/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:07:09,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:07:09,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:07:09,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:07:09,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:07:09,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:07:09,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:07:09,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:07:09,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:07:09,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:07:09,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:07:09,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:07:09,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:07:09,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:07:09,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:07:09,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:07:09,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:07:09,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:07:09,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:07:09,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:07:09,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:07:09,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:07:09,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:07:09,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:07:09,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:07:09,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:07:09,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:07:09,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:07:09,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:07:09,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:07:09,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:07:09,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:07:09,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:07:09,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:07:09,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:07:09,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:07:09,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:07:09,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:07:09,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:07:09,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:07:09,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:07:09,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 08:07:09,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:07:09,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:07:09,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:07:09,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:07:09,776 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:07:09,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:07:09,776 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:07:09,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:07:09,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:07:09,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:07:09,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:07:09,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:07:09,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:07:09,778 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:07:09,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:07:09,778 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:07:09,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:07:09,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:07:09,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:07:09,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:07:09,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:07:09,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:07:09,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:07:09,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:07:09,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:07:09,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:07:09,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:07:09,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:07:09,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:07:09,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:07:10,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:07:10,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:07:10,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:07:10,096 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:07:10,097 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:07:10,098 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label20.c [2020-10-13 08:07:10,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad8508039/ac84cec8a5df4cbf823e2c6d72701a6b/FLAG03edcbb0b [2020-10-13 08:07:10,808 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:07:10,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label20.c [2020-10-13 08:07:10,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad8508039/ac84cec8a5df4cbf823e2c6d72701a6b/FLAG03edcbb0b [2020-10-13 08:07:11,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad8508039/ac84cec8a5df4cbf823e2c6d72701a6b [2020-10-13 08:07:11,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:07:11,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:07:11,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:07:11,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:07:11,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:07:11,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:11" (1/1) ... [2020-10-13 08:07:11,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779392b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:11, skipping insertion in model container [2020-10-13 08:07:11,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:11" (1/1) ... [2020-10-13 08:07:11,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:07:11,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:07:11,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:07:11,808 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:07:12,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:07:12,282 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:07:12,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:12 WrapperNode [2020-10-13 08:07:12,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:07:12,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:07:12,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:07:12,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:07:12,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:12" (1/1) ... [2020-10-13 08:07:12,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:12" (1/1) ... [2020-10-13 08:07:12,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:12" (1/1) ... [2020-10-13 08:07:12,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:12" (1/1) ... [2020-10-13 08:07:12,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:12" (1/1) ... [2020-10-13 08:07:12,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:12" (1/1) ... [2020-10-13 08:07:12,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:12" (1/1) ... [2020-10-13 08:07:12,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:07:12,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:07:12,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:07:12,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:07:12,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:07:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:07:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:07:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:07:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:07:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:07:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:07:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:07:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:07:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:07:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:07:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:07:14,229 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:07:14,229 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:07:14,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:14 BoogieIcfgContainer [2020-10-13 08:07:14,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:07:14,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:07:14,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:07:14,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:07:14,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:07:11" (1/3) ... [2020-10-13 08:07:14,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728caf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:14, skipping insertion in model container [2020-10-13 08:07:14,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:12" (2/3) ... [2020-10-13 08:07:14,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728caf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:14, skipping insertion in model container [2020-10-13 08:07:14,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:14" (3/3) ... [2020-10-13 08:07:14,246 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label20.c [2020-10-13 08:07:14,258 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:07:14,267 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:07:14,284 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:07:14,315 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:07:14,316 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:07:14,316 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:07:14,316 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:07:14,316 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:07:14,316 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:07:14,317 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:07:14,317 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:07:14,344 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:07:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-13 08:07:14,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:14,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:07:14,354 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:14,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:14,362 INFO L82 PathProgramCache]: Analyzing trace with hash -960649190, now seen corresponding path program 1 times [2020-10-13 08:07:14,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:14,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735069326] [2020-10-13 08:07:14,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:14,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:14,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:14,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 08:07:14,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:14,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-10-13 08:07:14,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:14,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:07:14,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:07:14,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:07:14,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-13 08:07:14,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:14,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:14,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:14,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:15,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:07:15,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:07:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:07:15,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735069326] [2020-10-13 08:07:15,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:07:15,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:07:15,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48738179] [2020-10-13 08:07:15,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:07:15,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:15,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:07:15,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:07:15,040 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-13 08:07:17,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:17,484 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2020-10-13 08:07:17,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:07:17,487 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-13 08:07:17,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:17,506 INFO L225 Difference]: With dead ends: 791 [2020-10-13 08:07:17,506 INFO L226 Difference]: Without dead ends: 434 [2020-10-13 08:07:17,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:07:17,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-13 08:07:17,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-10-13 08:07:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-13 08:07:17,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2020-10-13 08:07:17,596 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 15 [2020-10-13 08:07:17,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:17,596 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2020-10-13 08:07:17,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:07:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2020-10-13 08:07:17,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-13 08:07:17,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:17,601 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 08:07:17,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:07:17,602 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:17,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:17,603 INFO L82 PathProgramCache]: Analyzing trace with hash -660336870, now seen corresponding path program 1 times [2020-10-13 08:07:17,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:17,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722145396] [2020-10-13 08:07:17,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:17,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:17,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:18,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:18,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 08:07:18,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:07:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 985 [2020-10-13 08:07:18,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:18,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:18,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:07:18,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:07:18,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:18,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:18,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:18,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:18,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:18,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:07:18,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:18,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:18,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:18,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:18,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:18,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:07:18,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:18,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 