/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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/Problem14_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:32:27,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:32:27,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:32:27,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:32:27,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:32:27,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:32:27,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:32:27,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:32:27,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:32:27,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:32:27,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:32:27,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:32:27,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:32:27,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:32:27,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:32:27,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:32:27,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:32:27,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:32:27,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:32:27,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:32:27,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:32:27,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:32:27,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:32:27,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:32:27,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:32:27,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:32:27,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:32:27,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:32:27,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:32:27,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:32:27,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:32:27,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:32:27,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:32:27,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:32:27,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:32:27,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:32:27,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:32:27,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:32:27,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:32:27,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:32:27,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:32:27,213 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 12:32:27,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:32:27,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:32:27,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:32:27,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:32:27,272 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:32:27,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:32:27,273 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:32:27,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:32:27,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:32:27,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:32:27,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:32:27,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:32:27,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:32:27,274 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:32:27,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:32:27,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:32:27,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:32:27,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:32:27,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:32:27,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:32:27,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:32:27,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:32:27,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:32:27,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:32:27,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:32:27,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:32:27,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:32:27,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:32:27,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:32:27,278 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:32:27,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:32:27,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:32:27,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:32:27,776 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:32:27,777 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:32:27,778 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-09-21 12:32:27,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2db8a5f4e/1d44dd3c2d9c4978b70d548191d48d7e/FLAG60c9ff271 [2020-09-21 12:32:28,560 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:32:28,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-09-21 12:32:28,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2db8a5f4e/1d44dd3c2d9c4978b70d548191d48d7e/FLAG60c9ff271 [2020-09-21 12:32:28,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2db8a5f4e/1d44dd3c2d9c4978b70d548191d48d7e [2020-09-21 12:32:28,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:32:28,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:32:28,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:32:28,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:32:28,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:32:28,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:32:28" (1/1) ... [2020-09-21 12:32:28,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb9461a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:28, skipping insertion in model container [2020-09-21 12:32:28,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:32:28" (1/1) ... [2020-09-21 12:32:28,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:32:28,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:32:29,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:32:29,447 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:32:29,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:32:29,745 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:32:29,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:29 WrapperNode [2020-09-21 12:32:29,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:32:29,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:32:29,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:32:29,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:32:29,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:29" (1/1) ... [2020-09-21 12:32:29,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:29" (1/1) ... [2020-09-21 12:32:29,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:29" (1/1) ... [2020-09-21 12:32:29,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:29" (1/1) ... [2020-09-21 12:32:29,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:29" (1/1) ... [2020-09-21 12:32:29,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:29" (1/1) ... [2020-09-21 12:32:29,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:29" (1/1) ... [2020-09-21 12:32:29,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:32:29,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:32:29,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:32:29,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:32:29,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:29" (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 12:32:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:32:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:32:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:32:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:32:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:32:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:32:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:32:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:32:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:32:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:32:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:32:31,581 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:32:31,581 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:32:31,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:32:31 BoogieIcfgContainer [2020-09-21 12:32:31,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:32:31,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:32:31,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:32:31,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:32:31,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:32:28" (1/3) ... [2020-09-21 12:32:31,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716cd5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:32:31, skipping insertion in model container [2020-09-21 12:32:31,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:29" (2/3) ... [2020-09-21 12:32:31,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716cd5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:32:31, skipping insertion in model container [2020-09-21 12:32:31,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:32:31" (3/3) ... [2020-09-21 12:32:31,617 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-09-21 12:32:31,631 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:32:31,649 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:32:31,676 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:32:31,719 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:32:31,720 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:32:31,721 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:32:31,721 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:32:31,721 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:32:31,721 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:32:31,721 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:32:31,722 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:32:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-09-21 12:32:31,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-09-21 12:32:31,770 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:31,772 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] [2020-09-21 12:32:31,772 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:31,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:31,784 INFO L82 PathProgramCache]: Analyzing trace with hash 2061919546, now seen corresponding path program 