitions. Word has length 133 [2020-10-13 08:04:42,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:42,447 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 783 transitions. [2020-10-13 08:04:42,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 783 transitions. [2020-10-13 08:04:42,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-13 08:04:42,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:42,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:42,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:04:42,452 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:42,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:42,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1330273235, now seen corresponding path program 1 times [2020-10-13 08:04:42,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:42,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795691773] [2020-10-13 08:04:42,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:42,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:42,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:42,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:42,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:04:42,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:04:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-13 08:04:42,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 08:04:42,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:04:42,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:42,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:42,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:42,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:42,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:42,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:42,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:42,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:42,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:42,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:42,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:42,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:04:42,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-13 08:04:42,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:04:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:43,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795691773] [2020-10-13 08:04:43,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:43,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:43,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505292637] [2020-10-13 08:04:43,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:43,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:43,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:43,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:43,057 INFO L87 Difference]: Start difference. First operand 590 states and 783 transitions. Second operand 5 states. [2020-10-13 08:04:43,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:43,944 INFO L93 Difference]: Finished difference Result 1201 states and 1603 transitions. [2020-10-13 08:04:43,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:43,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-13 08:04:43,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:43,956 INFO L225 Difference]: With dead ends: 1201 [2020-10-13 08:04:43,956 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:04:43,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:43,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:04:43,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:04:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:04:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 780 transitions. [2020-10-13 08:04:43,988 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 780 transitions. Word has length 135 [2020-10-13 08:04:43,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:43,988 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 780 transitions. [2020-10-13 08:04:43,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 780 transitions. [2020-10-13 08:04:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-13 08:04:43,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:43,993 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:43,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:04:43,994 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:43,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:43,994 INFO L82 PathProgramCache]: Analyzing trace with hash 2078799626, now seen corresponding path program 1 times [2020-10-13 08:04:43,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:43,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491218125] [2020-10-13 08:04:43,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:44,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:44,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:44,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:45,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:45,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-13 08:04:45,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:45,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1379 [2020-10-13 08:04:45,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-13 08:04:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:04:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:45,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:45,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:45,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:45,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:45,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:45,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:45,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:45,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:45,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:45,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 08:04:45,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:45,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 08:04:45,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:45,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:45,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:45,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:04:45,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:45,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491218125] [2020-10-13 08:04:45,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:45,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:45,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037241226] [2020-10-13 08:04:45,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:45,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:45,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:45,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:45,687 INFO L87 Difference]: Start difference. First operand 590 states and 780 transitions. Second operand 5 states. [2020-10-13 08:04:46,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:46,595 INFO L93 Difference]: Finished difference Result 1196 states and 1590 transitions. [2020-10-13 08:04:46,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:46,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2020-10-13 08:04:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:46,601 INFO L225 Difference]: With dead ends: 1196 [2020-10-13 08:04:46,601 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:04:46,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:46,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:04:46,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:04:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:04:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 776 transitions. [2020-10-13 08:04:46,625 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 776 transitions. Word has length 178 [2020-10-13 08:04:46,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:46,626 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 776 transitions. [2020-10-13 08:04:46,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 776 transitions. [2020-10-13 08:04:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-13 08:04:46,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:46,629 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:46,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:04:46,630 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:46,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:46,630 INFO L82 PathProgramCache]: Analyzing trace with hash -777938788, now seen corresponding path program 1 times [2020-10-13 08:04:46,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:46,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375279816] [2020-10-13 08:04:46,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:46,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:46,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:47,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:49,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:51,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:51,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-13 08:04:51,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:04:51,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4486 [2020-10-13 08:04:51,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:51,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:51,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-13 