08:07:18,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:07:18,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:07:18,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722145396] [2020-10-13 08:07:18,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:18,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:07:18,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889853567] [2020-10-13 08:07:18,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:07:18,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:18,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:07:18,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:07:18,919 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand 5 states. [2020-10-13 08:07:21,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:21,205 INFO L93 Difference]: Finished difference Result 1258 states and 1832 transitions. [2020-10-13 08:07:21,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:07:21,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2020-10-13 08:07:21,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:21,221 INFO L225 Difference]: With dead ends: 1258 [2020-10-13 08:07:21,221 INFO L226 Difference]: Without dead ends: 834 [2020-10-13 08:07:21,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:07:21,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-10-13 08:07:21,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 818. [2020-10-13 08:07:21,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-13 08:07:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1096 transitions. [2020-10-13 08:07:21,278 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1096 transitions. Word has length 87 [2020-10-13 08:07:21,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:21,279 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 1096 transitions. [2020-10-13 08:07:21,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:07:21,279 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1096 transitions. [2020-10-13 08:07:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-13 08:07:21,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:21,283 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 08:07:21,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:07:21,283 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:21,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:21,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1316413698, now seen corresponding path program 1 times [2020-10-13 08:07:21,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:21,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346077749] [2020-10-13 08:07:21,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:21,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:21,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:22,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:22,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:22,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 08:07:22,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:07:22,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1421 [2020-10-13 08:07:22,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:07:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:07:22,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:22,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:22,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:22,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:22,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:22,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:22,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:07:22,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:22,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:22,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:23,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:23,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:07:23,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:23,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-13 08:07:23,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:07:23,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:07:23,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346077749] [2020-10-13 08:07:23,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:23,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:07:23,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967642605] [2020-10-13 08:07:23,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:07:23,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:23,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:07:23,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:07:23,097 INFO L87 Difference]: Start difference. First operand 818 states and 1096 transitions. Second operand 5 states. [2020-10-13 08:07:24,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:24,880 INFO L93 Difference]: Finished difference Result 1647 states and 2217 transitions. [2020-10-13 08:07:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:07:24,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-10-13 08:07:24,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:24,886 INFO L225 Difference]: With dead ends: 1647 [2020-10-13 08:07:24,886 INFO L226 Difference]: Without dead ends: 826 [2020-10-13 08:07:24,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:07:24,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-10-13 08:07:24,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 818. [2020-10-13 08:07:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-13 08:07:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1092 transitions. [2020-10-13 08:07:24,917 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1092 transitions. Word has length 89 [2020-10-13 08:07:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:24,917 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 1092 transitions. [2020-10-13 08:07:24,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:07:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1092 transitions. [2020-10-13 08:07:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 08:07:24,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:24,921 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 08:07:24,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:07:24,922 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:24,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:24,922 INFO L82 PathProgramCache]: Analyzing trace with hash 19717802, now seen corresponding path program 1 times [2020-10-13 08:07:24,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:24,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752016259] [2020-10-13 08:07:24,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:25,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:25,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:25,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:25,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 08:07:25,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:07:25,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 801 [2020-10-13 08:07:25,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:25,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 08:07:25,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:07:25,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:25,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:25,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:25,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:25,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:25,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:25,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:07:25,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:25,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:25,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:25,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:25,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:25,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:07:25,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:07:25,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:07:25,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:07:26,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752016259] [2020-10-13 08:07:26,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:26,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:07:26,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719755491] [2020-10-13 08:07:26,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:07:26,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:26,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:07:26,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:07:26,042 INFO L87 Difference]: Start difference. First operand 818 states and 1092 transitions. Second operand 6 states. [2020-10-13 08:07:29,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:29,596 INFO L93 Difference]: Finished difference Result 2421 states and 3383 transitions. [2020-10-13 08:07:29,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:07:29,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-10-13 08:07:29,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:29,611 INFO L225 Difference]: With dead ends: 2421 [2020-10-13 08:07:29,611 INFO L226 Difference]: Without dead ends: 1609 [2020-10-13 08:07:29,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:07:29,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2020-10-13 08:07:29,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1396. [2020-10-13 08:07:29,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1396 states. [2020-10-13 08:07:29,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1900 transitions. [2020-10-13 08:07:29,683 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1900 transitions. Word has length 95 [2020-10-13 08:07:29,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:29,684 INFO L479 AbstractCegarLoop]: Abstraction has 1396 states and 1900 transitions. [2020-10-13 08:07:29,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:07:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1900 transitions. [2020-10-13 08:07:29,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-13 08:07:29,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:29,692 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:07:29,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:07:29,693 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:29,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:29,693 INFO L82 PathProgramCache]: Analyzing trace with hash 2070996454, now seen corresponding path program 1 times [2020-10-13 08:07:29,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:29,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174258740] [2020-10-13 08:07:29,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:29,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:30,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:30,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 08:07:30,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:30,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-13 08:07:30,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:07:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:07:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:07:30,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:30,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:30,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:30,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:30,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:30,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:30,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:07:30,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:07:30,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:30,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:30,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:30,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:30,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:07:30,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-13 08:07:30,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:07:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:07:30,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:07:30,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174258740] [2020-10-13 08:07:30,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:07:30,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 08:07:30,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721235190] [2020-10-13 08:07:30,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:07:30,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:30,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:07:30,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:07:30,510 INFO L87 Difference]: Start difference. First operand 1396 states and 1900 transitions. Second operand 7 states. [2020-10-13 08:07:33,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:33,515 INFO L93 Difference]: Finished difference Result 3233 states and 4412 transitions. [2020-10-13 08:07:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:07:33,516 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2020-10-13 08:07:33,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:33,536 INFO L225 Difference]: With dead ends: 3233 [2020-10-13 08:07:33,537 INFO L226 Difference]: Without dead ends: 1843 [2020-10-13 08:07:33,543 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 [2020-10-13 08:07:33,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2020-10-13 08:07:33,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1814. [2020-10-13 08:07:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1814 states. [2020-10-13 08:07:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 2385 transitions. [2020-10-13 08:07:33,643 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 2385 transitions. Word has length 109 [2020-10-13 08:07:33,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:33,651 INFO L479 AbstractCegarLoop]: Abstraction has 1814 states and 2385 transitions. [2020-10-13 08:07:33,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:07:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2385 transitions. [2020-10-13 08:07:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-13 08:07:33,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:33,657 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:07:33,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:07:33,658 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:33,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:33,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1404753293, now seen corresponding path program 1 times [2020-10-13 08:07:33,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:33,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867251805] [2020-10-13 