/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:25:33,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:25:33,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:25:33,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:25:33,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:25:33,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:25:33,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:25:33,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:25:33,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:25:33,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:25:33,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:25:33,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:25:33,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:25:33,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:25:33,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:25:33,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:25:33,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:25:33,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:25:33,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:25:33,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:25:33,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:25:33,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:25:33,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:25:33,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:25:33,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:25:33,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:25:33,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:25:33,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:25:33,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:25:33,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:25:33,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:25:33,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:25:33,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:25:33,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:25:33,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:25:33,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:25:33,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:25:33,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:25:33,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:25:33,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:25:33,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:25:33,129 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 [2020-09-21 11:25:33,157 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:25:33,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:25:33,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:25:33,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:25:33,160 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:25:33,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:25:33,160 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:25:33,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:25:33,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:25:33,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:25:33,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:25:33,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:25:33,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:25:33,161 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:25:33,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:25:33,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:25:33,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:25:33,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:25:33,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:25:33,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:25:33,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:25:33,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:25:33,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:25:33,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:25:33,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:25:33,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:25:33,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:25:33,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:25:33,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:25:33,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:25:33,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:25:33,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:25:33,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:25:33,676 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:25:33,678 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:25:33,679 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-09-21 11:25:33,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf7f6aa10/200f35aaa6334b43b11e2adac66f3e18/FLAGee0978e44 [2020-09-21 11:25:34,433 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:25:34,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-09-21 11:25:34,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf7f6aa10/200f35aaa6334b43b11e2adac66f3e18/FLAGee0978e44 [2020-09-21 11:25:34,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf7f6aa10/200f35aaa6334b43b11e2adac66f3e18 [2020-09-21 11:25:34,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:25:34,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:25:34,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:25:34,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:25:34,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:25:34,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:25:34" (1/1) ... [2020-09-21 11:25:34,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763ad0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:34, skipping insertion in model container [2020-09-21 11:25:34,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:25:34" (1/1) ... [2020-09-21 11:25:34,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:25:34,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:25:35,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:25:35,249 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:25:35,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:25:35,503 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:25:35,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:35 WrapperNode [2020-09-21 11:25:35,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:25:35,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:25:35,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:25:35,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:25:35,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:35" (1/1) ... [2020-09-21 11:25:35,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:35" (1/1) ... [2020-09-21 11:25:35,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:35" (1/1) ... [2020-09-21 11:25:35,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:35" (1/1) ... [2020-09-21 11:25:35,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:35" (1/1) ... [2020-09-21 11:25:35,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:35" (1/1) ... [2020-09-21 11:25:35,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:35" (1/1) ... [2020-09-21 11:25:35,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:25:35,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:25:35,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:25:35,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:25:35,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:35" (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 [2020-09-21 11:25:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:25:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:25:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:25:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:25:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:25:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:25:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:25:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:25:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:25:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:25:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:25:36,979 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:25:36,980 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:25:36,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:25:36 BoogieIcfgContainer [2020-09-21 11:25:36,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:25:36,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:25:36,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:25:37,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:25:37,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:25:34" (1/3) ... [2020-09-21 11:25:37,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eaa5ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:25:37, skipping insertion in model container [2020-09-21 11:25:37,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:35" (2/3) ... [2020-09-21 11:25:37,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eaa5ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:25:37, skipping insertion in model container [2020-09-21 11:25:37,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:25:36" (3/3) ... [2020-09-21 11:25:37,005 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2020-09-21 11:25:37,018 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:25:37,032 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:25:37,057 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:25:37,103 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:25:37,104 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:25:37,104 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:25:37,104 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:25:37,104 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:25:37,104 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:25:37,104 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:25:37,105 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:25:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 11:25:37,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:25:37,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:37,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:37,161 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:37,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:37,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1049075015, now seen corresponding path program 1 times [2020-09-21 11:25:37,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:37,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653391522] [2020-09-21 