08:04:51,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:04:51,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:51,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:51,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:51,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:51,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:51,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:51,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:51,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:51,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:51,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:51,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:51,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:51,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:51,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:51,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:51,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:04:51,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:51,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:04:51,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:51,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:51,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:04:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:51,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:51,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:51,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 08:04:51,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:51,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 08:04:51,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:51,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:51,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:51,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 08:04:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:51,475 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:04:51,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375279816] [2020-10-13 08:04:51,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:51,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:51,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841392534] [2020-10-13 08:04:51,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:51,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:51,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:51,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:51,477 INFO L87 Difference]: Start difference. First operand 590 states and 776 transitions. Second operand 5 states. [2020-10-13 08:04:52,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:52,339 INFO L93 Difference]: Finished difference Result 1194 states and 1579 transitions. [2020-10-13 08:04:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:52,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-10-13 08:04:52,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:52,344 INFO L225 Difference]: With dead ends: 1194 [2020-10-13 08:04:52,344 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:04:52,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:52,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:04:52,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:04:52,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:04:52,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 774 transitions. [2020-10-13 08:04:52,365 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 774 transitions. Word has length 215 [2020-10-13 08:04:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:52,366 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 774 transitions. [2020-10-13 08:04:52,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:52,366 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 774 transitions. [2020-10-13 08:04:52,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-13 08:04:52,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:52,370 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:52,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:04:52,370 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:52,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:52,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1953494540, now seen corresponding path program 1 times [2020-10-13 08:04:52,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:52,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626858445] [2020-10-13 08:04:52,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:52,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:52,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:54,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:56,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:57,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:57,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-13 08:04:57,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:04:57,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4658 [2020-10-13 08:04:57,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:57,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:57,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-13 08:04:57,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:04:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:57,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:57,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:57,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:57,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:57,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:57,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:57,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:57,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:57,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:57,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:57,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:04:57,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:57,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:04:57,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:57,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:57,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:57,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:57,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:57,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:04:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:57,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:57,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:57,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:04:57,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:57,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 08:04:57,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:04:57,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:04:57,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626858445] [2020-10-13 08:04:57,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:57,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:57,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15194111] [2020-10-13 08:04:57,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:57,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:57,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:57,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:57,336 INFO L87 Difference]: Start difference. First operand 590 states and 774 transitions. Second operand 5 states. [2020-10-13 08:04:58,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:58,177 INFO L93 Difference]: Finished difference Result 1193 states and 1574 transitions. [2020-10-13 08:04:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:58,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2020-10-13 08:04:58,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:58,182 INFO L225 Difference]: With dead ends: 1193 [2020-10-13 08:04:58,183 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:04:58,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:58,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:04:58,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:04:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:04:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 772 transitions. [2020-10-13 08:04:58,210 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 772 transitions. Word has length 223 [2020-10-13 08:04:58,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:58,210 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 772 transitions. [2020-10-13 08:04:58,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:58,210 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 772 transitions. [2020-10-13 08:04:58,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-13 08:04:58,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:58,219 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:58,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:04:58,220 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:58,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:58,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1895595301, now seen corresponding path program 1 times [2020-10-13 08:04:58,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:58,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571253787] [2020-10-13 08:04:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:58,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:58,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:58,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:59,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:03,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:03,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-13 