08:07:33,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:33,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:33,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:34,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:34,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:35,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:38,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:38,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-13 08:07:38,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:07:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 08:07:38,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-13 08:07:38,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:07:38,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:38,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:38,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:38,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:38,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:38,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:38,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:07:38,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:38,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:38,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:38,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:38,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:38,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:38,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:07:38,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:38,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 08:07:38,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:38,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:38,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:07:38,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:07:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:38,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:39,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:39,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 08:07:39,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:39,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 08:07:39,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 08:07:39,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:07:39,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867251805] [2020-10-13 08:07:39,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:39,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:07:39,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070824013] [2020-10-13 08:07:39,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:07:39,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:39,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:07:39,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:07:39,075 INFO L87 Difference]: Start difference. First operand 1814 states and 2385 transitions. Second operand 5 states. [2020-10-13 08:07:41,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:41,594 INFO L93 Difference]: Finished difference Result 4398 states and 6018 transitions. [2020-10-13 08:07:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:07:41,595 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2020-10-13 08:07:41,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:41,611 INFO L225 Difference]: With dead ends: 4398 [2020-10-13 08:07:41,611 INFO L226 Difference]: Without dead ends: 2590 [2020-10-13 08:07:41,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:07:41,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2590 states. [2020-10-13 08:07:41,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2590 to 2582. [2020-10-13 08:07:41,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2582 states. [2020-10-13 08:07:41,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 3397 transitions. [2020-10-13 08:07:41,687 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 3397 transitions. Word has length 178 [2020-10-13 08:07:41,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:41,687 INFO L479 AbstractCegarLoop]: Abstraction has 2582 states and 3397 transitions. [2020-10-13 08:07:41,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:07:41,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3397 transitions. [2020-10-13 08:07:41,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-13 08:07:41,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:41,691 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:07:41,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:07:41,691 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:41,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:41,692 INFO L82 PathProgramCache]: Analyzing trace with hash -894366490, now seen corresponding path program 1 times [2020-10-13 08:07:41,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:41,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740612472] [2020-10-13 08:07:41,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:41,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:41,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:42,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:43,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:43,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 08:07:43,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:07:43,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1540 [2020-10-13 08:07:43,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:07:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:07:43,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:43,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:43,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:43,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:43,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:43,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:43,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:07:43,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:43,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:43,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:43,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:43,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:43,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:07:43,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:43,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 08:07:43,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:07:43,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:43,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:07:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:43,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:43,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:43,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:43,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:07:43,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:07:43,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-13 08:07:43,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:43,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:43,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:07:43,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:07:43,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:07:44,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740612472] [2020-10-13 08:07:44,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:44,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:07:44,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020253851] [2020-10-13 08:07:44,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:07:44,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:44,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:07:44,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:07:44,274 INFO L87 Difference]: Start difference. First operand 2582 states and 3397 transitions. Second operand 6 states. [2020-10-13 08:07:46,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:46,703 INFO L93 Difference]: Finished difference Result 5205 states and 6881 transitions. [2020-10-13 08:07:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:07:46,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2020-10-13 08:07:46,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:46,719 INFO L225 Difference]: With dead ends: 5205 [2020-10-13 08:07:46,720 INFO L226 Difference]: Without dead ends: 2608 [2020-10-13 08:07:46,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-13 08:07:46,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2020-10-13 08:07:46,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2582. [2020-10-13 08:07:46,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2582 states. [2020-10-13 08:07:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 3390 transitions. [2020-10-13 08:07:46,822 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 3390 transitions. Word has length 181 [2020-10-13 08:07:46,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:46,823 INFO L479 AbstractCegarLoop]: Abstraction has 2582 states and 3390 transitions. [2020-10-13 08:07:46,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:07:46,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3390 transitions. [2020-10-13 08:07:46,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 08:07:46,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:46,829 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-13 08:07:46,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:07:46,830 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:46,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:46,830 INFO L82 PathProgramCache]: Analyzing trace with hash 2037379085, now seen corresponding path program 1 times [2020-10-13 08:07:46,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:46,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1254076698] [2020-10-13 08:07:46,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:46,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:47,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:47,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:47,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:47,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-13 08:07:47,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:07:47,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1092 [2020-10-13 08:07:47,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:47,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:47,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-10-13 08:07:47,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:07:47,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:48,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:48,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:48,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:48,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:48,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:48,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:07:48,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:48,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:48,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:48,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:07:48,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:48,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 08:07:48,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:48,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:07:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:48,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:48,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:48,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-13 08:07:48,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:48,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 08:07:48,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:48,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:48,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:48,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-13 08:07:48,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-13 08:07:48,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1254076698] [2020-10-13 08:07:48,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:48,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:07:48,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075080883] [2020-10-13 08:07:48,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:07:48,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:48,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:07:48,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:07:48,310 INFO L87 Difference]: Start difference. First operand 2582 states and 3390 transitions. Second operand 5 states. [2020-10-13 08:07:50,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:50,384 INFO L93 Difference]: Finished difference Result 5938 states and 8098 transitions. [2020-10-13 08:07:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:07:50,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2020-10-13 08:07:50,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:50,402 INFO L225 Difference]: With dead ends: 5938 [2020-10-13 08:07:50,403 INFO L226 Difference]: Without dead ends: 3362 [2020-10-13 08:07:50,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:07:50,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2020-10-13 08:07:50,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 3164. [2020-10-13 08:07:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2020-10-13 08:07:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4137 transitions. [2020-10-13 08:07:50,500 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4137 transitions. Word has length 217 [2020-10-13 08:07:50,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:50,501 INFO L479 AbstractCegarLoop]: Abstraction has 3164 states and 4137 transitions. [2020-10-13 08:07:50,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:07:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4137 transitions. [2020-10-13 08:07:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-13 08:07:50,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:50,505 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 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] [2020-10-13 08:07:50,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:07:50,505 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:50,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:50,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1402300876, now seen corresponding path program 1 times [2020-10-13 08:07:50,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:50,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125297234] [2020-10-13 08:07:50,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:50,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:50,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:51,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:51,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-13 08:07:51,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:07:51,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1370 [2020-10-13 08:07:51,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:51,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:51,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 