/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:28:04,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:28:04,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:28:04,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:28:04,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:28:04,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:28:04,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:28:04,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:28:04,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:28:04,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:28:04,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:28:04,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:28:04,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:28:04,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:28:04,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:28:04,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:28:04,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:28:04,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:28:04,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:28:04,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:28:04,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:28:04,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:28:04,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:28:04,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:28:04,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:28:04,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:28:04,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:28:04,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:28:04,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:28:04,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:28:04,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:28:04,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:28:04,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:28:04,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:28:04,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:28:04,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:28:04,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:28:04,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:28:04,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:28:04,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:28:04,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:28:04,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:28:04,650 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:28:04,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:28:04,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:28:04,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:28:04,652 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:28:04,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:28:04,653 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:28:04,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:28:04,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:28:04,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:28:04,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:28:04,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:28:04,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:28:04,655 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:28:04,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:28:04,656 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:28:04,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:28:04,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:28:04,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:28:04,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:28:04,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:28:04,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:28:04,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:28:04,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:28:04,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:28:04,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:28:04,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:28:04,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:28:04,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:28:04,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:28:05,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:28:05,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:28:05,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:28:05,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:28:05,145 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:28:05,146 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-09-21 11:28:05,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78f82107b/b677512036094a569160c81af2ad1c2e/FLAGb9ff7a003 [2020-09-21 11:28:05,800 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:28:05,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-09-21 11:28:05,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78f82107b/b677512036094a569160c81af2ad1c2e/FLAGb9ff7a003 [2020-09-21 11:28:06,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78f82107b/b677512036094a569160c81af2ad1c2e [2020-09-21 11:28:06,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:28:06,069 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:28:06,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:06,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:28:06,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:28:06,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:06" (1/1) ... [2020-09-21 11:28:06,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb7919e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:06, skipping insertion in model container [2020-09-21 11:28:06,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:06" (1/1) ... [2020-09-21 11:28:06,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:28:06,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:28:06,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:06,666 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:28:06,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:07,016 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:28:07,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:07 WrapperNode [2020-09-21 11:28:07,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:07,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:28:07,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:28:07,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:28:07,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:07" (1/1) ... [2020-09-21 11:28:07,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:07" (1/1) ... [2020-09-21 11:28:07,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:07" (1/1) ... [2020-09-21 11:28:07,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:07" (1/1) ... [2020-09-21 11:28:07,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:07" (1/1) ... [2020-09-21 11:28:07,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:07" (1/1) ... [2020-09-21 11:28:07,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:07" (1/1) ... [2020-09-21 11:28:07,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:28:07,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:28:07,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:28:07,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:28:07,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:28:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:28:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:28:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:28:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:28:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:28:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:28:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:28:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:28:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:28:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:28:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:28:08,800 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:28:08,801 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:28:08,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:08 BoogieIcfgContainer [2020-09-21 11:28:08,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:28:08,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:28:08,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:28:08,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:28:08,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:28:06" (1/3) ... [2020-09-21 11:28:08,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7494ddcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:08, skipping insertion in model container [2020-09-21 11:28:08,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:07" (2/3) ... [2020-09-21 11:28:08,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7494ddcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:08, skipping insertion in model container [2020-09-21 11:28:08,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:08" (3/3) ... [2020-09-21 11:28:08,825 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label01.c [2020-09-21 11:28:08,836 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:28:08,849 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:28:08,870 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:28:08,911 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:28:08,912 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:28:08,912 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:28:08,913 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:28:08,913 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:28:08,913 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:28:08,913 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:28:08,913 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:28:08,944 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-09-21 11:28:08,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:28:08,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:08,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:08,961 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:08,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:08,967 INFO L82 PathProgramCache]: Analyzing trace with hash -184228989, now seen corresponding path program 1 times [2020-09-21 11:28:08,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:08,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681391590] [2020-09-21 11:28:08,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:09,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:09,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:09,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:09,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:09,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:28:09,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:09,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 11:28:09,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:09,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 11:28:09,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:09,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:09,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:09,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:09,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:09,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:09,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:09,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:09,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:09,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:09,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:09,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:09,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:09,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681391590] [2020-09-21 11:28:09,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:09,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:28:09,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230257269] [2020-09-21 11:28:09,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:09,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:09,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:09,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:09,489 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-09-21 11:28:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:12,512 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-09-21 11:28:12,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:28:12,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:28:12,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:12,553 INFO L225 Difference]: With dead ends: 886 [2020-09-21 11:28:12,554 INFO L226 Difference]: Without dead ends: 564 [2020-09-21 11:28:12,564 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 11:28:12,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-21 