08:05:03,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:05:03,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 08:05:03,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-10-13 08:05:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:05:03,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:03,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:03,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:03,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:03,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:03,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:03,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:03,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:03,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:03,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:03,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:03,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:03,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:05:03,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:03,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 08:05:03,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:03,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:03,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:05:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:03,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:03,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:03,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:05:03,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 08:05:03,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:03,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:03,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:05:03,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:03,703 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:05:03,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571253787] [2020-10-13 08:05:03,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:03,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:03,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289722103] [2020-10-13 08:05:03,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:03,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:03,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:03,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:03,706 INFO L87 Difference]: Start difference. First operand 590 states and 772 transitions. Second operand 5 states. [2020-10-13 08:05:04,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:04,885 INFO L93 Difference]: Finished difference Result 1192 states and 1569 transitions. [2020-10-13 08:05:04,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:04,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2020-10-13 08:05:04,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:04,894 INFO L225 Difference]: With dead ends: 1192 [2020-10-13 08:05:04,894 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:05:04,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:04,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:05:04,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:05:04,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:05:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 770 transitions. [2020-10-13 08:05:04,932 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 770 transitions. Word has length 252 [2020-10-13 08:05:04,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:04,933 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 770 transitions. [2020-10-13 08:05:04,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 770 transitions. [2020-10-13 08:05:04,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-13 08:05:04,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:04,943 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:04,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:05:04,943 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:04,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:04,944 INFO L82 PathProgramCache]: Analyzing trace with hash -139337169, now seen corresponding path program 1 times [2020-10-13 08:05:04,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:04,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357700277] [2020-10-13 08:05:04,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:05,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:05,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:05,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:07,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:07,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:09,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:09,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-13 08:05:09,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:05:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 08:05:09,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-10-13 08:05:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:05:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:10,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:10,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:10,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:10,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:10,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:10,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:10,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:10,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:10,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:10,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:10,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:05:10,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:10,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:05:10,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:10,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:10,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:10,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:10,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:10,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:05:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:10,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:10,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:10,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 08:05:10,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:10,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-13 08:05:10,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:10,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:10,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-13 08:05:10,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:05:10,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357700277] [2020-10-13 08:05:10,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:10,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:10,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215089739] [2020-10-13 08:05:10,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:10,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:10,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:10,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:10,479 INFO L87 Difference]: Start difference. First operand 590 states and 770 transitions. Second operand 5 states. [2020-10-13 08:05:11,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:11,577 INFO L93 Difference]: Finished difference Result 1190 states and 1563 transitions. [2020-10-13 08:05:11,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:11,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 258 [2020-10-13 08:05:11,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:11,583 INFO L225 Difference]: With dead ends: 1190 [2020-10-13 08:05:11,583 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:05:11,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:11,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:05:11,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:05:11,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:05:11,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 768 transitions. [2020-10-13 08:05:11,603 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 768 transitions. Word has length 258 [2020-10-13 08:05:11,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:11,603 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 768 transitions. [2020-10-13 08:05:11,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 768 transitions. [2020-10-13 08:05:11,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-13 08:05:11,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:11,608 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:11,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:05:11,609 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:11,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:11,609 INFO L82 PathProgramCache]: Analyzing trace with hash 488695627, now seen corresponding path program 1 times [2020-10-13 08:05:11,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:11,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492372130] [2020-10-13 08:05:11,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:11,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:11,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:11,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:14,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:16,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:16,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-13 