08:07:51,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:07:51,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:52,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:52,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:52,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:52,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:52,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:07:52,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:07:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:52,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:52,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:52,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:07:52,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:52,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-13 08:07:52,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 08:07:52,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:52,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 08:07:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:52,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:52,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:52,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:07:52,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:52,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-13 08:07:52,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:52,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:52,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:07:52,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:07:52,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:07:52,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2125297234] [2020-10-13 08:07:52,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:52,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:07:52,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763804514] [2020-10-13 08:07:52,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:07:52,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:52,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:07:52,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:07:52,570 INFO L87 Difference]: Start difference. First operand 3164 states and 4137 transitions. Second operand 7 states. [2020-10-13 08:07:55,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:55,041 INFO L93 Difference]: Finished difference Result 7514 states and 9806 transitions. [2020-10-13 08:07:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:07:55,042 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2020-10-13 08:07:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:55,061 INFO L225 Difference]: With dead ends: 7514 [2020-10-13 08:07:55,061 INFO L226 Difference]: Without dead ends: 4356 [2020-10-13 08:07:55,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:07:55,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4356 states. [2020-10-13 08:07:55,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4356 to 4330. [2020-10-13 08:07:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4330 states. [2020-10-13 08:07:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 4330 states and 5484 transitions. [2020-10-13 08:07:55,181 INFO L78 Accepts]: Start accepts. Automaton has 4330 states and 5484 transitions. Word has length 225 [2020-10-13 08:07:55,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:55,182 INFO L479 AbstractCegarLoop]: Abstraction has 4330 states and 5484 transitions. [2020-10-13 08:07:55,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:07:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 5484 transitions. [2020-10-13 08:07:55,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-13 08:07:55,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:55,188 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 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] [2020-10-13 08:07:55,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:07:55,188 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:55,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:55,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1052017088, now seen corresponding path program 1 times [2020-10-13 08:07:55,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:55,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494439226] [2020-10-13 08:07:55,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:55,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:55,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:56,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:56,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-13 08:07:56,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:07:56,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1120 [2020-10-13 08:07:56,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-13 08:07:56,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:07:56,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:56,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:56,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:56,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:56,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:56,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:56,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:07:56,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:56,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:56,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:56,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:56,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:56,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:07:56,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:56,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-13 08:07:56,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:56,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-13 08:07:56,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:56,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 08:07:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:56,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:56,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:56,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:07:56,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:56,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-13 08:07:56,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:07:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:07:56,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:56,983 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:07:56,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494439226] [2020-10-13 08:07:56,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:56,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:07:56,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291613699] [2020-10-13 08:07:56,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:07:56,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:56,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:07:56,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:07:56,987 INFO L87 Difference]: Start difference. First operand 4330 states and 5484 transitions. Second operand 7 states. [2020-10-13 08:07:59,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:59,563 INFO L93 Difference]: Finished difference Result 9831 states and 12491 transitions. [2020-10-13 08:07:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:07:59,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-13 08:07:59,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:59,586 INFO L225 Difference]: With dead ends: 9831 [2020-10-13 08:07:59,586 INFO L226 Difference]: Without dead ends: 5507 [2020-10-13 08:07:59,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:07:59,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5507 states. [2020-10-13 08:07:59,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5507 to 5487. [2020-10-13 08:07:59,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5487 states. [2020-10-13 08:07:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 6860 transitions. [2020-10-13 08:07:59,743 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 6860 transitions. Word has length 235 [2020-10-13 08:07:59,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:59,744 INFO L479 AbstractCegarLoop]: Abstraction has 5487 states and 6860 transitions. [2020-10-13 08:07:59,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:07:59,744 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 6860 transitions. [2020-10-13 08:07:59,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 08:07:59,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:59,751 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:07:59,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:07:59,752 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:59,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:59,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1474293502, now seen corresponding path program 1 times [2020-10-13 08:07:59,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:59,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192439758] [2020-10-13 08:07:59,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:59,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:00,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:00,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-13 08:08:00,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:00,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-13 08:08:00,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 08:08:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-13 08:08:00,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:00,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:00,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:00,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:00,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:00,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:00,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:08:00,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:00,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:00,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:00,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:00,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:00,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:00,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:00,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:00,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:08:00,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 08:08:00,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 08:08:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:00,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:08:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:00,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:00,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:00,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:00,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:00,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-13 08:08:00,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:00,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:00,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:00,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:08:00,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:08:00,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192439758] [2020-10-13 08:08:00,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:00,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:08:00,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324482676] [2020-10-13 08:08:00,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:08:00,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:00,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:08:00,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:08:00,972 INFO L87 Difference]: Start difference. First operand 5487 states and 6860 transitions. Second operand 7 states. [2020-10-13 08:08:03,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:03,585 INFO L93 Difference]: Finished difference Result 11442 states and 14650 transitions. [2020-10-13 08:08:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:08:03,586 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-10-13 08:08:03,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:03,611 INFO L225 Difference]: With dead ends: 11442 [2020-10-13 08:08:03,611 INFO L226 Difference]: Without dead ends: 5961 [2020-10-13 08:08:03,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:08:03,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5961 states. [2020-10-13 08:08:03,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5961 to 5918. [2020-10-13 08:08:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5918 states. [2020-10-13 08:08:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5918 states to 5918 states and 7472 transitions. [2020-10-13 08:08:03,761 INFO L78 Accepts]: Start accepts. Automaton has 5918 states and 7472 transitions. Word has length 240 [2020-10-13 08:08:03,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:03,762 INFO L479 AbstractCegarLoop]: Abstraction has 5918 states and 7472 transitions. [2020-10-13 08:08:03,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:08:03,762 INFO L276 IsEmpty]: Start isEmpty. Operand 5918 states and 7472 transitions. [2020-10-13 08:08:03,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-13 08:08:03,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:03,772 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 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] [2020-10-13 08:08:03,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:08:03,773 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:03,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:03,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1471990893, now seen corresponding path program 1 times [2020-10-13 08:08:03,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:03,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360833632] [2020-10-13 08:08:03,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:03,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:03,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:05,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:05,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-13 08:08:05,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:05,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1332 [2020-10-13 08:08:05,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-13 08:08:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:08:05,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:05,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:05,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:05,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:05,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:05,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:05,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:05,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:05,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:05,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:05,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:05,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:05,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:08:05,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:05,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-13 