1 times [2020-09-21 12:32:31,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:31,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370004485] [2020-09-21 12:32:31,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:32,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:32,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:32,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 12:32:32,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:32,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-09-21 12:32:32,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:32,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:32:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:32:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:32:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:32:32,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:32,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:32,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:32,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:32,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:32,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:32:32,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:32:32,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:32,720 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 12:32:32,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370004485] [2020-09-21 12:32:32,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:32:32,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:32:32,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782443983] [2020-09-21 12:32:32,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:32,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:32,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:32,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:32,761 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-09-21 12:32:35,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:35,771 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-09-21 12:32:35,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:32:35,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-09-21 12:32:35,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:35,816 INFO L225 Difference]: With dead ends: 886 [2020-09-21 12:32:35,816 INFO L226 Difference]: Without dead ends: 564 [2020-09-21 12:32:35,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:35,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-21 12:32:35,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-09-21 12:32:35,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-09-21 12:32:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-09-21 12:32:35,947 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 49 [2020-09-21 12:32:35,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:35,948 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-09-21 12:32:35,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-09-21 12:32:35,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-21 12:32:35,956 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:35,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:35,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:32:35,957 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:35,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:35,958 INFO L82 PathProgramCache]: Analyzing trace with hash -297064450, now seen corresponding path program 1 times [2020-09-21 12:32:35,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:35,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1594930738] [2020-09-21 12:32:35,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:36,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:36,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:37,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:37,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:32:37,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1040 [2020-09-21 12:32:37,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:37,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:37,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-21 12:32:37,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 12:32:37,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:32:37,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:37,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:37,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:37,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:37,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:37,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:32:37,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:37,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:37,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:37,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:37,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:37,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:37,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 12:32:37,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:37,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-21 12:32:37,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 12:32:37,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:37,479 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:37,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1594930738] [2020-09-21 12:32:37,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:37,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:37,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449420907] [2020-09-21 12:32:37,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:37,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:37,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:37,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:37,499 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 5 states. [2020-09-21 12:32:38,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:38,758 INFO L93 Difference]: Finished difference Result 1134 states and 1843 transitions. [2020-09-21 12:32:38,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:38,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-09-21 12:32:38,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:38,765 INFO L225 Difference]: With dead ends: 1134 [2020-09-21 12:32:38,765 INFO L226 Difference]: Without dead ends: 564 [2020-09-21 12:32:38,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-21 12:32:38,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-09-21 12:32:38,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-09-21 12:32:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 903 transitions. [2020-09-21 12:32:38,801 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 903 transitions. Word has length 123 [2020-09-21 12:32:38,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:38,802 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 903 transitions. [2020-09-21 12:32:38,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:38,802 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 903 transitions. [2020-09-21 12:32:38,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-09-21 12:32:38,806 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:38,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:38,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:32:38,806 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:38,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:38,807 INFO L82 PathProgramCache]: Analyzing trace with hash -208840022, now seen corresponding path program 1 times [2020-09-21 12:32:38,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:38,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [229228254] [2020-09-21 12:32:38,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:38,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:39,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:39,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:39,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-21 12:32:39,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:32:39,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:39,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:39,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-09-21 12:32:39,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 12:32:39,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:39,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:39,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:39,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:39,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:39,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:39,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:32:39,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:39,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:39,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:39,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:40,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:40,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 12:32:40,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:40,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-21 12:32:40,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 12:32:40,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:40,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [229228254] [2020-09-21 12:32:40,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:40,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:40,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109814735] [2020-09-21 12:32:40,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:40,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:40,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:40,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:40,168 INFO L87 Difference]: Start difference. First operand 558 states and 903 transitions. Second operand 5 states. [2020-09-21 12:32:42,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:42,024 INFO L93 Difference]: Finished difference Result 1668 states and 2743 transitions. [2020-09-21 12:32:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:42,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-09-21 12:32:42,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:42,032 INFO L225 Difference]: With dead ends: 1668 [2020-09-21 12:32:42,033 INFO L226 Difference]: Without dead ends: 1116 [2020-09-21 12:32:42,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:42,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-09-21 12:32:42,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 