11:25:37,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:37,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:37,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:37,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:37,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:37,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-21 11:25:37,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:37,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 11:25:37,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-21 11:25:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:37,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:37,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:37,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:37,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:37,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:37,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:37,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:37,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:25:37,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:37,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:37,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:37,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653391522] [2020-09-21 11:25:37,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:25:37,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:25:37,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544992363] [2020-09-21 11:25:37,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:25:37,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:37,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:25:37,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:25:37,874 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-09-21 11:25:39,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:39,493 INFO L93 Difference]: Finished difference Result 649 states and 1102 transitions. [2020-09-21 11:25:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:39,497 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2020-09-21 11:25:39,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:39,538 INFO L225 Difference]: With dead ends: 649 [2020-09-21 11:25:39,539 INFO L226 Difference]: Without dead ends: 339 [2020-09-21 11:25:39,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:39,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-09-21 11:25:39,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 328. [2020-09-21 11:25:39,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-21 11:25:39,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 471 transitions. [2020-09-21 11:25:39,661 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 471 transitions. Word has length 99 [2020-09-21 11:25:39,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:39,662 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 471 transitions. [2020-09-21 11:25:39,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:25:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 471 transitions. [2020-09-21 11:25:39,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-09-21 11:25:39,669 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:39,669 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:39,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:25:39,670 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:39,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:39,671 INFO L82 PathProgramCache]: Analyzing trace with hash -757003706, now seen corresponding path program 1 times [2020-09-21 11:25:39,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:39,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472859781] [2020-09-21 11:25:39,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:39,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:39,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:39,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:39,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:39,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:25:39,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:39,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:25:39,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:25:39,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:39,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:39,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:39,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:39,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:39,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:39,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:39,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:39,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:39,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:39,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:39,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:39,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:39,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:39,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:39,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:39,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:25:39,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:25:39,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:39,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:39,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:39,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:25:39,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:40,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472859781] [2020-09-21 11:25:40,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:25:40,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:25:40,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744893832] [2020-09-21 11:25:40,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:25:40,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:40,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:25:40,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:25:40,006 INFO L87 Difference]: Start difference. First operand 328 states and 471 transitions. Second operand 8 states. [2020-09-21 11:25:42,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:42,771 INFO L93 Difference]: Finished difference Result 1268 states and 1897 transitions. [2020-09-21 11:25:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:25:42,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2020-09-21 11:25:42,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:42,784 INFO L225 Difference]: With dead ends: 1268 [2020-09-21 11:25:42,784 INFO L226 Difference]: Without dead ends: 946 [2020-09-21 11:25:42,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:25:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-09-21 11:25:42,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 927. [2020-09-21 11:25:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2020-09-21 11:25:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1250 transitions. [2020-09-21 11:25:42,855 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1250 transitions. Word has length 111 [2020-09-21 11:25:42,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:42,855 INFO L479 AbstractCegarLoop]: Abstraction has 927 states and 1250 transitions. [2020-09-21 11:25:42,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:25:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1250 transitions. [2020-09-21 11:25:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-21 11:25:42,866 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:42,867 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:42,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:25:42,867 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:42,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:42,868 INFO L82 PathProgramCache]: Analyzing trace with hash -514832720, now seen corresponding path program 1 times [2020-09-21 11:25:42,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:42,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167423430] [2020-09-21 11:25:42,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:42,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:42,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:42,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:42,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:42,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-21 11:25:42,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:42,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:25:42,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:42,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:42,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:25:42,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-21 11:25:42,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:43,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:43,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:43,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:43,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:43,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:43,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:43,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:43,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:43,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:43,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:43,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:43,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:43,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:43,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:43,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:43,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:43,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:43,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:25:43,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:43,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:43,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:25:43,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:43,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167423430] [2020-09-21 11:25:43,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:43,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:43,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435138102] [2020-09-21 11:25:43,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:43,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:43,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:43,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:43,164 INFO L87 Difference]: Start difference. First operand 927 states and 1250 transitions. Second operand 5 states. [2020-09-21 11:25:44,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:44,743 INFO L93 Difference]: Finished difference Result 2744 states and 3818 transitions. [2020-09-21 