08:08:05,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:05,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:05,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:05,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-13 08:08:05,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:05,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 08:08:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:05,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:05,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:05,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:05,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:05,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-13 08:08:05,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:08:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:08:05,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360833632] [2020-10-13 08:08:05,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:05,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:08:05,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018292166] [2020-10-13 08:08:05,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:08:05,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:05,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:08:05,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:08:05,821 INFO L87 Difference]: Start difference. First operand 5918 states and 7472 transitions. Second operand 7 states. [2020-10-13 08:08:09,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:09,428 INFO L93 Difference]: Finished difference Result 12758 states and 16744 transitions. [2020-10-13 08:08:09,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:08:09,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 256 [2020-10-13 08:08:09,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:09,464 INFO L225 Difference]: With dead ends: 12758 [2020-10-13 08:08:09,464 INFO L226 Difference]: Without dead ends: 6846 [2020-10-13 08:08:09,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:08:09,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6846 states. [2020-10-13 08:08:09,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6846 to 6702. [2020-10-13 08:08:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6702 states. [2020-10-13 08:08:09,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6702 states to 6702 states and 8376 transitions. [2020-10-13 08:08:09,702 INFO L78 Accepts]: Start accepts. Automaton has 6702 states and 8376 transitions. Word has length 256 [2020-10-13 08:08:09,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:09,703 INFO L479 AbstractCegarLoop]: Abstraction has 6702 states and 8376 transitions. [2020-10-13 08:08:09,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:08:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 6702 states and 8376 transitions. [2020-10-13 08:08:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-13 08:08:09,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:09,711 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:08:09,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:08:09,711 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:09,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:09,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1346345907, now seen corresponding path program 1 times [2020-10-13 08:08:09,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:09,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000240859] [2020-10-13 08:08:09,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:09,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:10,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:10,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 08:08:10,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:10,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-13 08:08:10,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-13 08:08:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:08:10,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:10,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:10,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:10,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:10,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:10,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:10,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:10,379 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-10-13 08:08:10,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:10,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:10,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:10,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:08:10,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:10,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 08:08:10,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:10,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:10,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:10,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:10,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:10,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 08:08:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:10,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:10,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:10,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:08:10,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:10,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-13 08:08:10,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:10,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-13 08:08:10,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-13 08:08:10,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1000240859] [2020-10-13 08:08:10,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:10,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:10,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662915552] [2020-10-13 08:08:10,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:10,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:10,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:10,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:10,746 INFO L87 Difference]: Start difference. First operand 6702 states and 8376 transitions. Second operand 5 states. [2020-10-13 08:08:13,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:13,171 INFO L93 Difference]: Finished difference Result 14589 states and 18765 transitions. [2020-10-13 08:08:13,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:13,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 262 [2020-10-13 08:08:13,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:13,202 INFO L225 Difference]: With dead ends: 14589 [2020-10-13 08:08:13,202 INFO L226 Difference]: Without dead ends: 8283 [2020-10-13 08:08:13,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:13,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8283 states. [2020-10-13 08:08:13,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8283 to 7878. [2020-10-13 08:08:13,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7878 states. [2020-10-13 08:08:13,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7878 states to 7878 states and 9989 transitions. [2020-10-13 08:08:13,387 INFO L78 Accepts]: Start accepts. Automaton has 7878 states and 9989 transitions. Word has length 262 [2020-10-13 08:08:13,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:13,388 INFO L479 AbstractCegarLoop]: Abstraction has 7878 states and 9989 transitions. [2020-10-13 08:08:13,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:13,388 INFO L276 IsEmpty]: Start isEmpty. Operand 7878 states and 9989 transitions. [2020-10-13 08:08:13,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-13 08:08:13,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:13,396 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 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] [2020-10-13 08:08:13,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:08:13,397 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:13,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:13,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1438241678, now seen corresponding path program 1 times [2020-10-13 08:08:13,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:13,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174443831] [2020-10-13 08:08:13,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:13,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:14,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:14,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:14,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-13 08:08:14,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:14,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-10-13 08:08:14,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:14,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:08:14,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:08:14,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-13 08:08:14,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:14,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:14,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:14,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:14,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:14,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:14,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:08:14,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:14,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:14,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:14,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:08:14,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:14,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:14,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:14,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:14,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 08:08:14,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:14,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-13 08:08:14,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:14,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:14,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:14,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-13 08:08:14,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:14,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 08:08:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:14,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:14,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:14,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:14,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 08:08:14,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 08:08:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:14,976 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 16 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 08:08:14,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174443831] [2020-10-13 08:08:14,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:14,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:08:14,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721543166] [2020-10-13 08:08:14,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:08:14,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:14,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:08:14,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:08:14,978 INFO L87 Difference]: Start difference. First operand 7878 states and 9989 transitions. Second operand 7 states. [2020-10-13 08:08:18,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:18,088 INFO L93 Difference]: Finished difference Result 17236 states and 22540 transitions. [2020-10-13 08:08:18,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:08:18,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 268 [2020-10-13 08:08:18,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:18,127 INFO L225 Difference]: With dead ends: 17236 [2020-10-13 08:08:18,128 INFO L226 Difference]: Without dead ends: 9368 [2020-10-13 08:08:18,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:08:18,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9368 states. [2020-10-13 08:08:18,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9368 to 9260. [2020-10-13 08:08:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9260 states. [2020-10-13 08:08:18,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9260 states to 9260 states and 11565 transitions. [2020-10-13 08:08:18,339 INFO L78 Accepts]: Start accepts. Automaton has 9260 states and 11565 transitions. Word has length 268 [2020-10-13 08:08:18,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:18,339 INFO L479 AbstractCegarLoop]: Abstraction has 9260 states and 11565 transitions. [2020-10-13 08:08:18,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:08:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 9260 states and 11565 transitions. [2020-10-13 08:08:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-13 08:08:18,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:18,351 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:18,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:08:18,352 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:18,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:18,352 INFO L82 PathProgramCache]: Analyzing trace with hash -744091868, now seen corresponding path program 1 times [2020-10-13 08:08:18,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:18,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983976134] [2020-10-13 08:08:18,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:18,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:18,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:19,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:19,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-13 08:08:19,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:19,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 762 [2020-10-13 08:08:19,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-13 08:08:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:08:19,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:19,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:19,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:19,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:19,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:19,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:19,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:08:19,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:19,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:19,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:19,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:19,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:19,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:19,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:08:19,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:08:19,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:19,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:19,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:19,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 