744. [2020-09-21 12:32:42,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-09-21 12:32:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1163 transitions. [2020-09-21 12:32:42,069 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1163 transitions. Word has length 129 [2020-09-21 12:32:42,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:42,070 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1163 transitions. [2020-09-21 12:32:42,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:42,071 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1163 transitions. [2020-09-21 12:32:42,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-21 12:32:42,077 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:42,077 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:42,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:32:42,077 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:42,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:42,078 INFO L82 PathProgramCache]: Analyzing trace with hash 824772174, now seen corresponding path program 1 times [2020-09-21 12:32:42,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:42,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631893049] [2020-09-21 12:32:42,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:42,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:42,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:43,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:43,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-09-21 12:32:43,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:43,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:32:43,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:43,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:32:43,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:32:43,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-09-21 12:32:43,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:43,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:43,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:43,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:43,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:43,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:43,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:32:43,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:32:43,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:43,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:43,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:43,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:43,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-21 12:32:43,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:43,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-09-21 12:32:43,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:43,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:43,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:43,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-09-21 12:32:43,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:43,955 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:43,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631893049] [2020-09-21 12:32:43,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:32:43,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:32:43,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3204000] [2020-09-21 12:32:43,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:43,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:43,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:43,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:43,958 INFO L87 Difference]: Start difference. First operand 744 states and 1163 transitions. Second operand 7 states. [2020-09-21 12:32:45,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:45,896 INFO L93 Difference]: Finished difference Result 1874 states and 2955 transitions. [2020-09-21 12:32:45,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:32:45,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 227 [2020-09-21 12:32:45,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:45,910 INFO L225 Difference]: With dead ends: 1874 [2020-09-21 12:32:45,910 INFO L226 Difference]: Without dead ends: 1136 [2020-09-21 12:32:45,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:32:45,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2020-09-21 12:32:45,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 938. [2020-09-21 12:32:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2020-09-21 12:32:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1352 transitions. [2020-09-21 12:32:45,961 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1352 transitions. Word has length 227 [2020-09-21 12:32:45,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:45,963 INFO L479 AbstractCegarLoop]: Abstraction has 938 states and 1352 transitions. [2020-09-21 12:32:45,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:45,963 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1352 transitions. [2020-09-21 12:32:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-09-21 12:32:45,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:45,970 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:45,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:32:45,970 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:45,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:45,971 INFO L82 PathProgramCache]: Analyzing trace with hash -818404179, now seen corresponding path program 1 times [2020-09-21 12:32:45,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:45,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056606343] [2020-09-21 12:32:45,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:46,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:46,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:46,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:47,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:47,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-21 12:32:47,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:47,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1029 [2020-09-21 12:32:47,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-09-21 12:32:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-09-21 12:32:47,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:47,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:47,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:47,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:47,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:47,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:47,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:32:47,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:47,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:47,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:47,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:47,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:47,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 12:32:47,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 12:32:47,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 12:32:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:47,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 12:32:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:47,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:47,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:47,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-21 12:32:47,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:47,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-09-21 12:32:47,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:47,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-09-21 12:32:47,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:32:48,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056606343] [2020-09-21 12:32:48,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:48,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:32:48,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130425935] [2020-09-21 12:32:48,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:32:48,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:48,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:32:48,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:32:48,263 INFO L87 Difference]: Start difference. First operand 938 states and 1352 transitions. Second operand 8 states. [2020-09-21 12:32:51,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:51,115 INFO L93 Difference]: Finished difference Result 2612 states and 3851 transitions. [2020-09-21 12:32:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:32:51,117 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 300 [2020-09-21 12:32:51,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:51,126 INFO L225 Difference]: With dead ends: 2612 [2020-09-21 12:32:51,126 INFO L226 Difference]: Without dead ends: 1680 [2020-09-21 12:32:51,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:32:51,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2020-09-21 12:32:51,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1490. [2020-09-21 12:32:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1490 states. [2020-09-21 12:32:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 1988 transitions. [2020-09-21 12:32:51,172 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 1988 transitions. Word has length 300 [2020-09-21 12:32:51,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:51,173 INFO L479 AbstractCegarLoop]: Abstraction has 1490 states and 1988 transitions. [2020-09-21 12:32:51,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:32:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1988 transitions. [2020-09-21 12:32:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-09-21 12:32:51,180 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:51,180 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 12:32:51,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:32:51,180 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:51,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:51,181 INFO L82 PathProgramCache]: Analyzing trace with hash -963333515, now seen corresponding path program 1 times [2020-09-21 12:32:51,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:51,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037067176] [2020-09-21 