11:25:44,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:44,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-09-21 11:25:44,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:44,756 INFO L225 Difference]: With dead ends: 2744 [2020-09-21 11:25:44,756 INFO L226 Difference]: Without dead ends: 1823 [2020-09-21 11:25:44,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2020-09-21 11:25:44,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1665. [2020-09-21 11:25:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1665 states. [2020-09-21 11:25:44,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2234 transitions. [2020-09-21 11:25:44,852 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2234 transitions. Word has length 112 [2020-09-21 11:25:44,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:44,853 INFO L479 AbstractCegarLoop]: Abstraction has 1665 states and 2234 transitions. [2020-09-21 11:25:44,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2234 transitions. [2020-09-21 11:25:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-21 11:25:44,877 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:44,877 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:44,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:25:44,882 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:44,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:44,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1326569163, now seen corresponding path program 1 times [2020-09-21 11:25:44,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:44,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786923543] [2020-09-21 11:25:44,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:44,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:44,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:44,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:44,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:44,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-21 11:25:44,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:25:44,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:25:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-21 11:25:44,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:45,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:45,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:45,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:45,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:45,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:45,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:45,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:45,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:45,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:45,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:45,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:45,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:45,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:45,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:45,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:45,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:45,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:45,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:45,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:25:45,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:45,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:45,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:45,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:45,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:45,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:25:45,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 11:25:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:45,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:45,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:45,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:45,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:45,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:25:45,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:45,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:25:45,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:45,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:45,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:25:45,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:25:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:25:45,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786923543] [2020-09-21 11:25:45,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:45,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:45,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644181439] [2020-09-21 11:25:45,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:45,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:45,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:45,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:45,231 INFO L87 Difference]: Start difference. First operand 1665 states and 2234 transitions. Second operand 5 states. [2020-09-21 11:25:46,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:46,341 INFO L93 Difference]: Finished difference Result 3914 states and 5351 transitions. [2020-09-21 11:25:46,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:46,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-09-21 11:25:46,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:46,357 INFO L225 Difference]: With dead ends: 3914 [2020-09-21 11:25:46,358 INFO L226 Difference]: Without dead ends: 2255 [2020-09-21 11:25:46,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:46,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2020-09-21 11:25:46,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 2251. [2020-09-21 11:25:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2251 states. [2020-09-21 11:25:46,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 2954 transitions. [2020-09-21 11:25:46,450 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 2954 transitions. Word has length 120 [2020-09-21 11:25:46,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:46,451 INFO L479 AbstractCegarLoop]: Abstraction has 2251 states and 2954 transitions. [2020-09-21 11:25:46,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2954 transitions. [2020-09-21 11:25:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-21 11:25:46,457 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:46,458 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2020-09-21 11:25:46,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:25:46,458 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:46,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:46,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1059750232, now seen corresponding path program 1 times [2020-09-21 11:25:46,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:46,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088712841] [2020-09-21 11:25:46,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:46,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:25:46,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-21 11:25:46,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-21 11:25:46,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:46,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-21 11:25:46,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:46,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:25:46,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:25:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-21 11:25:46,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:46,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:46,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:46,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:46,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:46,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:46,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:46,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:46,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:46,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:46,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:46,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:46,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:46,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:46,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:46,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:46,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:46,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:46,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:46,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:25:46,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:46,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:46,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:46,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:46,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:25:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:46,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:46,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:46,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:46,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:46,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:25:46,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:46,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:46,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:25:46,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-21 11:25:46,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088712841] [2020-09-21 11:25:46,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:46,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:46,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527397046] [2020-09-21 11:25:46,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:46,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:46,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:46,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:46,768 INFO L87 Difference]: Start difference. First operand 2251 states and 2954 transitions. Second operand 5 states. [2020-09-21 11:25:48,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:48,161 INFO L93 Difference]: Finished difference Result 5680 states and 7535 transitions. [2020-09-21 11:25:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:48,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-09-21 11:25:48,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:48,185 INFO L225 Difference]: With dead ends: 5680 [2020-09-21 11:25:48,185 INFO L226 Difference]: Without dead ends: 3435 [2020-09-21 11:25:48,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:48,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3435 