08:08:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:19,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:19,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:19,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 08:08:19,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 08:08:19,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-13 08:08:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:19,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-13 08:08:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:19,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:19,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:19,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:19,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:19,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:19,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-13 08:08:19,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:08:19,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:20,048 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-10-13 08:08:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 201 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:08:20,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983976134] [2020-10-13 08:08:20,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:20,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:08:20,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836325052] [2020-10-13 08:08:20,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:08:20,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:20,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:08:20,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:20,537 INFO L87 Difference]: Start difference. First operand 9260 states and 11565 transitions. Second operand 6 states. [2020-10-13 08:08:22,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:22,556 INFO L93 Difference]: Finished difference Result 18375 states and 23066 transitions. [2020-10-13 08:08:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:08:22,557 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 309 [2020-10-13 08:08:22,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:22,585 INFO L225 Difference]: With dead ends: 18375 [2020-10-13 08:08:22,585 INFO L226 Difference]: Without dead ends: 9294 [2020-10-13 08:08:22,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-13 08:08:22,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9294 states. [2020-10-13 08:08:22,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9294 to 9258. [2020-10-13 08:08:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9258 states. [2020-10-13 08:08:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9258 states to 9258 states and 11550 transitions. [2020-10-13 08:08:22,776 INFO L78 Accepts]: Start accepts. Automaton has 9258 states and 11550 transitions. Word has length 309 [2020-10-13 08:08:22,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:22,777 INFO L479 AbstractCegarLoop]: Abstraction has 9258 states and 11550 transitions. [2020-10-13 08:08:22,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:08:22,777 INFO L276 IsEmpty]: Start isEmpty. Operand 9258 states and 11550 transitions. [2020-10-13 08:08:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-13 08:08:22,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:22,788 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-10-13 08:08:22,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:08:22,788 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:22,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:22,789 INFO L82 PathProgramCache]: Analyzing trace with hash -728020235, now seen corresponding path program 1 times [2020-10-13 08:08:22,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:22,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880570484] [2020-10-13 08:08:22,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:22,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:22,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:23,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:24,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:24,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-13 08:08:24,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:08:24,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1757 [2020-10-13 08:08:24,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:24,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-13 08:08:24,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:08:24,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:24,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:24,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:24,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:24,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:24,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:08:24,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:24,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:24,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:24,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:24,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:24,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:24,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:24,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:24,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:08:24,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:24,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:08:24,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:24,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:24,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:24,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:24,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:24,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:08:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:24,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:24,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:24,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:08:24,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:24,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 08:08:24,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:24,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:24,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:24,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:08:24,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:24,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-13 08:08:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:24,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:24,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:25,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:25,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:25,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:25,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-13 08:08:25,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:08:25,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-13 08:08:25,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880570484] [2020-10-13 08:08:25,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:25,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:08:25,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602294286] [2020-10-13 08:08:25,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:08:25,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:25,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:08:25,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:25,569 INFO L87 Difference]: Start difference. First operand 9258 states and 11550 transitions. Second operand 6 states. [2020-10-13 08:08:27,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:27,777 INFO L93 Difference]: Finished difference Result 18387 states and 23014 transitions. [2020-10-13 08:08:27,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:08:27,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 309 [2020-10-13 08:08:27,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:27,805 INFO L225 Difference]: With dead ends: 18387 [2020-10-13 08:08:27,805 INFO L226 Difference]: Without dead ends: 9301 [2020-10-13 08:08:27,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-13 08:08:27,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9301 states. [2020-10-13 08:08:27,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9301 to 9258. [2020-10-13 08:08:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9258 states. [2020-10-13 08:08:28,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9258 states to 9258 states and 11544 transitions. [2020-10-13 08:08:28,006 INFO L78 Accepts]: Start accepts. Automaton has 9258 states and 11544 transitions. Word has length 309 [2020-10-13 08:08:28,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:28,007 INFO L479 AbstractCegarLoop]: Abstraction has 9258 states and 11544 transitions. [2020-10-13 08:08:28,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:08:28,007 INFO L276 IsEmpty]: Start isEmpty. Operand 9258 states and 11544 transitions. [2020-10-13 08:08:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-10-13 08:08:28,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:28,027 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:28,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:08:28,028 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:28,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:28,028 INFO L82 PathProgramCache]: Analyzing trace with hash -2032230669, now seen corresponding path program 1 times [2020-10-13 08:08:28,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:28,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599720149] [2020-10-13 08:08:28,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:28,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:28,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:28,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-13 08:08:28,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:28,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-13 08:08:28,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:28,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:28,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 317 [2020-10-13 08:08:28,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:08:28,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:08:28,819 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-10-13 08:08:28,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:28,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:28,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:28,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:28,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:28,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:08:28,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:28,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:28,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:28,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:28,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:28,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:28,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:08:28,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:28,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 08:08:28,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:28,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:28,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:08:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:29,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:29,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:29,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 08:08:29,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-13 08:08:29,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-13 08:08:29,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-13 08:08:29,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599720149] [2020-10-13 08:08:29,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:29,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:29,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17473566] [2020-10-13 08:08:29,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:29,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:29,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:29,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:29,245 INFO L87 Difference]: Start difference. First operand 9258 states and 11544 transitions. Second operand 5 states. [2020-10-13 08:08:31,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:31,741 INFO L93 Difference]: Finished difference Result 22146 states and 28237 transitions. [2020-10-13 08:08:31,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:31,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 321 [2020-10-13 08:08:31,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:31,776 INFO L225 Difference]: With dead ends: 22146 [2020-10-13 08:08:31,776 INFO L226 Difference]: Without dead ends: 13082 [2020-10-13 08:08:31,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:31,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13082 states. [2020-10-13 08:08:31,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13082 to 12869. [2020-10-13 08:08:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12869 states. [2020-10-13 08:08:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12869 states to 12869 states and 16064 transitions. [2020-10-13 08:08:32,024 INFO L78 Accepts]: Start accepts. Automaton has 12869 states and 16064 transitions. Word has length 321 [2020-10-13 08:08:32,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:32,025 INFO L479 AbstractCegarLoop]: Abstraction has 12869 states and 16064 transitions. [2020-10-13 08:08:32,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12869 states and 16064 transitions. [2020-10-13 08:08:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-13 08:08:32,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:32,037 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:32,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:08:32,037 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:32,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:32,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1161351149, now seen corresponding path program 1 times [2020-10-13 08:08:32,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:32,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157744140] [2020-10-13 08:08:32,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:32,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:32,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:33,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:33,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-13 08:08:33,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:33,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1246 [2020-10-13 