11:28:12,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-09-21 11:28:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-09-21 11:28:12,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 861 transitions. [2020-09-21 11:28:12,668 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 861 transitions. Word has length 60 [2020-09-21 11:28:12,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:12,669 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 861 transitions. [2020-09-21 11:28:12,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 861 transitions. [2020-09-21 11:28:12,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 11:28:12,677 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:12,678 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:12,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:28:12,678 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:12,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:12,679 INFO L82 PathProgramCache]: Analyzing trace with hash 2117260534, now seen corresponding path program 1 times [2020-09-21 11:28:12,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:12,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927683116] [2020-09-21 11:28:12,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:12,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:12,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:12,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:12,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:12,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-21 11:28:12,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:28:12,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-21 11:28:12,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:12,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:12,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:12,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:12,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:12,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:12,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:12,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:12,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:12,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:12,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:12,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:12,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:12,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:12,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:12,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:12,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:12,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:12,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:12,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:28:12,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:12,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:28:12,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:12,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:28:12,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:13,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927683116] [2020-09-21 11:28:13,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:13,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:28:13,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155886327] [2020-09-21 11:28:13,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:13,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:13,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:13,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:13,092 INFO L87 Difference]: Start difference. First operand 560 states and 861 transitions. Second operand 7 states. [2020-09-21 11:28:15,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:15,351 INFO L93 Difference]: Finished difference Result 1518 states and 2374 transitions. [2020-09-21 11:28:15,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:15,352 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-09-21 11:28:15,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:15,363 INFO L225 Difference]: With dead ends: 1518 [2020-09-21 11:28:15,363 INFO L226 Difference]: Without dead ends: 964 [2020-09-21 11:28:15,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:28:15,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-09-21 11:28:15,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 944. [2020-09-21 11:28:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-09-21 11:28:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1336 transitions. [2020-09-21 11:28:15,425 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1336 transitions. Word has length 154 [2020-09-21 11:28:15,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:15,426 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1336 transitions. [2020-09-21 11:28:15,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1336 transitions. [2020-09-21 11:28:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-21 11:28:15,433 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:15,434 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:15,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:28:15,434 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:15,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:15,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1698067270, now seen corresponding path program 1 times [2020-09-21 11:28:15,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:15,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841970206] [2020-09-21 11:28:15,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:15,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:15,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:15,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:15,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:15,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-21 11:28:15,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:15,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-21 11:28:15,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:15,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:15,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:15,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-21 11:28:15,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:15,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:15,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:15,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:15,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:15,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:15,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:15,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:15,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:15,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:15,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:15,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:15,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:15,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:15,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:15,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:15,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-09-21 11:28:15,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:15,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:28:15,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-21 11:28:15,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:15,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841970206] [2020-09-21 11:28:15,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:15,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:28:15,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503464056] [2020-09-21 11:28:15,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:15,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:15,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:15,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:15,969 INFO L87 Difference]: Start difference. First operand 944 states and 1336 transitions. Second operand 8 states. [2020-09-21 11:28:18,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:18,094 INFO L93 Difference]: Finished difference Result 2490 states and 3798 transitions. [2020-09-21 11:28:18,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:28:18,095 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-09-21 11:28:18,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:18,114 INFO L225 Difference]: With dead ends: 2490 [2020-09-21 11:28:18,115 INFO L226 Difference]: Without dead ends: 1552 [2020-09-21 11:28:18,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:28:18,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2020-09-21 11:28:18,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1518. [2020-09-21 11:28:18,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2020-09-21 11:28:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2119 transitions. [2020-09-21 11:28:18,203 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2119 transitions. Word has length 200 [2020-09-21 11:28:18,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:18,205 INFO L479 AbstractCegarLoop]: Abstraction has 1518 states and 2119 transitions. [2020-09-21 11:28:18,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2119 transitions. [2020-09-21 11:28:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-21 11:28:18,214 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:18,214 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:18,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:28:18,218 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:18,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:18,220 INFO L82 PathProgramCache]: Analyzing trace with hash 328652488, now seen corresponding path program 1 times [2020-09-21 11:28:18,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:18,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316608893] [2020-09-21 11:28:18,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:18,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:18,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:18,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:18,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:18,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-09-21 11:28:18,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:18,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:28:18,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:18,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:28:18,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:18,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:18,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:18,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:18,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:18,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:18,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:18,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:18,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:28:18,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:18,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:18,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:18,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:18,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:18,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:18,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:18,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:18,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:18,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:18,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:28:18,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:18,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:18,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:18,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:28:18,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 11:28:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:18,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:18,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:18,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:18,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:18,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:28:18,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:18,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:18,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-21 11:28:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 106 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 11:28:18,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316608893] [2020-09-21 11:28:18,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:18,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:28:18,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10560091] [2020-09-21 