states. [2020-09-21 11:25:48,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3435 to 2996. [2020-09-21 11:25:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2996 states. [2020-09-21 11:25:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2996 states and 3876 transitions. [2020-09-21 11:25:48,315 INFO L78 Accepts]: Start accepts. Automaton has 2996 states and 3876 transitions. Word has length 134 [2020-09-21 11:25:48,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:48,315 INFO L479 AbstractCegarLoop]: Abstraction has 2996 states and 3876 transitions. [2020-09-21 11:25:48,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 3876 transitions. [2020-09-21 11:25:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-21 11:25:48,327 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:48,327 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-09-21 11:25:48,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:25:48,327 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:48,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:48,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1462241987, now seen corresponding path program 1 times [2020-09-21 11:25:48,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:48,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [851967264] [2020-09-21 11:25:48,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:48,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:25:48,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -14 [2020-09-21 11:25:48,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 14 [2020-09-21 11:25:48,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:48,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-09-21 11:25:48,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:48,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:25:48,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:25:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:25:48,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:48,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:48,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:48,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:48,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:48,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:48,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:48,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:48,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:48,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:48,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:48,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:48,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:48,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:48,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:48,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:48,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:48,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:25:48,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:48,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:48,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:25:48,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:48,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 11:25:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:48,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:48,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:48,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:48,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:48,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:25:48,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:48,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:25:48,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:48,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:48,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:48,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:25:48,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:48,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-21 11:25:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:48,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:48,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:48,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:48,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:48,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:25:48,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:48,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:48,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:48,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:48,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:25:48,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:48,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 46 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:25:48,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [851967264] [2020-09-21 11:25:48,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:48,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:25:48,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784965488] [2020-09-21 11:25:48,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:25:48,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:48,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:25:48,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:25:48,640 INFO L87 Difference]: Start difference. First operand 2996 states and 3876 transitions. Second operand 8 states. [2020-09-21 11:25:51,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:51,144 INFO L93 Difference]: Finished difference Result 6765 states and 8960 transitions. [2020-09-21 11:25:51,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:25:51,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2020-09-21 11:25:51,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:51,164 INFO L225 Difference]: With dead ends: 6765 [2020-09-21 11:25:51,165 INFO L226 Difference]: Without dead ends: 3775 [2020-09-21 11:25:51,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:25:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3775 states. [2020-09-21 11:25:51,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3775 to 3612. [2020-09-21 11:25:51,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3612 states. [2020-09-21 11:25:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 3612 states and 4366 transitions. [2020-09-21 11:25:51,315 INFO L78 Accepts]: Start accepts. Automaton has 3612 states and 4366 transitions. Word has length 145 [2020-09-21 11:25:51,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:51,315 INFO L479 AbstractCegarLoop]: Abstraction has 3612 states and 4366 transitions. [2020-09-21 11:25:51,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:25:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3612 states and 4366 transitions. [2020-09-21 11:25:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-21 11:25:51,328 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:51,328 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:25:51,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:25:51,328 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:51,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:51,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1369132781, now seen corresponding path program 1 times [2020-09-21 11:25:51,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:51,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559215988] [2020-09-21 11:25:51,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:51,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:51,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:51,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:51,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:51,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-09-21 11:25:51,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:51,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:25:51,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:51,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:51,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 11:25:51,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:25:51,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:51,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:51,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:51,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:51,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:51,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:51,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:51,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:51,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:51,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:51,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:51,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:51,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:51,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:51,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:51,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:51,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:51,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:51,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:51,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:25:51,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:51,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:51,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:25:51,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:51,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:25:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:51,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:51,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:51,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:51,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:51,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:25:51,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:51,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:25:51,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:51,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:51,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:25:51,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:51,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:25:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:51,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:51,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:51,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:51,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:51,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:25:51,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:51,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:51,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:25:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:51,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-21 