08:08:33,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:33,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:33,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-13 08:08:33,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 08:08:33,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:33,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:33,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:33,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:33,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:33,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:33,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:08:33,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:33,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:33,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:33,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:33,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:33,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:08:33,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:33,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 08:08:33,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:33,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:33,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:33,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:33,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:33,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 08:08:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:33,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:33,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:33,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-13 08:08:33,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:33,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 08:08:33,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:33,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:08:33,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:33,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-13 08:08:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:33,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:33,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:33,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:33,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:33,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:33,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-13 08:08:33,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:08:33,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-13 08:08:33,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157744140] [2020-10-13 08:08:33,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:33,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:08:33,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973895017] [2020-10-13 08:08:33,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:08:33,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:33,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:08:33,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:08:33,967 INFO L87 Difference]: Start difference. First operand 12869 states and 16064 transitions. Second operand 7 states. [2020-10-13 08:08:37,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:37,190 INFO L93 Difference]: Finished difference Result 28411 states and 35260 transitions. [2020-10-13 08:08:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:08:37,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 336 [2020-10-13 08:08:37,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:37,232 INFO L225 Difference]: With dead ends: 28411 [2020-10-13 08:08:37,232 INFO L226 Difference]: Without dead ends: 15716 [2020-10-13 08:08:37,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:08:37,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15716 states. [2020-10-13 08:08:37,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15716 to 12873. [2020-10-13 08:08:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12873 states. [2020-10-13 08:08:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12873 states to 12873 states and 16056 transitions. [2020-10-13 08:08:37,505 INFO L78 Accepts]: Start accepts. Automaton has 12873 states and 16056 transitions. Word has length 336 [2020-10-13 08:08:37,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:37,505 INFO L479 AbstractCegarLoop]: Abstraction has 12873 states and 16056 transitions. [2020-10-13 08:08:37,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:08:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 12873 states and 16056 transitions. [2020-10-13 08:08:37,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-10-13 08:08:37,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:37,517 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:37,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 08:08:37,518 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:37,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:37,518 INFO L82 PathProgramCache]: Analyzing trace with hash 579923873, now seen corresponding path program 1 times [2020-10-13 08:08:37,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:37,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335522746] [2020-10-13 08:08:37,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:37,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:37,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:38,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:38,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:39,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:39,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-13 08:08:39,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:08:39,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1584 [2020-10-13 08:08:39,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-10-13 08:08:39,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:08:39,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:39,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:39,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:39,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:39,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:39,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:39,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:39,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:39,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:39,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:39,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:08:39,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:39,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:08:39,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:39,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:08:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:39,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:39,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:39,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 08:08:39,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:39,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 08:08:39,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-13 08:08:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:39,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-13 08:08:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:39,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:39,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:39,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:39,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:39,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 08:08:39,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:08:39,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-13 08:08:39,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335522746] [2020-10-13 08:08:39,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:39,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:08:39,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534022071] [2020-10-13 08:08:39,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:08:39,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:39,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:08:39,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:08:39,765 INFO L87 Difference]: Start difference. First operand 12873 states and 16056 transitions. Second operand 7 states. [2020-10-13 08:08:42,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:42,823 INFO L93 Difference]: Finished difference Result 26175 states and 32818 transitions. [2020-10-13 08:08:42,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:08:42,824 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 347 [2020-10-13 08:08:42,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:42,858 INFO L225 Difference]: With dead ends: 26175 [2020-10-13 08:08:42,858 INFO L226 Difference]: Without dead ends: 13496 [2020-10-13 08:08:42,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:08:42,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13496 states. [2020-10-13 08:08:43,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13496 to 13463. [2020-10-13 08:08:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13463 states. [2020-10-13 08:08:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13463 states to 13463 states and 16829 transitions. [2020-10-13 08:08:43,302 INFO L78 Accepts]: Start accepts. Automaton has 13463 states and 16829 transitions. Word has length 347 [2020-10-13 08:08:43,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:43,303 INFO L479 AbstractCegarLoop]: Abstraction has 13463 states and 16829 transitions. [2020-10-13 08:08:43,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:08:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 13463 states and 16829 transitions. [2020-10-13 08:08:43,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-10-13 08:08:43,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:43,312 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:43,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 08:08:43,313 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:43,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:43,313 INFO L82 PathProgramCache]: Analyzing trace with hash -639732275, now seen corresponding path program 1 times [2020-10-13 08:08:43,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:43,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [818126691] [2020-10-13 08:08:43,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:43,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:43,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:44,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-13 08:08:44,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:44,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1195 [2020-10-13 08:08:44,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:44,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:44,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-13 08:08:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:08:44,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:44,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:44,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:44,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:44,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:44,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:08:44,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:44,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:44,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:44,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:44,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:44,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:44,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:08:44,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:44,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:08:44,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:44,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:44,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:44,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:44,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:08:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:44,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:44,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 08:08:44,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:44,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 08:08:44,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:44,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:44,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:44,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-13 08:08:44,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:44,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-13 08:08:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:44,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:44,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:44,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:44,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:08:44,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:08:44,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 08:08:45,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [818126691] [2020-10-13 08:08:45,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:45,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:08:45,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572098247] [2020-10-13 08:08:45,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:08:45,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:45,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:08:45,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:08:45,080 INFO L87 Difference]: Start difference. First operand 13463 states and 16829 transitions. Second operand 8 states. [2020-10-13 08:08:48,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:48,360 INFO L93 Difference]: Finished difference Result 28296 states and 35382 transitions. [2020-10-13 08:08:48,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:08:48,361 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 348 [2020-10-13 08:08:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:48,396 INFO L225 Difference]: With dead ends: 28296 [2020-10-13 08:08:48,396 INFO L226 Difference]: Without dead ends: 15027 [2020-10-13 08:08:48,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:08:48,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15027 states. [2020-10-13 08:08:48,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15027 to 14613. [2020-10-13 08:08:48,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14613 states. [2020-10-13 08:08:48,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14613 states to 14613 states and 18062 transitions. [2020-10-13 08:08:48,674 INFO L78 Accepts]: Start accepts. Automaton has 14613 states and 18062 transitions. Word has length 348 [2020-10-13 08:08:48,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:48,674 INFO L479 AbstractCegarLoop]: Abstraction has 14613 states and 18062 transitions. [2020-10-13 08:08:48,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:08:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 14613 states