08:05:16,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:05:16,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4486 [2020-10-13 08:05:16,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-13 08:05:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 08:05:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:16,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:16,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:16,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:16,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:16,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:16,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:16,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:16,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:16,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:16,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:16,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:16,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:16,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:05:16,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:16,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:05:16,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:16,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:16,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:05:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:16,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:16,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:16,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 08:05:16,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:16,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-13 08:05:16,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:16,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-13 08:05:16,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:05:16,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492372130] [2020-10-13 08:05:16,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:16,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:16,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396830279] [2020-10-13 08:05:16,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:16,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:16,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:16,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:16,543 INFO L87 Difference]: Start difference. First operand 590 states and 768 transitions. Second operand 5 states. [2020-10-13 08:05:17,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:17,244 INFO L93 Difference]: Finished difference Result 1186 states and 1555 transitions. [2020-10-13 08:05:17,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:17,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-10-13 08:05:17,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:17,251 INFO L225 Difference]: With dead ends: 1186 [2020-10-13 08:05:17,252 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:05:17,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:17,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:05:17,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:05:17,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:05:17,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 766 transitions. [2020-10-13 08:05:17,274 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 766 transitions. Word has length 260 [2020-10-13 08:05:17,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:17,275 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 766 transitions. [2020-10-13 08:05:17,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:17,275 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 766 transitions. [2020-10-13 08:05:17,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-13 08:05:17,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:17,280 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:17,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:05:17,280 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:17,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:17,281 INFO L82 PathProgramCache]: Analyzing trace with hash 791407375, now seen corresponding path program 1 times [2020-10-13 08:05:17,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:17,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798315498] [2020-10-13 08:05:17,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:17,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:17,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:17,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:18,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:22,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:22,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 08:05:22,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:05:22,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 08:05:22,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:22,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:05:22,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-13 08:05:22,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:05:22,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:22,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:22,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:22,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:22,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:22,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:22,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:22,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:22,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:22,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:22,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:22,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:22,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:05:22,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:22,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:05:22,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:22,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:22,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:05:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:22,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:22,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:22,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:05:22,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:22,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-13 08:05:22,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:05:22,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:05:22,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798315498] [2020-10-13 08:05:22,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:22,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:05:22,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507278801] [2020-10-13 08:05:22,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:05:22,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:22,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:05:22,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:05:22,958 INFO L87 Difference]: Start difference. First operand 590 states and 766 transitions. Second operand 8 states. [2020-10-13 08:05:23,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:23,935 INFO L93 Difference]: Finished difference Result 1056 states and 1346 transitions. [2020-10-13 08:05:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:05:23,936 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 274 [2020-10-13 08:05:23,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:23,937 INFO L225 Difference]: With dead ends: 1056 [2020-10-13 08:05:23,937 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:05:23,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:05:23,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:05:23,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:05:23,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:05:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:05:23,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 274 [2020-10-13 08:05:23,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:23,942 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:05:23,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:05:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:05:23,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:05:23,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:05:23,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:05:25,021 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 91 [2020-10-13 08:05:25,266 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-10-13 08:05:25,485 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-10-13 08:05:25,490 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:05:25,490 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-13 08:05:25,491 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:05:25,491 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:05:25,491 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,491 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,491 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,492 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,492 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,492 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,492 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:05:25,492 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:05:25,492 