11:25:51,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559215988] [2020-09-21 11:25:51,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:51,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:25:51,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486237895] [2020-09-21 11:25:51,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:25:51,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:51,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:25:51,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:51,559 INFO L87 Difference]: Start difference. First operand 3612 states and 4366 transitions. Second operand 7 states. [2020-09-21 11:25:54,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:54,181 INFO L93 Difference]: Finished difference Result 10372 states and 13289 transitions. [2020-09-21 11:25:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:25:54,182 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2020-09-21 11:25:54,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:54,235 INFO L225 Difference]: With dead ends: 10372 [2020-09-21 11:25:54,235 INFO L226 Difference]: Without dead ends: 6622 [2020-09-21 11:25:54,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:25:54,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6622 states. [2020-09-21 11:25:54,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6622 to 6157. [2020-09-21 11:25:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6157 states. [2020-09-21 11:25:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6157 states to 6157 states and 7638 transitions. [2020-09-21 11:25:54,523 INFO L78 Accepts]: Start accepts. Automaton has 6157 states and 7638 transitions. Word has length 157 [2020-09-21 11:25:54,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:54,523 INFO L479 AbstractCegarLoop]: Abstraction has 6157 states and 7638 transitions. [2020-09-21 11:25:54,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:25:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 6157 states and 7638 transitions. [2020-09-21 11:25:54,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-21 11:25:54,555 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:54,555 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:25:54,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:25:54,555 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:54,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:54,556 INFO L82 PathProgramCache]: Analyzing trace with hash -2079649815, now seen corresponding path program 1 times [2020-09-21 11:25:54,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:54,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116512482] [2020-09-21 11:25:54,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:25:54,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -25 [2020-09-21 11:25:54,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 25 [2020-09-21 11:25:54,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-09-21 11:25:54,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:25:54,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:54,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 11:25:54,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:25:54,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:54,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:54,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:54,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:54,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:54,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:54,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:54,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:54,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:54,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:54,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:54,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:54,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:54,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:25:54,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:25:54,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:25:54,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:54,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:25:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:54,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:54,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:54,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:25:54,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:25:54,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:25:54,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:54,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:25:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:54,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:54,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:54,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:25:54,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:54,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:54,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:25:54,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:54,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-21 11:25:54,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116512482] [2020-09-21 11:25:54,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:54,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:25:54,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236419098] [2020-09-21 11:25:54,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:25:54,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:54,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:25:54,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:54,835 INFO L87 Difference]: Start difference. First operand 6157 states and 7638 transitions. Second operand 7 states. [2020-09-21 11:25:56,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:56,572 INFO L93 Difference]: Finished difference Result 13793 states and 17408 transitions. [2020-09-21 11:25:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:25:56,572 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-09-21 11:25:56,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:56,625 INFO L225 Difference]: With dead ends: 13793 [2020-09-21 11:25:56,626 INFO L226 Difference]: Without dead ends: 7646 [2020-09-21 11:25:56,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:25:56,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7646 states. [2020-09-21 11:25:56,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7646 to 7485. [2020-09-21 11:25:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7485 states. [2020-09-21 11:25:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7485 states to 7485 states and 9272 transitions. [2020-09-21 11:25:56,857 INFO L78 Accepts]: Start accepts. Automaton has 7485 states and 9272 transitions. Word has length 160 [2020-09-21 11:25:56,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:56,858 INFO L479 AbstractCegarLoop]: Abstraction has 7485 states and 9272 transitions. [2020-09-21 11:25:56,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:25:56,858 INFO L276 IsEmpty]: Start isEmpty. Operand 7485 states and 9272 transitions. [2020-09-21 11:25:56,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-21 11:25:56,877 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:56,878 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:56,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:25:56,878 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:56,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:56,879 INFO L82 PathProgramCache]: Analyzing trace with hash 62261586, now seen corresponding path program 1 times [2020-09-21 11:25:56,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:56,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748578834] [2020-09-21 11:25:56,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:56,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:56,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:56,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:56,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:56,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-09-21 11:25:56,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:56,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:25:56,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:25:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:25:56,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:57,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:57,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:57,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:57,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:57,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:57,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:57,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:57,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:57,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:57,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:57,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:57,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:57,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:57,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:57,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:57,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:25:57,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:57,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:57,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:25:57,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:57,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:25:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:57,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:57,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:57,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:57,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:57,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:25:57,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:57,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:57,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:57,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:57,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:25:57,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:57,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:25:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:57,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:57,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:57,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:57,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:57,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:25:57,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:57,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:25:57,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:25:57,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:25:57,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748578834] [2020-09-21 