11:28:18,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:18,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:18,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:18,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:18,928 INFO L87 Difference]: Start difference. First operand 1518 states and 2119 transitions. Second operand 8 states. [2020-09-21 11:28:21,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:21,018 INFO L93 Difference]: Finished difference Result 3408 states and 4687 transitions. [2020-09-21 11:28:21,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:21,018 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-09-21 11:28:21,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:21,030 INFO L225 Difference]: With dead ends: 3408 [2020-09-21 11:28:21,031 INFO L226 Difference]: Without dead ends: 1896 [2020-09-21 11:28:21,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:21,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2020-09-21 11:28:21,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1884. [2020-09-21 11:28:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1884 states. [2020-09-21 11:28:21,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1884 states and 2507 transitions. [2020-09-21 11:28:21,096 INFO L78 Accepts]: Start accepts. Automaton has 1884 states and 2507 transitions. Word has length 219 [2020-09-21 11:28:21,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:21,097 INFO L479 AbstractCegarLoop]: Abstraction has 1884 states and 2507 transitions. [2020-09-21 11:28:21,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:21,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2507 transitions. [2020-09-21 11:28:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-09-21 11:28:21,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:21,104 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, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:21,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:28:21,104 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:21,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:21,105 INFO L82 PathProgramCache]: Analyzing trace with hash -56962879, now seen corresponding path program 1 times [2020-09-21 11:28:21,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:21,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785710278] [2020-09-21 11:28:21,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:21,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:28:21,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -89 [2020-09-21 11:28:21,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 89 [2020-09-21 11:28:21,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:21,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-09-21 11:28:21,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:21,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:28:21,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-09-21 11:28:21,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:28:21,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:21,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:21,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:21,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:21,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:21,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:21,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:21,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:21,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:21,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:21,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:21,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:21,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:21,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:21,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:21,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:21,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:28:21,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:21,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:21,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:28:21,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:21,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:28:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:21,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:21,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:21,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:21,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:21,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:21,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:28:21,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:28:21,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:21,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-21 11:28:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:21,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:21,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:21,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:21,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:21,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:28:21,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:21,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:21,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:21,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:21,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-21 11:28:21,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:21,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 243 proven. 75 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-09-21 11:28:21,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785710278] [2020-09-21 11:28:21,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:21,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:21,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361610142] [2020-09-21 11:28:21,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:21,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:21,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:21,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:21,976 INFO L87 Difference]: Start difference. First operand 1884 states and 2507 transitions. Second operand 7 states. [2020-09-21 11:28:23,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:23,785 INFO L93 Difference]: Finished difference Result 3688 states and 4983 transitions. [2020-09-21 11:28:23,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:23,786 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 303 [2020-09-21 11:28:23,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:23,795 INFO L225 Difference]: With dead ends: 3688 [2020-09-21 11:28:23,796 INFO L226 Difference]: Without dead ends: 1910 [2020-09-21 11:28:23,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:23,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2020-09-21 11:28:23,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1880. [2020-09-21 11:28:23,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1880 states. [2020-09-21 11:28:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2201 transitions. [2020-09-21 11:28:23,859 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2201 transitions. Word has length 303 [2020-09-21 11:28:23,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:23,860 INFO L479 AbstractCegarLoop]: Abstraction has 1880 states and 2201 transitions. [2020-09-21 11:28:23,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:23,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2201 transitions. [2020-09-21 11:28:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-09-21 11:28:23,868 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:23,869 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:23,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:28:23,869 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:23,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:23,870 INFO L82 PathProgramCache]: Analyzing trace with hash -48667167, now seen corresponding path program 1 times [2020-09-21 11:28:23,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:23,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314226489] [2020-09-21 11:28:23,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:24,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 7 [2020-09-21 11:28:24,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -311 [2020-09-21 11:28:24,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 311 [2020-09-21 11:28:24,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:24,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 455 [2020-09-21 11:28:24,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:24,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:28:24,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:24,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:24,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 317 [2020-09-21 11:28:24,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:28:24,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:24,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:24,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:24,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:24,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:24,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:24,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:24,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:24,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:24,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:24,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:24,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:24,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:24,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:24,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:24,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:24,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:28:24,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:24,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:24,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:24,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:24,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:24,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:24,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:24,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:28:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:24,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:24,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:24,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:24,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:24,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:24,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:24,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:24,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:24,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:24,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:24,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:24,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:24,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-21 11:28:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:24,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:24,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:24,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:24,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:24,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:24,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:24,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:28:24,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:28:24,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:24,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-21 11:28:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:24,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:24,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:24,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:24,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:24,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:28:24,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:24,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:28:24,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:28:24,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:24,695 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 441 proven. 