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:05:25,493 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:05:25,493 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:05:25,493 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:05:25,493 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:05:25,493 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:05:25,493 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:05:25,493 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:05:25,494 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:05:25,494 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,494 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,494 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,494 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,494 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,494 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:05:25,495 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:05:25,495 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:05:25,495 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:05:25,495 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:05:25,495 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:05:25,495 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:05:25,495 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:05:25,496 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:05:25,496 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:05:25,496 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:05:25,496 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:05:25,496 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:05:25,496 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-10-13 08:05:25,497 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:05:25,497 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,497 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,497 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,497 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,497 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,498 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:05:25,498 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:05:25,498 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:05:25,498 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:05:25,498 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:05:25,498 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:05:25,498 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:05:25,499 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:05:25,499 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:05:25,499 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:05:25,499 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,499 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,499 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,499 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,500 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,500 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:05:25,500 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:05:25,500 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:05:25,500 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:05:25,500 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:05:25,500 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:05:25,501 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:05:25,501 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:05:25,501 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:05:25,501 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:05:25,501 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:05:25,501 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:05:25,501 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:05:25,501 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,502 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,502 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,502 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,502 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,502 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:05:25,502 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:05:25,502 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:05:25,503 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:05:25,503 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:05:25,503 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:05:25,503 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:05:25,503 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:05:25,503 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:05:25,503 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,503 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,504 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,504 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,504 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,504 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,504 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,504 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:05:25,504 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:05:25,505 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:05:25,505 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:05:25,505 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:05:25,505 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:05:25,505 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:05:25,505 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:05:25,505 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:05:25,506 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:05:25,506 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:05:25,506 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:05:25,506 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:05:25,506 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,506 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,506 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,506 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,507 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:05:25,507 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,507 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,507 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:05:25,507 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:05:25,507 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:05:25,507 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:05:25,508 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:05:25,508 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:05:25,508 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:05:25,508 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:05:25,508 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:05:25,508 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:05:25,508 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:05:25,509 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:05:25,509 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:05:25,509 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,509 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,509 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,509 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,509 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,509 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,510 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:05:25,510 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:05:25,510 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:05:25,510 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:05:25,510 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:05:25,510 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:05:25,510 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:05:25,511 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:05:25,511 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:05:25,511 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:05:25,511 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:05:25,512 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse14 (= ~a1~0 |old(~a1~0)|)) (.cse15 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (not (<= |old(~a19~0)| 8))) (.cse3 (not (<= 8 |old(~a19~0)|))) (.cse5 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse14 .cse15)) (.cse8 (and .cse14 (= ~a19~0 |old(~a19~0)|) .cse15)) (.cse7 (not (<= |old(~a10~0)| 1))) (.cse0 (not (<= |old(~a10~0)| 4))) (.cse2 (not (<= 4 |old(~a10~0)|))) (.cse11 (not (<= 6 |old(~a19~0)|))) (.cse4 (not (= 14 ~a4~0))) (.cse9 (not (<= |old(~a1~0)| 33))) (.cse12 (not (<= |old(~a19~0)| 6))) (.cse13 (and (<= 6 ~a19~0) .cse14 (<= ~a19~0 6) .cse15)) (.cse10 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse6 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 (not (<= 331498 |old(~a1~0)|)) .cse3 .cse4 .cse5 .cse7 .cse6) (or (not (<= 221 |old(~a1~0)|)) (not (= |old(~a10~0)| 1)) .cse8 .cse4 (not (= 7 |old(~a19~0)|)) .cse6) (or (not (<= 9 |old(~a19~0)|)) .cse8) (or (not (<= |old(~a10~0)| 0)) .cse8) (or .cse8 (not (= 2 |old(~a10~0)|))) (or (not (<= |old(~a19~0)| 7)) (not (<= 7 |old(~a19~0)|)) .cse8 .cse4 .cse9 .cse10 .cse7 .cse6) (or .cse0 .cse11 (not (<= (+ |old(~a1~0)| 333899) 0)) .cse2 .cse4 .cse12 .cse13 .cse6) (or .cse11 (not (<= 3 |old(~a10~0)|)) .cse4 .cse9 .cse12 .cse13 .cse10 .cse6 (not (<= |old(~a10~0)| 3)))))) [2020-10-13 08:05:25,512 