11:25:57,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:57,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:25:57,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077260432] [2020-09-21 11:25:57,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:25:57,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:57,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:25:57,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:57,330 INFO L87 Difference]: Start difference. First operand 7485 states and 9272 transitions. Second operand 7 states. [2020-09-21 11:25:58,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:58,712 INFO L93 Difference]: Finished difference Result 14388 states and 18488 transitions. [2020-09-21 11:25:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:25:58,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 170 [2020-09-21 11:25:58,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:58,713 INFO L225 Difference]: With dead ends: 14388 [2020-09-21 11:25:58,713 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:25:58,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:25:58,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:25:58,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:25:58,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:25:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:25:58,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2020-09-21 11:25:58,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:58,763 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:25:58,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:25:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:25:58,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:25:58,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:25:58,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:26:02,671 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 106 [2020-09-21 11:26:03,102 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 106 [2020-09-21 11:26:03,784 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 45 [2020-09-21 11:26:04,039 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 33 [2020-09-21 11:26:04,284 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 33 [2020-09-21 11:26:04,289 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:04,290 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 11:26:04,290 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:04,290 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,290 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,291 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,291 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,291 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,291 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 11:26:04,292 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 11:26:04,292 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 11:26:04,292 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 11:26:04,292 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 11:26:04,292 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:26:04,292 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 11:26:04,292 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 11:26:04,292 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 11:26:04,293 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:26:04,294 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:26:04,294 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:26:04,294 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 11:26:04,294 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 11:26:04,294 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 11:26:04,294 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:04,294 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:04,294 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 11:26:04,295 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 11:26:04,295 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 11:26:04,295 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:04,295 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:04,295 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 11:26:04,295 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,296 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,296 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,296 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,296 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,296 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2020-09-21 11:26:04,296 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:04,296 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 11:26:04,297 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:04,297 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:26:04,297 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 11:26:04,297 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 11:26:04,297 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 11:26:04,297 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 11:26:04,297 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 11:26:04,297 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 11:26:04,298 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 11:26:04,298 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,298 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,298 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,298 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,298 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,298 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 11:26:04,299 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 11:26:04,299 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 11:26:04,299 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:26:04,299 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:26:04,299 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 11:26:04,299 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 11:26:04,299 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 11:26:04,300 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 11:26:04,300 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 11:26:04,300 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 11:26:04,300 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 11:26:04,300 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 11:26:04,300 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,300 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,300 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,301 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,301 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,301 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 11:26:04,301 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:26:04,301 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 11:26:04,301 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 11:26:04,301 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:26:04,301 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 11:26:04,302 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 11:26:04,302 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 11:26:04,302 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 11:26:04,302 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 11:26:04,302 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 11:26:04,302 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 11:26:04,302 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 11:26:04,303 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:04,303 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 11:26:04,303 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:04,303 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,303 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,303 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,303 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,303 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 11:26:04,304 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,304 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:04,304 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,304 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:04,304 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:04,304 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:04,304 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,304 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,305 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 11:26:04,305 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 11:26:04,305 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 11:26:04,305 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 11:26:04,305 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:26:04,305 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:26:04,305 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 11:26:04,306 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 11:26:04,306 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 11:26:04,306 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 11:26:04,306 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 11:26:04,306 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,306 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,306 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,306 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,306 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,307 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,307 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 11:26:04,307 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 11:26:04,307 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 11:26:04,307 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 11:26:04,307 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:26:04,307 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 11:26:04,307 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:26:04,308 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 11:26:04,308 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 11:26:04,308 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 