12:32:51,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:51,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:51,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:51,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:51,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:52,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:52,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 343 [2020-09-21 12:32:52,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:32:52,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:32:52,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:52,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:52,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-09-21 12:32:52,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-21 12:32:52,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:52,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:52,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:52,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:52,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:52,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:52,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:32:52,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:52,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:52,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:52,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:52,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:52,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:52,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 12:32:52,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:52,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 12:32:52,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:52,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:52,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:52,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 12:32:52,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:52,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 12:32:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:52,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:52,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:52,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 12:32:52,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:52,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-09-21 12:32:52,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 12:32:52,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:52,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-21 12:32:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:52,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:52,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:52,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:32:52,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:32:52,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-21 12:32:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:52,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:53,145 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 200 proven. 93 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-09-21 12:32:53,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037067176] [2020-09-21 12:32:53,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:53,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:32:53,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717508273] [2020-09-21 12:32:53,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:53,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:53,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:53,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:53,148 INFO L87 Difference]: Start difference. First operand 1490 states and 1988 transitions. Second operand 7 states. [2020-09-21 12:32:55,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:55,600 INFO L93 Difference]: Finished difference Result 4100 states and 5533 transitions. [2020-09-21 12:32:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:32:55,603 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 328 [2020-09-21 12:32:55,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:55,619 INFO L225 Difference]: With dead ends: 4100 [2020-09-21 12:32:55,619 INFO L226 Difference]: Without dead ends: 2422 [2020-09-21 12:32:55,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:32:55,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2020-09-21 12:32:55,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2234. [2020-09-21 12:32:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2234 states. [2020-09-21 12:32:55,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 2465 transitions. [2020-09-21 12:32:55,696 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 2465 transitions. Word has length 328 [2020-09-21 12:32:55,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:55,696 INFO L479 AbstractCegarLoop]: Abstraction has 2234 states and 2465 transitions. [2020-09-21 12:32:55,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:55,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2465 transitions. [2020-09-21 12:32:55,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2020-09-21 12:32:55,706 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:55,707 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:32:55,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:32:55,707 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:55,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:55,708 INFO L82 PathProgramCache]: Analyzing trace with hash 898328642, now seen corresponding path program 1 times [2020-09-21 12:32:55,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:55,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911759668] [2020-09-21 12:32:55,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:55,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:56,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:56,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:56,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:56,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 470 [2020-09-21 12:32:56,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:56,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:32:56,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:56,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 421 [2020-09-21 12:32:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 12:32:56,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:56,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:56,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:56,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:56,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:56,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:56,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:32:56,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:57,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:57,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:57,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:57,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-09-21 12:32:57,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:57,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:32:57,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:57,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:57,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:57,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:57,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-21 12:32:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:57,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:57,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:57,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 12:32:57,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:57,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:32:57,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:57,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:57,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-09-21 12:32:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:57,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:57,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:57,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:32:57,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:57,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 12:32:57,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 12:32:57,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-09-21 12:32:57,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911759668] [2020-09-21 12:32:57,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:57,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:57,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893827254] [2020-09-21 12:32:57,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:57,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:57,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:57,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:57,515 INFO L87 Difference]: Start difference. First operand 2234 states and 2465 transitions. Second operand 5 states. [2020-09-21 12:32:58,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:58,957 INFO L93 Difference]: Finished difference Result 5572 states and 6242 transitions. [2020-09-21 12:32:58,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:58,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 455 [2020-09-21 12:32:58,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:58,975 INFO L225 Difference]: With dead ends: 5572 [2020-09-21 12:32:58,975 INFO L226 Difference]: Without dead ends: 3160 [2020-09-21 12:32:58,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 12:32:58,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3160 states. [2020-09-21 12:32:59,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3160 to 2790. [2020-09-21 12:32:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2020-09-21 12:32:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3069 transitions. [2020-09-21 12:32:59,065 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3069 transitions. Word has length 455 [2020-09-21 12:32:59,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:59,066 INFO L479 AbstractCegarLoop]: Abstraction has 2790 states and 3069 transitions. [2020-09-21 12:32:59,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:59,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3069 transitions. [2020-09-21 12:32:59,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2020-09-21 12:32:59,091 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:59,091 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:59,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:32:59,092 