2 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-09-21 11:28:24,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314226489] [2020-09-21 11:28:24,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:24,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:28:24,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035822204] [2020-09-21 11:28:24,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:24,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:24,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:24,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:24,699 INFO L87 Difference]: Start difference. First operand 1880 states and 2201 transitions. Second operand 8 states. [2020-09-21 11:28:27,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:27,852 INFO L93 Difference]: Finished difference Result 5048 states and 5952 transitions. [2020-09-21 11:28:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:28:27,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 438 [2020-09-21 11:28:27,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:27,868 INFO L225 Difference]: With dead ends: 5048 [2020-09-21 11:28:27,869 INFO L226 Difference]: Without dead ends: 3168 [2020-09-21 11:28:27,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:28:27,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2020-09-21 11:28:27,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 2432. [2020-09-21 11:28:27,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2432 states. [2020-09-21 11:28:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 2717 transitions. [2020-09-21 11:28:27,940 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 2717 transitions. Word has length 438 [2020-09-21 11:28:27,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:27,941 INFO L479 AbstractCegarLoop]: Abstraction has 2432 states and 2717 transitions. [2020-09-21 11:28:27,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:27,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 2717 transitions. [2020-09-21 11:28:27,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2020-09-21 11:28:27,956 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:27,956 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, 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:27,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:28:27,957 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:27,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:27,957 INFO L82 PathProgramCache]: Analyzing trace with hash -347726080, now seen corresponding path program 1 times [2020-09-21 11:28:27,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:27,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304691935] [2020-09-21 11:28:27,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:28:28,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -111 [2020-09-21 11:28:28,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 146 [2020-09-21 11:28:28,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-09-21 11:28:28,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-21 11:28:28,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-09-21 11:28:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:28:28,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:28,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:28,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:28,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:28,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:28,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:28,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:28,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:28,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:28,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:28,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:28,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:28:28,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:28,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:28,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:28:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:28,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:28,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:28,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:28,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:28:28,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:28:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:28,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-21 11:28:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:28,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:28,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:28,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 11:28:28,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:28:28,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:28:28,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:28,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-21 11:28:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:28,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:28,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:28,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:28,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:28,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:28,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-09-21 11:28:28,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:28,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:28,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-09-21 11:28:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:28,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:28,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:28,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:28:28,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:28,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-21 11:28:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:28,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 426 proven. 142 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2020-09-21 11:28:29,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304691935] [2020-09-21 11:28:29,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:29,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:29,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500455367] [2020-09-21 11:28:29,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:29,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:29,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:29,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:29,007 INFO L87 Difference]: Start difference. First operand 2432 states and 2717 transitions. Second operand 7 states. [2020-09-21 11:28:30,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:30,123 INFO L93 Difference]: Finished difference Result 4678 states and 5259 transitions. [2020-09-21 11:28:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:28:30,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 558 [2020-09-21 11:28:30,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:30,137 INFO L225 Difference]: With dead ends: 4678 [2020-09-21 11:28:30,137 INFO L226 Difference]: Without dead ends: 2618 [2020-09-21 11:28:30,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:30,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2020-09-21 11:28:30,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 2616. [2020-09-21 11:28:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2616 states. [2020-09-21 11:28:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 2909 transitions. [2020-09-21 11:28:30,204 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 2909 transitions. Word has length 558 [2020-09-21 11:28:30,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:30,205 INFO L479 AbstractCegarLoop]: Abstraction has 2616 states and 2909 transitions. [2020-09-21 11:28:30,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 2909 transitions. [2020-09-21 11:28:30,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2020-09-21 11:28:30,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:30,221 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:30,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:28:30,221 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:30,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:30,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1705438455, now seen corresponding path program 1 times [2020-09-21 11:28:30,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:30,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784030456] [2020-09-21 11:28:30,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 585 [2020-09-21 11:28:30,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:28:30,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-09-21 11:28:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:28:30,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:30,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:30,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:30,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:30,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:28:30,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:30,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:30,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:30,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:30,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:28:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:30,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:30,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:28:30,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-21 11:28:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:28:30,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:28:30,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:30,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:30,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:28:30,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-21 11:28:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 11:28:30,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:30,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-09-21 11:28:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:30,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 438 proven. 109 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2020-09-21 11:28:31,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784030456] [2020-09-21 11:28:31,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:31,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:31,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439819405] [2020-09-21 11:28:31,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:31,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:31,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:31,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:31,256 INFO L87 Difference]: Start difference. First operand 2616 states and 2909 transitions. Second operand 7 states. [2020-09-21 11:28:33,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:33,781 INFO L93 Difference]: Finished difference Result 5790 states and 6569 transitions. [2020-09-21 11:28:33,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:33,783 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 568 [2020-09-21 11:28:33,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:33,798 INFO L225 Difference]: With dead ends: 5790 [2020-09-21 11:28:33,798 INFO L226 Difference]: Without dead ends: 3546 [2020-09-21 11:28:33,804 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 11:28:33,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2020-09-21 11:28:33,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 2800. [2020-09-21 11:28:33,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2800 states. [2020-09-21 11:28:33,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 3189 transitions. [2020-09-21 11:28:33,894 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 3189 transitions. Word has length 568 [2020-09-21 11:28:33,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:33,895 INFO L479 AbstractCegarLoop]: Abstraction has 2800 states and 3189 transitions. [2020-09-21 11:28:33,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:33,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 3189 transitions. [2020-09-21 11:28:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2020-09-21 11:28:33,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:33,903 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:33,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:28:33,903 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:33,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:33,903 INFO L82 PathProgramCache]: Analyzing trace with hash -129077202, now seen corresponding path program 1 times [2020-09-21 11:28:33,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:33,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766687357] [2020-09-21 11:28:33,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 592 [2020-09-21 11:28:34,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:28:34,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 351 [2020-09-21 11:28:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-09-21 