11:26:04,308 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 11:26:04,308 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,308 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,308 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,308 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,309 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,309 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,309 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 11:26:04,309 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 11:26:04,309 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 11:26:04,309 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:26:04,309 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:26:04,309 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 11:26:04,310 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 11:26:04,310 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 11:26:04,310 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 11:26:04,310 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 11:26:04,310 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 11:26:04,310 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 11:26:04,310 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 11:26:04,310 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 11:26:04,310 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,311 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,311 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,311 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse4 (and .cse0 .cse8 .cse1 .cse2 .cse3)) (.cse5 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse6 (not (= |old(~a25~0)| 1))) (.cse7 (and .cse0 .cse8 .cse1 (= ~a25~0 1) .cse3))) (and (or (and .cse0 .cse1 .cse2 (= ~a17~0 8) .cse3) (not (= 8 |old(~a17~0)|))) (or .cse4 (not (= 0 |old(~a19~0)|)) .cse5) (or .cse4 (not (<= 10 |old(~a28~0)|))) (or (= |old(~a19~0)| 1) .cse6 .cse7 .cse5) (or (not (<= |old(~a28~0)| 7)) .cse6 .cse7)))) [2020-09-21 11:26:04,311 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,311 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,311 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,311 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 11:26:04,312 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 11:26:04,312 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 11:26:04,312 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 11:26:04,312 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 11:26:04,312 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 11:26:04,312 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 11:26:04,312 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:26:04,312 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:26:04,313 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 11:26:04,313 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 11:26:04,313 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 11:26:04,313 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 11:26:04,313 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,313 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,313 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,313 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,314 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,314 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,314 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 11:26:04,314 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 11:26:04,314 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 11:26:04,314 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 11:26:04,314 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 11:26:04,315 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 11:26:04,315 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:26:04,315 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 11:26:04,315 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 11:26:04,315 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 11:26:04,315 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 11:26:04,315 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:04,315 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:04,316 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 11:26:04,316 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 11:26:04,316 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 11:26:04,316 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,316 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,316 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,316 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,316 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:04,316 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 11:26:04,317 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 11:26:04,317 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 11:26:04,317 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 11:26:04,317 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 11:26:04,317 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 11:26:04,317 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 11:26:04,317 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 11:26:04,317 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:26:04,318 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 11:26:04,318 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 11:26:04,318 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:04,318 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 11:26:04,318 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:04,318 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 11:26:04,318 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:04,318 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:04,319 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 11:26:04,319 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 11:26:04,319 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:04,319 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a17~0 8) (not (= ~a11~0 1)) (<= ~a28~0 7)) [2020-09-21 11:26:04,319 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:26:04,319 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:04,320 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (= |old(~a11~0)| 1) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-09-21 11:26:04,320 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a25~0 ~a11~0)) (.cse1 (= ~a25~0 1))) (or (and (= ~a19~0 0) .cse0) (not (<= |old(~a28~0)| 7)) (and .cse1 (<= ~a28~0 7)) (<= 10 ~a28~0) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (= |old(~a11~0)| 1) (and .cse0 (not (= ~a19~0 1)) .cse1) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-09-21 11:26:04,320 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:04,320 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:04,320 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a25~0 ~a11~0)) (.cse1 (= ~a25~0 1))) (or (and (= ~a19~0 0) .cse0) (not (<= |old(~a28~0)| 7)) (and .cse1 (<= ~a28~0 7)) (<= 10 ~a28~0) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (= |old(~a11~0)| 1) (and .cse0 (not (= ~a19~0 1)) .cse1) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-09-21 11:26:04,320 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 11:26:04,320 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 11:26:04,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:26:04 BoogieIcfgContainer [2020-09-21 11:26:04,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:26:04,350 INFO L168 Benchmark]: Toolchain (without parser) took 29653.36 ms. Allocated memory was 140.0 MB in the beginning and 570.4 MB in the end (delta: 430.4 MB). Free memory was 101.7 MB in the beginning and 150.6 MB in the end (delta: -48.9 MB). Peak memory consumption was 475.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:04,351 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-21 11:26:04,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.17 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.3 MB in the beginning and 172.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:04,352 INFO L168 Benchmark]: Boogie Preprocessor took 116.59 ms. Allocated memory is still 205.0 MB. Free memory was 172.2 MB in the beginning and 166.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:04,353 INFO L168 Benchmark]: RCFGBuilder took 1368.99 ms. Allocated memory was 205.0 MB in the beginning and 239.1 MB in the end (delta: 34.1 MB). Free memory was 166.9 MB in the beginning and 183.2 MB in the end (delta: -16.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:04,354 INFO L168 Benchmark]: TraceAbstraction took 27351.91 ms. Allocated memory was 239.1 MB in the beginning and 570.4 MB in the end (delta: 331.4 MB). Free memory was 181.4 MB in the beginning and 150.6 MB in the end (delta: 30.8 MB). Peak memory consumption was 455.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:04,358 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 802.17 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.3 MB in the beginning and 172.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.59 ms. Allocated memory is still 205.0 MB. Free memory was 172.2 MB in the beginning and 166.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1368.99 ms. Allocated memory was 205.0 MB in the beginning and 239.1 MB in the end (delta: 34.1 MB). Free memory was 166.9 MB in the beginning and 183.2 MB in the end (delta: -16.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27351.91 ms. Allocated memory was 239.1 MB in the beginning and 570.4 MB in the end (delta: 331.4 MB). Free memory was 181.4 MB in the beginning and 150.6 MB in the end (delta: 30.8 MB). Peak memory consumption was 455.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((a19 == 0 && a25 == a11) || !(\old(a28) <= 7)) || (a25 == 1 && a28 <= 7)) || 10 <= a28) || a17 == 8) || !(8 == \old(a17))) || \old(a11) == 1) || ((a25 == a11 && !(a19 == 1)) && a25 == 1)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 393 SDtfs, 4970 SDslu, 580 SDs, 0 SdLazy, 9011 SolverSat, 1283 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7485occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 1420 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 328 PreInvPairs, 552 NumberOfFragments, 314 HoareAnnotationTreeSize, 328 FomulaSimplifications, 43174 FormulaSimplificationTreeSizeReduction, 4.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5459 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1208 NumberOfCodeBlocks, 1208 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1199 ConstructedInterpolants, 0 QuantifiedInterpolants, 402500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 394/427 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...