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:59,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:59,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1535965493, now seen corresponding path program 1 times [2020-09-21 12:32:59,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:59,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149655645] [2020-09-21 12:32:59,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:59,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:59,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:59,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:00,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:00,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 599 [2020-09-21 12:33:00,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:33:00,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1076 [2020-09-21 12:33:00,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:33:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 144 [2020-09-21 12:33:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-09-21 12:33:00,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:00,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:33:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:00,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:00,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:00,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:33:00,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:00,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:33:00,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:33:00,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:00,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:33:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:00,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:00,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:00,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-09-21 12:33:00,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:00,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-21 12:33:00,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:33:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:33:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-21 12:33:00,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:00,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-21 12:33:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:00,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:00,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:00,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 12:33:00,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-09-21 12:33:00,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:33:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:33:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-09-21 12:33:00,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:33:01,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-09-21 12:33:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:01,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:01,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:01,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:33:01,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:01,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 12:33:01,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-21 12:33:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:01,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:33:01,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2020-09-21 12:33:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:01,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:01,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:01,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 12:33:01,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:01,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-21 12:33:01,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:01,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:01,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-21 12:33:01,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:01,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:33:01,559 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 306 proven. 217 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2020-09-21 12:33:01,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149655645] [2020-09-21 12:33:01,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:33:01,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:33:01,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688056269] [2020-09-21 12:33:01,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:33:01,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:33:01,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:33:01,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:33:01,562 INFO L87 Difference]: Start difference. First operand 2790 states and 3069 transitions. Second operand 7 states. [2020-09-21 12:33:03,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:33:03,677 INFO L93 Difference]: Finished difference Result 6790 states and 7815 transitions. [2020-09-21 12:33:03,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:33:03,678 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 582 [2020-09-21 12:33:03,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:33:03,697 INFO L225 Difference]: With dead ends: 6790 [2020-09-21 12:33:03,698 INFO L226 Difference]: Without dead ends: 4006 [2020-09-21 12:33:03,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:33:03,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4006 states. [2020-09-21 12:33:03,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4006 to 3724. [2020-09-21 12:33:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3724 states. [2020-09-21 12:33:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 3724 states and 4105 transitions. [2020-09-21 12:33:03,814 INFO L78 Accepts]: Start accepts. Automaton has 3724 states and 4105 transitions. Word has length 582 [2020-09-21 12:33:03,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:33:03,815 INFO L479 AbstractCegarLoop]: Abstraction has 3724 states and 4105 transitions. [2020-09-21 12:33:03,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:33:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3724 states and 4105 transitions. [2020-09-21 12:33:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2020-09-21 12:33:03,825 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:33:03,826 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:03,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:33:03,827 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:33:03,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:33:03,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1078182537, now seen corresponding path program 1 times [2020-09-21 12:33:03,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:33:03,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411591412] [2020-09-21 12:33:03,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:33:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:03,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:04,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:04,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:04,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:04,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 625 [2020-09-21 12:33:04,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:33:04,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:33:04,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:04,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:33:04,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-09-21 12:33:04,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-09-21 12:33:04,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:05,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:33:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:05,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:05,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:05,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:33:05,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:05,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:33:05,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:33:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:05,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:05,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:33:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:05,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:05,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:05,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-21 12:33:05,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:05,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-21 12:33:05,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:05,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:33:05,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:33:05,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-09-21 12:33:05,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:05,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-21 12:33:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:05,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:05,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:05,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 12:33:05,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:05,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-09-21 12:33:05,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:33:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:33:05,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-09-21 12:33:05,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:05,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-21 12:33:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:05,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:05,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:05,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:33:05,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:05,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 12:33:05,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-21 12:33:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:05,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:05,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-21 12:33:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:05,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:05,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:05,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 12:33:05,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:05,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 12:33:05,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-21 12:33:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:05,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 332 proven. 