11:28:34,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:34,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:34,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:34,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:34,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:34,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:28:34,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:34,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:34,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:34,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:28:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:34,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:34,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:34,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:34,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-21 11:28:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 11:28:34,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:34,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-21 11:28:34,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:34,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-21 11:28:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 11:28:34,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:28:34,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-09-21 11:28:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 549 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-09-21 11:28:34,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766687357] [2020-09-21 11:28:34,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:34,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:34,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181355630] [2020-09-21 11:28:34,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:34,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:34,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:34,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:34,771 INFO L87 Difference]: Start difference. First operand 2800 states and 3189 transitions. Second operand 7 states. [2020-09-21 11:28:36,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:36,330 INFO L93 Difference]: Finished difference Result 5982 states and 6957 transitions. [2020-09-21 11:28:36,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:36,331 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 575 [2020-09-21 11:28:36,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:36,345 INFO L225 Difference]: With dead ends: 5982 [2020-09-21 11:28:36,346 INFO L226 Difference]: Without dead ends: 3738 [2020-09-21 11:28:36,352 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 11:28:36,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2020-09-21 11:28:36,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3544. [2020-09-21 11:28:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3544 states. [2020-09-21 11:28:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 3995 transitions. [2020-09-21 11:28:36,430 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 3995 transitions. Word has length 575 [2020-09-21 11:28:36,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:36,431 INFO L479 AbstractCegarLoop]: Abstraction has 3544 states and 3995 transitions. [2020-09-21 11:28:36,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 3995 transitions. [2020-09-21 11:28:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2020-09-21 11:28:36,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:36,441 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:36,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:28:36,442 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:36,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:36,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1769426761, now seen corresponding path program 1 times [2020-09-21 11:28:36,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:36,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351969727] [2020-09-21 11:28:36,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:36,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:28:36,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -111 [2020-09-21 11:28:36,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 146 [2020-09-21 11:28:36,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:36,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 707 [2020-09-21 11:28:36,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:36,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-21 11:28:36,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:36,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:36,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-09-21 11:28:36,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-09-21 11:28:36,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:36,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:36,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:36,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:36,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:36,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:36,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:36,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:36,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:36,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:36,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:36,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:36,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:36,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:36,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:36,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:28:36,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:36,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:36,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:36,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:28:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:36,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:36,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:36,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:36,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:36,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:36,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:36,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:28:36,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:28:36,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:36,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-21 11:28:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:37,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:28:37,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:37,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:37,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:37,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 11:28:37,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:28:37,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-21 11:28:37,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:37,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-21 11:28:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:37,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:37,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:37,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:37,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:37,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 11:28:37,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:37,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:28:37,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:37,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:37,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:37,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:28:37,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:37,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-09-21 11:28:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:37,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:37,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:37,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:37,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:37,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:37,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:37,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-09-21 11:28:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:37,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-09-21 11:28:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:37,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:37,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:37,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:37,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:37,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:28:37,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:37,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:37,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-09-21 11:28:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1762 backedges. 702 proven. 419 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2020-09-21 11:28:37,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351969727] [2020-09-21 11:28:37,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:37,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:28:37,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855748559] [2020-09-21 11:28:37,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:37,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:37,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:37,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:37,716 INFO L87 Difference]: Start difference. First operand 3544 states and 3995 transitions. Second operand 8 states. [2020-09-21 11:28:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:39,334 INFO L93 Difference]: Finished difference Result 6726 states and 7641 transitions. [2020-09-21 11:28:39,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:39,339 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 686 [2020-09-21 11:28:39,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:39,352 INFO L225 Difference]: With dead ends: 6726 [2020-09-21 11:28:39,352 INFO L226 Difference]: Without dead ends: 3738 [2020-09-21 11:28:39,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:28:39,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2020-09-21 11:28:39,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3732. [2020-09-21 11:28:39,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-09-21 11:28:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4190 transitions. [2020-09-21 11:28:39,435 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4190 transitions. Word has length 686 [2020-09-21 11:28:39,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:39,436 INFO L479 AbstractCegarLoop]: Abstraction has 3732 states and 4190 transitions. [2020-09-21 11:28:39,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4190 transitions. [2020-09-21 11:28:39,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2020-09-21 11:28:39,444 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:39,445 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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] [2020-09-21 11:28:39,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:28:39,445 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:39,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:39,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1537329314, now seen corresponding path program 1 times [2020-09-21 11:28:39,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:39,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068540364] [2020-09-21 11:28:39,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 753 [2020-09-21 11:28:39,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:28:39,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 512 [2020-09-21 11:28:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-09-21 11:28:39,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:39,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:39,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:39,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:39,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:39,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:39,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:39,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:28:39,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:39,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:39,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:39,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:39,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:39,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:28:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:39,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:39,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:39,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:39,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:39,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:39,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-21 11:28:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 11:28:39,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:39,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:39,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:39,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-21 11:28:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-21 11:28:39,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:39,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-09-21 11:28:39,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:40,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-09-21 11:28:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:40,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:40,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:40,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:40,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:40,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 11:28:40,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:40,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:28:40,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-09-21 11:28:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 763 proven. 