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:05:25,512 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:05:25,512 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:05:25,512 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,512 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,512 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,513 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,513 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,513 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,513 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:05:25,513 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:05:25,513 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:05:25,513 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:05:25,513 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:05:25,514 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:05:25,514 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:05:25,514 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:05:25,514 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:05:25,514 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:05:25,514 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:05:25,514 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:05:25,515 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:05:25,515 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,515 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,515 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,515 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,515 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,515 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,515 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:05:25,516 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:05:25,516 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:05:25,516 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:05:25,516 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:05:25,516 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:05:25,516 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:05:25,516 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:05:25,517 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:05:25,517 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:05:25,517 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:05:25,517 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:05:25,517 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,517 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,517 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,517 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,518 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,518 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:05:25,518 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:05:25,518 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:05:25,518 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:05:25,518 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:05:25,518 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:05:25,518 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:05:25,519 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:05:25,519 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:05:25,519 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:05:25,519 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:05:25,519 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:05:25,519 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:05:25,519 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:05:25,520 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0)) [2020-10-13 08:05:25,520 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:05:25,520 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:05:25,520 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-13 08:05:25,520 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:05:25,520 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~a1~0 12))) (.cse2 (<= ~a1~0 33)) (.cse5 (<= 8 ~a19~0)) (.cse4 (<= ~a10~0 1)) (.cse8 (<= 6 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse6 (<= 4 ~a10~0)) (.cse7 (<= ~a10~0 4)) (.cse3 (= ~a12~0 0)) (.cse9 (<= ~a19~0 6))) (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (and .cse0 (<= ~a19~0 7) .cse1 (<= 7 ~a19~0) .cse2 .cse3 .cse4) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (and .cse5 .cse1 .cse6 .cse7 .cse3) (= ~a10~0 2) (and (= ~a10~0 1) (= 7 ~a19~0) .cse1 .cse3 (<= 221 ~a1~0)) (and .cse0 (<= 3 ~a10~0) .cse8 .cse1 .cse2 .cse3 .cse9 (<= ~a10~0 3)) (and (<= 331498 ~a1~0) .cse5 .cse1 .cse3 .cse4) (and (<= (+ ~a1~0 333899) 0) .cse8 .cse1 .cse6 .cse7 .cse3 .cse9))) [2020-10-13 08:05:25,521 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:05:25,521 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:05:25,521 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~a1~0 12))) (.cse2 (<= ~a1~0 33)) (.cse5 (<= 8 ~a19~0)) (.cse4 (<= ~a10~0 1)) (.cse8 (<= 6 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse6 (<= 4 ~a10~0)) (.cse7 (<= ~a10~0 4)) (.cse3 (= ~a12~0 0)) (.cse9 (<= ~a19~0 6))) (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (and .cse0 (<= ~a19~0 7) .cse1 (<= 7 ~a19~0) .cse2 .cse3 .cse4) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (and .cse5 .cse1 .cse6 .cse7 .cse3) (= ~a10~0 2) (and (= ~a10~0 1) (= 7 ~a19~0) .cse1 .cse3 (<= 221 ~a1~0)) (and .cse0 (<= 3 ~a10~0) .cse8 .cse1 .cse2 .cse3 .cse9 (<= ~a10~0 3)) (and (<= 331498 ~a1~0) .cse5 .cse1 .cse3 .cse4) (and (<= (+ ~a1~0 333899) 0) .cse8 .cse1 .cse6 .cse7 .cse3 .cse9))) [2020-10-13 08:05:25,521 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:05:25,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:05:25 BoogieIcfgContainer [2020-10-13 08:05:25,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:05:25,548 INFO L168 Benchmark]: Toolchain (without parser) took 53255.66 ms. Allocated memory was 145.8 MB in the beginning and 930.1 MB in the end (delta: 784.3 MB). Free memory was 100.4 MB in the beginning and 814.0 MB in the end (delta: -713.5 MB). Peak memory consumption was 805.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,549 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.21 ms. Allocated memory was 145.8 MB in the beginning and 205.0 MB in the end (delta: 59.2 MB). Free memory was 100.2 MB in the beginning and 171.0 MB in the end (delta: -70.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,550 INFO L168 Benchmark]: Boogie Preprocessor took 123.43 ms. Allocated memory is still 205.0 MB. Free memory was 171.0 MB in the beginning and 165.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,551 INFO L168 Benchmark]: RCFGBuilder took 1326.47 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 165.9 MB in the beginning and 182.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,552 INFO L168 Benchmark]: TraceAbstraction took 50993.92 ms. Allocated memory was 237.0 MB in the beginning and 930.1 MB in the end (delta: 693.1 MB). Free memory was 180.7 MB in the beginning and 814.0 MB in the end (delta: -633.3 MB). Peak memory consumption was 794.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:05:25,556 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 802.21 ms. Allocated memory was 145.8 MB in the beginning and 205.0 MB in the end (delta: 59.2 MB). Free memory was 100.2 MB in the beginning and 171.0 MB in the end (delta: -70.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.43 ms. Allocated memory is still 205.0 MB. Free memory was 171.0 MB in the beginning and 165.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1326.47 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 165.9 MB in the beginning and 182.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 50993.92 ms. Allocated memory was 237.0 MB in the beginning and 930.1 MB in the end (delta: 693.1 MB). Free memory was 180.7 MB in the beginning and 814.0 MB in the end (delta: -633.3 MB). Peak memory consumption was 794.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((a10 <= 0 || !(\old(a10) <= 0)) || ((((((0 <= a1 + 12 && a19 <= 7) && 14 == a4) && 7 <= a19) && a1 <= 33) && a12 == 0) && a10 <= 1)) || !(9 <= \old(a19))) || 9 <= a19) || ((((8 <= a19 && 14 == a4) && 4 <= a10) && a10 <= 4) && a12 == 0)) || a10 == 2) || ((((a10 == 1 && 7 == a19) && 14 == a4) && a12 == 0) && 221 <= a1)) || (((((((0 <= a1 + 12 && 3 <= a10) && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6) && a10 <= 3)) || ((((331498 <= a1 && 8 <= a19) && 14 == a4) && a12 == 0) && a10 <= 1)) || ((((((a1 + 333899 <= 0 && 6 <= a19) && 14 == a4) && 4 <= a10) && a10 <= 4) && a12 == 0) && a19 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 49.3s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 2469 SDslu, 194 SDs, 0 SdLazy, 6506 SolverSat, 395 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 79 SyntacticMatches, 7 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=590occurred 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, 11 MinimizatonAttempts, 328 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 53 PreInvPairs, 77 NumberOfFragments, 626 HoareAnnotationTreeSize, 53 FomulaSimplifications, 199831 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 605 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 36.2s InterpolantComputationTime, 2110 NumberOfCodeBlocks, 2110 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2099 ConstructedInterpolants, 0 QuantifiedInterpolants, 1180627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 1230/1246 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...