217 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-09-21 12:33:06,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1411591412] [2020-09-21 12:33:06,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:33:06,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:33:06,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80145452] [2020-09-21 12:33:06,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:33:06,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:33:06,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:33:06,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:33:06,136 INFO L87 Difference]: Start difference. First operand 3724 states and 4105 transitions. Second operand 7 states. [2020-09-21 12:33:07,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:33:07,937 INFO L93 Difference]: Finished difference Result 8198 states and 9061 transitions. [2020-09-21 12:33:07,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:33:07,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 608 [2020-09-21 12:33:07,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:33:07,954 INFO L225 Difference]: With dead ends: 8198 [2020-09-21 12:33:07,955 INFO L226 Difference]: Without dead ends: 4480 [2020-09-21 12:33:07,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 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 12:33:07,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4480 states. [2020-09-21 12:33:08,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4480 to 4280. [2020-09-21 12:33:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4280 states. [2020-09-21 12:33:08,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 4714 transitions. [2020-09-21 12:33:08,083 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 4714 transitions. Word has length 608 [2020-09-21 12:33:08,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:33:08,084 INFO L479 AbstractCegarLoop]: Abstraction has 4280 states and 4714 transitions. [2020-09-21 12:33:08,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:33:08,084 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 4714 transitions. [2020-09-21 12:33:08,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2020-09-21 12:33:08,097 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:33:08,098 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:33:08,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:33:08,099 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:33:08,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:33:08,099 INFO L82 PathProgramCache]: Analyzing trace with hash -4361611, now seen corresponding path program 1 times [2020-09-21 12:33:08,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:33:08,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754436674] [2020-09-21 12:33:08,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:33:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:08,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:08,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:08,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:09,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:09,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 721 [2020-09-21 12:33:09,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:33:09,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1063 [2020-09-21 12:33:09,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:33:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 672 [2020-09-21 12:33:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 12:33:09,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:09,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:33:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:09,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:09,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:09,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:33:09,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:09,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:33:09,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:09,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:09,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:33:09,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:09,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:33:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:09,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:09,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:09,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-09-21 12:33:09,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:09,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:33:09,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:09,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:09,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:33:09,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:09,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:09,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-21 12:33:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:09,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:09,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:33:09,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:09,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:33:09,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:33:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:09,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:09,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-09-21 12:33:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:09,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:09,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:09,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 12:33:09,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:09,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 12:33:09,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:09,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:33:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:09,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-21 12:33:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:09,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:09,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:09,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:33:09,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:09,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:33:09,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:09,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:33:09,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:33:09,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:33:09,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:09,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-09-21 12:33:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:33:09,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:33:09,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:33:09,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 12:33:09,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:33:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-21 12:33:09,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:33:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:33:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:33:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-09-21 12:33:09,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:33:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 217 proven. 5 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2020-09-21 12:33:10,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754436674] [2020-09-21 12:33:10,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:33:10,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:33:10,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432122590] [2020-09-21 12:33:10,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:33:10,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:33:10,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:33:10,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:33:10,184 INFO L87 Difference]: Start difference. First operand 4280 states and 4714 transitions. Second operand 5 states. [2020-09-21 12:33:11,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:33:11,611 INFO L93 Difference]: Finished difference Result 9292 states and 10331 transitions. [2020-09-21 12:33:11,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:33:11,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 702 [2020-09-21 12:33:11,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:33:11,614 INFO L225 Difference]: With dead ends: 9292 [2020-09-21 12:33:11,614 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:33:11,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 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 12:33:11,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:33:11,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:33:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:33:11,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:33:11,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 702 [2020-09-21 12:33:11,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:33:11,629 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:33:11,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:33:11,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:33:11,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:33:11,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:33:11,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:33:11,775 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-09-21 12:33:13,294 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 99 [2020-09-21 12:33:13,751 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 99 [2020-09-21 12:33:14,487 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 48 [2020-09-21 12:33:14,771 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2020-09-21 12:33:15,024 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2020-09-21 12:33:15,028 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:33:15,029 