2 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-09-21 11:28:40,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068540364] [2020-09-21 11:28:40,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:40,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:40,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260170246] [2020-09-21 11:28:40,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:40,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:40,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:40,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:40,493 INFO L87 Difference]: Start difference. First operand 3732 states and 4190 transitions. Second operand 7 states. [2020-09-21 11:28:42,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:42,179 INFO L93 Difference]: Finished difference Result 7480 states and 8526 transitions. [2020-09-21 11:28:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:42,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 734 [2020-09-21 11:28:42,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:42,197 INFO L225 Difference]: With dead ends: 7480 [2020-09-21 11:28:42,197 INFO L226 Difference]: Without dead ends: 4488 [2020-09-21 11:28:42,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:28:42,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4488 states. [2020-09-21 11:28:42,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4488 to 4292. [2020-09-21 11:28:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4292 states. [2020-09-21 11:28:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4292 states to 4292 states and 4836 transitions. [2020-09-21 11:28:42,284 INFO L78 Accepts]: Start accepts. Automaton has 4292 states and 4836 transitions. Word has length 734 [2020-09-21 11:28:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:42,285 INFO L479 AbstractCegarLoop]: Abstraction has 4292 states and 4836 transitions. [2020-09-21 11:28:42,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 4292 states and 4836 transitions. [2020-09-21 11:28:42,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2020-09-21 11:28:42,296 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:42,297 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 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, 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] [2020-09-21 11:28:42,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:28:42,297 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:42,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:42,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1666695367, now seen corresponding path program 1 times [2020-09-21 11:28:42,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:42,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2073344689] [2020-09-21 11:28:42,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 7 [2020-09-21 11:28:42,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -506 [2020-09-21 11:28:42,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 506 [2020-09-21 11:28:42,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 831 [2020-09-21 11:28:42,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:28:42,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 512 [2020-09-21 11:28:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:28:42,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:42,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:42,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:42,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:42,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:42,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:42,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:42,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:28:42,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:42,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:42,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:42,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:42,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:42,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:28:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:42,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:42,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:42,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:42,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:42,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:42,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-21 11:28:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 11:28:42,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:42,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:42,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:42,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-21 11:28:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-21 11:28:42,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:42,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-09-21 11:28:42,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:42,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-09-21 11:28:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:42,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:42,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:42,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:42,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:42,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:28:42,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:42,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:42,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:42,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:28:42,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:43,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-09-21 11:28:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:43,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:43,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:43,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:43,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:43,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 11:28:43,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:43,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:43,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-09-21 11:28:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:43,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1857 backedges. 641 proven. 75 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2020-09-21 11:28:43,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2073344689] [2020-09-21 11:28:43,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:43,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:28:43,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864674505] [2020-09-21 11:28:43,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:43,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:43,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:43,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:43,475 INFO L87 Difference]: Start difference. First operand 4292 states and 4836 transitions. Second operand 8 states. [2020-09-21 11:28:45,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:45,655 INFO L93 Difference]: Finished difference Result 9890 states and 11192 transitions. [2020-09-21 11:28:45,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:28:45,656 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 810 [2020-09-21 11:28:45,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:45,684 INFO L225 Difference]: With dead ends: 9890 [2020-09-21 11:28:45,684 INFO L226 Difference]: Without dead ends: 6154 [2020-09-21 11:28:45,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:28:45,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6154 states. [2020-09-21 11:28:45,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6154 to 5778. [2020-09-21 11:28:45,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5778 states. [2020-09-21 11:28:45,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 6395 transitions. [2020-09-21 11:28:45,795 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 6395 transitions. Word has length 810 [2020-09-21 11:28:45,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:45,795 INFO L479 AbstractCegarLoop]: Abstraction has 5778 states and 6395 transitions. [2020-09-21 11:28:45,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:45,797 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 6395 transitions. [2020-09-21 11:28:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 829 [2020-09-21 11:28:45,814 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:45,814 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 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, 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] [2020-09-21 11:28:45,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:28:45,815 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:45,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:45,815 INFO L82 PathProgramCache]: Analyzing trace with hash -504534517, now seen corresponding path program 1 times [2020-09-21 11:28:45,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:45,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445304865] [2020-09-21 11:28:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 849 [2020-09-21 11:28:46,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:28:46,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:46,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 789 [2020-09-21 11:28:46,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 11:28:46,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:46,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:46,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:46,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:28:46,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:46,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:46,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:46,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:28:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:46,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:46,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:46,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-21 11:28:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 11:28:46,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:46,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:46,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-21 11:28:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-09-21 11:28:46,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:46,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:46,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:46,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-09-21 11:28:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:28:46,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:46,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:46,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-09-21 11:28:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 11:28:46,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:46,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-21 11:28:46,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 327 proven. 6 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2020-09-21 11:28:46,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445304865] [2020-09-21 11:28:46,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:46,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:46,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758156239] [2020-09-21 11:28:46,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:46,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:46,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:46,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:46,878 INFO L87 Difference]: Start difference. First operand 5778 states and 6395 transitions. Second operand 5 states. [2020-09-21 11:28:48,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:48,196 INFO L93 Difference]: Finished difference Result 5782 states and 6398 transitions. [2020-09-21 11:28:48,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:48,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 828 [2020-09-21 11:28:48,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:48,209 INFO L225 Difference]: With dead ends: 5782 [2020-09-21 11:28:48,209 INFO L226 Difference]: Without dead ends: 5780 [2020-09-21 11:28:48,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:48,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2020-09-21 11:28:48,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5778. [2020-09-21 11:28:48,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5778 states. [2020-09-21 11:28:48,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 6393 transitions. [2020-09-21 11:28:48,293 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 6393 transitions. Word has length 828 [2020-09-21 11:28:48,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:48,294 INFO L479 AbstractCegarLoop]: Abstraction has 5778 states and 6393 transitions. [2020-09-21 11:28:48,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 6393 transitions. [2020-09-21 11:28:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2020-09-21 11:28:48,309 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:48,310 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:48,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:28:48,310 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:48,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:48,311 INFO L82 PathProgramCache]: Analyzing trace with hash -177347705, now seen corresponding path program 1 times [2020-09-21 11:28:48,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:48,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753793359] [2020-09-21 11:28:48,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:28:48,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -802 [2020-09-21 11:28:48,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 802 [2020-09-21 11:28:48,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 868 [2020-09-21 11:28:48,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:28:48,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 808 [2020-09-21 11:28:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 11:28:48,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:48,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:48,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:48,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:28:48,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:48,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:48,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:48,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:28:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:48,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:48,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:48,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-21 11:28:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 11:28:48,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:48,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:48,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-21 11:28:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-21 11:28:48,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:48,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:48,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-09-21 11:28:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 11:28:48,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:48,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:48,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:48,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2020-09-21 11:28:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:48,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:48,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:48,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:48,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2020-09-21 11:28:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:49,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:49,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:49,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:49,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:49,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:28:49,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:49,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:28:49,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-21 11:28:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 382 proven. 7 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2020-09-21 11:28:49,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753793359] [2020-09-21 11:28:49,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:49,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:49,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227864949] [2020-09-21 11:28:49,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:49,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:49,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:49,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:49,386 INFO L87 Difference]: Start difference. First operand 5778 states and 6393 transitions. Second operand 5 states. [2020-09-21 11:28:50,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:50,621 INFO L93 Difference]: Finished difference Result 10626 states and 11844 transitions. [2020-09-21 11:28:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:50,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 845 [2020-09-21 11:28:50,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:50,623 INFO L225 Difference]: With dead ends: 10626 [2020-09-21 11:28:50,623 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:28:50,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:50,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:28:50,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:28:50,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:28:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:28:50,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 845 [2020-09-21 11:28:50,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:50,641 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:28:50,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:50,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:28:50,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:28:50,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 11:28:50,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:28:51,166 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2020-09-21 11:28:51,296 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-09-21 11:28:52,199 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 136 [2020-09-21 11:28:52,539 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 136 [2020-09-21 11:28:54,015 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 229 DAG size of output: 59 [2020-09-21 11:28:54,800 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 44 [2020-09-21 11:28:55,642 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 44 [2020-09-21 11:28:55,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:55,647 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 11:28:55,647 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:55,647 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-09-21 11:28:55,648 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-09-21 11:28:55,648 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,648 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,648 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,649 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-09-21 11:28:55,649 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 11:28:55,649 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 11:28:55,649 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 11:28:55,649 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-09-21 11:28:55,649 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-09-21 11:28:55,649 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-09-21 11:28:55,649 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-09-21 11:28:55,650 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,650 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,650 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,650 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-09-21 11:28:55,650 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-09-21 11:28:55,650 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 11:28:55,650 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 11:28:55,651 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 11:28:55,651 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-09-21 11:28:55,651 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-09-21 11:28:55,651 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-09-21 11:28:55,651 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,651 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,651 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,651 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-09-21 11:28:55,651 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:28:55,651 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 11:28:55,652 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 11:28:55,652 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-09-21 11:28:55,652 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-09-21 11:28:55,652 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-09-21 11:28:55,652 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-09-21 11:28:55,652 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-09-21 11:28:55,652 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,652 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,652 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,653 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-09-21 11:28:55,653 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 11:28:55,653 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 11:28:55,653 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 11:28:55,653 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-09-21 11:28:55,653 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-09-21 11:28:55,654 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-09-21 11:28:55,654 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,654 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,654 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,654 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-09-21 11:28:55,654 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 11:28:55,654 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 11:28:55,654 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 11:28:55,655 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-09-21 11:28:55,655 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-09-21 11:28:55,655 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-09-21 11:28:55,655 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-09-21 11:28:55,655 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-09-21 11:28:55,655 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,655 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,655 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,656 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,656 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-09-21 11:28:55,656 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:28:55,656 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:28:55,656 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 11:28:55,656 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-09-21 11:28:55,656 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-09-21 11:28:55,656 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-09-21 11:28:55,656 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-09-21 11:28:55,656 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,657 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,657 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,657 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 11:28:55,657 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 11:28:55,657 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 11:28:55,657 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-09-21 11:28:55,657 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-09-21 