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-09-21 12:33:15,029 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:33:15,029 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-09-21 12:33:15,029 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-09-21 12:33:15,029 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,029 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,029 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,030 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-09-21 12:33:15,030 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 12:33:15,030 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 12:33:15,030 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 12:33:15,031 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-09-21 12:33:15,031 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-09-21 12:33:15,031 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-09-21 12:33:15,031 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-09-21 12:33:15,031 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,032 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,032 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,032 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-09-21 12:33:15,032 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-09-21 12:33:15,032 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 12:33:15,032 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 12:33:15,032 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 12:33:15,032 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-09-21 12:33:15,032 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-09-21 12:33:15,033 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-09-21 12:33:15,033 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,033 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,033 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,033 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-09-21 12:33:15,033 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:33:15,033 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 12:33:15,033 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 12:33:15,034 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-09-21 12:33:15,034 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-09-21 12:33:15,034 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-09-21 12:33:15,034 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-09-21 12:33:15,034 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-09-21 12:33:15,034 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,034 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,034 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,034 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-09-21 12:33:15,035 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 12:33:15,035 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 12:33:15,035 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 12:33:15,035 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-09-21 12:33:15,035 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-09-21 12:33:15,035 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-09-21 12:33:15,035 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,035 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,036 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,036 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-09-21 12:33:15,036 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 12:33:15,036 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 12:33:15,036 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 12:33:15,036 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-09-21 12:33:15,036 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-09-21 12:33:15,036 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-09-21 12:33:15,037 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-09-21 12:33:15,037 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-09-21 12:33:15,037 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,037 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,037 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,037 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,037 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-09-21 12:33:15,037 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 12:33:15,038 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:33:15,038 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 12:33:15,038 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-09-21 12:33:15,038 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-09-21 12:33:15,038 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-09-21 12:33:15,038 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-09-21 12:33:15,038 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,038 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,038 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,038 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 12:33:15,039 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 12:33:15,039 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 12:33:15,039 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-09-21 12:33:15,039 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-09-21 12:33:15,039 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-09-21 12:33:15,039 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-09-21 12:33:15,039 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-09-21 12:33:15,039 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,039 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,040 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,040 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-09-21 12:33:15,040 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-09-21 12:33:15,040 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 12:33:15,040 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 12:33:15,040 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 12:33:15,040 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-09-21 12:33:15,041 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (and .cse1 (= ~a21~0 |old(~a21~0)|) .cse2 .cse3))) (and (or (not (<= 10 |old(~a21~0)|)) .cse0 (not (<= |old(~a12~0)| 11))) (or (and .cse1 (= ~a21~0 9) .cse2 .cse3) (not (= 9 |old(~a21~0)|))) (or .cse0 (= 6 |old(~a15~0)|)) (or (and .cse1 (= ~a21~0 8) .cse2 .cse3) (not (= 8 |old(~a21~0)|))) (or (not (= |old(~a24~0)| 1)) (and (= ~a21~0 6) (= ~a24~0 1) .cse2 .cse3) (not (= 6 |old(~a21~0)|)))))) [2020-09-21 12:33:15,041 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-09-21 12:33:15,041 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-09-21 12:33:15,041 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,041 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,041 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,041 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:33:15,042 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 12:33:15,042 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 12:33:15,042 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-09-21 12:33:15,042 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-09-21 12:33:15,042 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-09-21 12:33:15,042 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-09-21 12:33:15,042 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-09-21 12:33:15,042 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,043 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,043 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,043 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-09-21 12:33:15,043 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-09-21 12:33:15,043 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 12:33:15,043 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:33:15,043 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 12:33:15,043 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-09-21 12:33:15,044 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-09-21 12:33:15,044 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-09-21 12:33:15,044 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,044 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,044 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,044 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-09-21 12:33:15,044 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 12:33:15,044 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 12:33:15,044 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 12:33:15,045 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-09-21 12:33:15,045 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-09-21 12:33:15,045 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-09-21 12:33:15,045 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-09-21 12:33:15,045 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,045 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,045 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,045 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-09-21 12:33:15,046 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 12:33:15,046 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 12:33:15,046 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 12:33:15,046 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-09-21 12:33:15,046 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-09-21 12:33:15,046 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-09-21 12:33:15,046 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-09-21 12:33:15,046 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,046 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,047 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-09-21 12:33:15,047 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 12:33:15,047 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 12:33:15,047 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-09-21 12:33:15,047 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-09-21 12:33:15,047 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-09-21 12:33:15,047 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-09-21 12:33:15,047 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-09-21 12:33:15,048 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2020-09-21 12:33:15,048 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,048 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,048 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-09-21 