11:28:55,657 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-09-21 11:28:55,657 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-09-21 11:28:55,657 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-09-21 11:28:55,658 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,658 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,658 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,658 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-09-21 11:28:55,658 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-09-21 11:28:55,658 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 11:28:55,658 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 11:28:55,658 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 11:28:55,658 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-09-21 11:28:55,659 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse5 (= ~a24~0 |old(~a24~0)|)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a12~0 |old(~a12~0)|))) (let ((.cse0 (= 8 |old(~a21~0)|)) (.cse3 (not (= 8 |old(~a15~0)|))) (.cse9 (not (= 9 |old(~a15~0)|))) (.cse4 (= 9 |old(~a21~0)|)) (.cse1 (not (<= |old(~a15~0)| 6))) (.cse2 (and .cse5 .cse6 .cse7 (= ~a15~0 |old(~a15~0)|))) (.cse8 (not (<= 0 (+ |old(~a12~0)| 2))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 (not (<= 7 |old(~a21~0)|)) (and .cse5 .cse6 (= ~a15~0 8) .cse7) (not (<= (+ |old(~a12~0)| 49) 0))) (or (and (= 7 ~a15~0) .cse5 .cse6 .cse7) (not (= 7 |old(~a15~0)|))) (or .cse2 .cse3 .cse4 .cse8) (or .cse2 .cse3 .cse8 (not (<= |old(~a12~0)| 76))) (or .cse2 .cse9 .cse8) (or .cse2 .cse9 .cse4) (or .cse1 .cse2 .cse8)))) [2020-09-21 11:28:55,659 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-09-21 11:28:55,659 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-09-21 11:28:55,659 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,659 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,660 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,660 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:28:55,660 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:28:55,660 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 11:28:55,660 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-09-21 11:28:55,660 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-09-21 11:28:55,660 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-09-21 11:28:55,660 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-09-21 11:28:55,661 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-09-21 11:28:55,661 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,661 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,661 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,661 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-09-21 11:28:55,661 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-09-21 11:28:55,661 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 11:28:55,662 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:28:55,662 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 11:28:55,662 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-09-21 11:28:55,662 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-09-21 11:28:55,662 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-09-21 11:28:55,662 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,662 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,662 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,663 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-09-21 11:28:55,663 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 11:28:55,663 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 11:28:55,663 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 11:28:55,663 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-09-21 11:28:55,663 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-09-21 11:28:55,663 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-09-21 11:28:55,663 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-09-21 11:28:55,664 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,664 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,664 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,664 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-09-21 11:28:55,664 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:28:55,664 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:28:55,664 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 11:28:55,664 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-09-21 11:28:55,665 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-09-21 11:28:55,665 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-09-21 11:28:55,665 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-09-21 11:28:55,665 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,665 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,665 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-09-21 11:28:55,665 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:28:55,665 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 11:28:55,665 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-09-21 11:28:55,666 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-09-21 11:28:55,666 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-09-21 11:28:55,666 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-09-21 11:28:55,666 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-09-21 11:28:55,666 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2020-09-21 11:28:55,666 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,666 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,666 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-09-21 11:28:55,666 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 11:28:55,667 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-09-21 11:28:55,668 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-09-21 11:28:55,669 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-09-21 11:28:55,670 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-09-21 11:28:55,671 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-09-21 11:28:55,672 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-09-21 11:28:55,673 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-09-21 11:28:55,673 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,673 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,673 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,673 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-09-21 11:28:55,673 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 11:28:55,673 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 11:28:55,674 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 11:28:55,674 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-09-21 11:28:55,674 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-09-21 11:28:55,674 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-09-21 11:28:55,674 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-09-21 11:28:55,674 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-09-21 11:28:55,674 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,675 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,675 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:55,675 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-09-21 11:28:55,675 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 11:28:55,675 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 11:28:55,675 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 11:28:55,676 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-09-21 11:28:55,676 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:55,676 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= 7 ~a21~0)) [2020-09-21 11:28:55,676 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:28:55,676 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:55,677 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-09-21 11:28:55,677 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-09-21 11:28:55,677 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (= ~a15~0 9)) (.cse0 (not (= ~a21~0 9))) (.cse4 (not (= ~a21~0 8))) (.cse2 (= ~a15~0 |old(~a15~0)|)) (.cse3 (<= 0 (+ ~a12~0 2))) (.cse5 (<= ~a15~0 6))) (or (not (= 7 |old(~a21~0)|)) (= 7 ~a15~0) (and .cse0 .cse1) (and .cse0 .cse2 .cse3) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse3) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= 7 ~a21~0) (<= ~a15~0 8) .cse0 (= ~a12~0 |old(~a12~0)|) .cse4) (and .cse4 .cse5) (and .cse2 .cse3 (<= ~a12~0 76)) (and .cse3 .cse5))) [2020-09-21 11:28:55,677 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-09-21 11:28:55,677 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-09-21 11:28:55,678 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (= ~a15~0 9)) (.cse0 (not (= ~a21~0 9))) (.cse4 (not (= ~a21~0 8))) (.cse2 (= ~a15~0 |old(~a15~0)|)) (.cse3 (<= 0 (+ ~a12~0 2))) (.cse5 (<= ~a15~0 6))) (or (not (= 7 |old(~a21~0)|)) (= 7 ~a15~0) (and .cse0 .cse1) (and .cse0 .cse2 .cse3) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse3) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= 7 ~a21~0) (<= ~a15~0 8) .cse0 (= ~a12~0 |old(~a12~0)|) .cse4) (and .cse4 .cse5) (and .cse2 .cse3 (<= ~a12~0 76)) (and .cse3 .cse5))) [2020-09-21 11:28:55,678 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-09-21 11:28:55,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:28:55 BoogieIcfgContainer [2020-09-21 11:28:55,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:28:55,706 INFO L168 Benchmark]: Toolchain (without parser) took 49640.49 ms. Allocated memory was 141.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 102.7 MB in the beginning and 82.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-09-21 11:28:55,707 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:28:55,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.95 ms. Allocated memory was 141.0 MB in the beginning and 207.1 MB in the end (delta: 66.1 MB). Free memory was 102.0 MB in the beginning and 170.2 MB in the end (delta: -68.2 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:55,708 INFO L168 Benchmark]: Boogie Preprocessor took 138.72 ms. Allocated memory is still 207.1 MB. Free memory was 170.2 MB in the beginning and 164.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:55,709 INFO L168 Benchmark]: RCFGBuilder took 1657.30 ms. Allocated memory was 207.1 MB in the beginning and 237.5 MB in the end (delta: 30.4 MB). Free memory was 164.6 MB in the beginning and 153.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:55,710 INFO L168 Benchmark]: TraceAbstraction took 46888.21 ms. Allocated memory was 237.5 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 153.9 MB in the beginning and 82.7 MB in the end (delta: 71.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-09-21 11:28:55,713 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 943.95 ms. Allocated memory was 141.0 MB in the beginning and 207.1 MB in the end (delta: 66.1 MB). Free memory was 102.0 MB in the beginning and 170.2 MB in the end (delta: -68.2 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.72 ms. Allocated memory is still 207.1 MB. Free memory was 170.2 MB in the beginning and 164.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1657.30 ms. Allocated memory was 207.1 MB in the beginning and 237.5 MB in the end (delta: 30.4 MB). Free memory was 164.6 MB in the beginning and 153.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46888.21 ms. Allocated memory was 237.5 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 153.9 MB in the beginning and 82.7 MB in the end (delta: 71.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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: (((((((((!(7 == \old(a21)) || 7 == a15) || (!(a21 == 9) && a15 == 9)) || ((!(a21 == 9) && a15 == \old(a15)) && 0 <= a12 + 2)) || !(8 == \old(a15))) || (a15 == 9 && 0 <= a12 + 2)) || !(\old(a12) + 49 <= 0)) || ((((7 <= a21 && a15 <= 8) && !(a21 == 9)) && a12 == \old(a12)) && !(a21 == 8))) || (!(a21 == 8) && a15 <= 6)) || ((a15 == \old(a15) && 0 <= a12 + 2) && a12 <= 76)) || (0 <= a12 + 2 && a15 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.7s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 28.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 373 SDtfs, 10169 SDslu, 521 SDs, 0 SdLazy, 15459 SolverSat, 2347 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 175 SyntacticMatches, 4 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5778occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 2358 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 189 PreInvPairs, 259 NumberOfFragments, 464 HoareAnnotationTreeSize, 189 FomulaSimplifications, 45787 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16924 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 6978 NumberOfCodeBlocks, 6978 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 6964 ConstructedInterpolants, 0 QuantifiedInterpolants, 7930850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 12758/13668 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...