12:33:15,048 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 12:33:15,048 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 12:33:15,048 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-09-21 12:33:15,048 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-09-21 12:33:15,049 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-09-21 12:33:15,049 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,049 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,049 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-09-21 12:33:15,049 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-09-21 12:33:15,049 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 12:33:15,049 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 12:33:15,049 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-09-21 12:33:15,049 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-09-21 12:33:15,049 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-09-21 12:33:15,050 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-09-21 12:33:15,050 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,050 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,050 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-09-21 12:33:15,050 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-09-21 12:33:15,050 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 12:33:15,050 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:33:15,050 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-09-21 12:33:15,050 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-09-21 12:33:15,051 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-09-21 12:33:15,051 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,051 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,051 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,051 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-09-21 12:33:15,051 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-09-21 12:33:15,051 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 12:33:15,051 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:33:15,051 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-09-21 12:33:15,051 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-09-21 12:33:15,052 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,052 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,052 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 12:33:15,052 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,052 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-09-21 12:33:15,052 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-09-21 12:33:15,052 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-09-21 12:33:15,052 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 12:33:15,052 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:33:15,053 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 12:33:15,053 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-09-21 12:33:15,053 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-09-21 12:33:15,053 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-09-21 12:33:15,053 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-09-21 12:33:15,053 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,053 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,053 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,053 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-09-21 12:33:15,053 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 12:33:15,054 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:33:15,054 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 12:33:15,054 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-09-21 12:33:15,054 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-09-21 12:33:15,054 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-09-21 12:33:15,054 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-09-21 12:33:15,054 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,054 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,054 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,055 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-09-21 12:33:15,055 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-09-21 12:33:15,055 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 12:33:15,055 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 12:33:15,055 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 12:33:15,055 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-09-21 12:33:15,055 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-09-21 12:33:15,055 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-09-21 12:33:15,055 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,055 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,056 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,056 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-09-21 12:33:15,056 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 12:33:15,056 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 12:33:15,056 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 12:33:15,056 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-09-21 12:33:15,056 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-09-21 12:33:15,056 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-09-21 12:33:15,056 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-09-21 12:33:15,057 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-09-21 12:33:15,057 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,057 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,057 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:33:15,057 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-09-21 12:33:15,057 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 12:33:15,057 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 12:33:15,057 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 12:33:15,057 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-09-21 12:33:15,058 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:33:15,058 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (<= ~a12~0 11)) [2020-09-21 12:33:15,058 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:33:15,058 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:33:15,058 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|)) (not (<= |old(~a12~0)| 11))) [2020-09-21 12:33:15,058 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-09-21 12:33:15,058 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (and (= ~a21~0 6) (= ~a24~0 1)) (and (<= ~a12~0 11) (<= 10 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (= ~a15~0 6)) (= ~a21~0 9) (= ~a21~0 8) (not (<= |old(~a12~0)| 11))) [2020-09-21 12:33:15,059 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-09-21 12:33:15,059 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-09-21 12:33:15,059 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (and (= ~a21~0 6) (= ~a24~0 1)) (and (<= ~a12~0 11) (<= 10 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (= ~a15~0 6)) (= ~a21~0 9) (= ~a21~0 8) (not (<= |old(~a12~0)| 11))) [2020-09-21 12:33:15,059 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-09-21 12:33:15,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:33:15 BoogieIcfgContainer [2020-09-21 12:33:15,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:33:15,085 INFO L168 Benchmark]: Toolchain (without parser) took 46301.17 ms. Allocated memory was 144.7 MB in the beginning and 881.3 MB in the end (delta: 736.6 MB). Free memory was 99.3 MB in the beginning and 470.6 MB in the end (delta: -371.2 MB). Peak memory consumption was 684.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:33:15,086 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:33:15,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 957.93 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 98.7 MB in the beginning and 167.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:33:15,088 INFO L168 Benchmark]: Boogie Preprocessor took 185.92 ms. Allocated memory is still 203.9 MB. Free memory was 167.2 MB in the beginning and 161.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:33:15,089 INFO L168 Benchmark]: RCFGBuilder took 1664.31 ms. Allocated memory was 203.9 MB in the beginning and 232.8 MB in the end (delta: 28.8 MB). Free memory was 161.2 MB in the beginning and 155.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:33:15,090 INFO L168 Benchmark]: TraceAbstraction took 43482.09 ms. Allocated memory was 232.8 MB in the beginning and 881.3 MB in the end (delta: 648.5 MB). Free memory was 155.7 MB in the beginning and 470.6 MB in the end (delta: -314.9 MB). Peak memory consumption was 653.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:33:15,094 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 957.93 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 98.7 MB in the beginning and 167.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 185.92 ms. Allocated memory is still 203.9 MB. Free memory was 167.2 MB in the beginning and 161.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1664.31 ms. Allocated memory was 203.9 MB in the beginning and 232.8 MB in the end (delta: 28.8 MB). Free memory was 161.2 MB in the beginning and 155.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43482.09 ms. Allocated memory was 232.8 MB in the beginning and 881.3 MB in the end (delta: 648.5 MB). Free memory was 155.7 MB in the beginning and 470.6 MB in the end (delta: -314.9 MB). Peak memory consumption was 653.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: 880]: Loop Invariant Derived loop invariant: ((((((a21 == 6 && a24 == 1) || (a12 <= 11 && 10 <= a21)) || !(8 == \old(a15))) || !(a15 == 6)) || a21 == 9) || a21 == 8) || !(\old(a12) <= 11) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.9s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 20.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 267 SDtfs, 5105 SDslu, 341 SDs, 0 SdLazy, 10810 SolverSat, 1836 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4280occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1812 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 131 PreInvPairs, 193 NumberOfFragments, 225 HoareAnnotationTreeSize, 131 FomulaSimplifications, 576836 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 19525 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 3503 NumberOfCodeBlocks, 3503 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3493 ConstructedInterpolants, 0 QuantifiedInterpolants, 3178950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 3430/3969 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...