and 18062 transitions. [2020-10-13 08:08:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-10-13 08:08:48,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:48,686 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:48,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 08:08:48,686 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:48,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:48,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1091239957, now seen corresponding path program 1 times [2020-10-13 08:08:48,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:48,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759636256] [2020-10-13 08:08:48,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:48,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:48,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:50,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:52,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:52,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 367 [2020-10-13 08:08:52,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:08:52,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3467 [2020-10-13 08:08:52,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:52,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:08:52,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 254 [2020-10-13 08:08:52,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-13 08:08:52,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:52,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:52,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:52,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:52,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:52,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:52,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:52,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:52,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:52,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:52,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:08:52,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:52,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:08:52,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:52,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:52,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:08:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:52,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:52,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:52,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-13 08:08:52,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:52,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 08:08:52,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 08:08:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 08:08:52,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:52,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-13 08:08:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:52,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:52,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:52,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:52,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:52,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-13 08:08:52,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:08:52,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-13 08:08:52,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759636256] [2020-10-13 08:08:52,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:52,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 08:08:52,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912374567] [2020-10-13 08:08:52,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 08:08:52,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:52,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 08:08:52,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 08:08:52,975 INFO L87 Difference]: Start difference. First operand 14613 states and 18062 transitions. Second operand 9 states. [2020-10-13 08:08:57,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:57,277 INFO L93 Difference]: Finished difference Result 33029 states and 41676 transitions. [2020-10-13 08:08:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 08:08:57,278 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 353 [2020-10-13 08:08:57,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:57,317 INFO L225 Difference]: With dead ends: 33029 [2020-10-13 08:08:57,317 INFO L226 Difference]: Without dead ends: 18610 [2020-10-13 08:08:57,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-10-13 08:08:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18610 states. [2020-10-13 08:08:57,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18610 to 17446. [2020-10-13 08:08:57,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17446 states. [2020-10-13 08:08:57,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17446 states to 17446 states and 21770 transitions. [2020-10-13 08:08:57,593 INFO L78 Accepts]: Start accepts. Automaton has 17446 states and 21770 transitions. Word has length 353 [2020-10-13 08:08:57,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:57,593 INFO L479 AbstractCegarLoop]: Abstraction has 17446 states and 21770 transitions. [2020-10-13 08:08:57,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 08:08:57,593 INFO L276 IsEmpty]: Start isEmpty. Operand 17446 states and 21770 transitions. [2020-10-13 08:08:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-10-13 08:08:57,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:57,603 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:57,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 08:08:57,604 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:57,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:57,604 INFO L82 PathProgramCache]: Analyzing trace with hash -983593714, now seen corresponding path program 1 times [2020-10-13 08:08:57,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:57,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385032073] [2020-10-13 08:08:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:57,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:57,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:58,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:58,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-10-13 08:08:58,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:58,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 870 [2020-10-13 08:08:58,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:58,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:58,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-10-13 08:08:58,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:08:58,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:58,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:58,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:58,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:58,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:58,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:58,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:58,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:58,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:58,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:58,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:58,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:58,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:58,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:08:58,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:58,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 08:08:58,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:58,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:58,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:58,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:58,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:58,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 08:08:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:58,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:58,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:58,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 08:08:58,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:58,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:08:58,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 08:08:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:58,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-13 08:08:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:58,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:58,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:59,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:59,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:59,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:08:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-13 08:08:59,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:08:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:08:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-13 08:08:59,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385032073] [2020-10-13 08:08:59,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:59,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:08:59,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331989478] [2020-10-13 08:08:59,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:08:59,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:59,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:08:59,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:08:59,182 INFO L87 Difference]: Start difference. First operand 17446 states and 21770 transitions. Second operand 7 states. [2020-10-13 08:09:02,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:09:02,308 INFO L93 Difference]: Finished difference Result 37556 states and 46568 transitions. [2020-10-13 08:09:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:09:02,311 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 355 [2020-10-13 08:09:02,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:09:02,347 INFO L225 Difference]: With dead ends: 37556 [2020-10-13 08:09:02,347 INFO L226 Difference]: Without dead ends: 20290 [2020-10-13 08:09:02,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:09:02,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20290 states. [2020-10-13 08:09:02,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20290 to 17256. [2020-10-13 08:09:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17256 states. [2020-10-13 08:09:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17256 states to 17256 states and 21494 transitions. [2020-10-13 08:09:02,647 INFO L78 Accepts]: Start accepts. Automaton has 17256 states and 21494 transitions. Word has length 355 [2020-10-13 08:09:02,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:09:02,648 INFO L479 AbstractCegarLoop]: Abstraction has 17256 states and 21494 transitions. [2020-10-13 08:09:02,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:09:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 17256 states and 21494 transitions. [2020-10-13 08:09:02,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-13 08:09:02,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:09:02,660 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:09:02,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 08:09:02,660 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:09:02,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:09:02,661 INFO L82 PathProgramCache]: Analyzing trace with hash 514806974, now seen corresponding path program 1 times [2020-10-13 08:09:02,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:09:02,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895806172] [2020-10-13 08:09:02,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:09:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:02,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:03,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:03,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:04,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:04,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-10-13 08:09:04,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:09:04,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1643 [2020-10-13 08:09:04,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:09:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 08:09:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:09:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:04,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:09:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:04,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:04,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:04,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:09:04,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:04,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:09:04,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:04,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:04,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:09:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:04,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:04,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:04,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:09:04,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:04,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:09:04,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:04,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:04,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:04,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:04,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:04,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 08:09:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:04,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:04,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:04,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 08:09:04,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:04,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 08:09:04,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:09:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-13 08:09:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:04,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-13 08:09:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:04,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:04,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:04,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:04,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:09:04,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:09:04,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-13 08:09:04,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:04,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:09:04,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:09:04,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:09:04,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:05,329 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-13 08:09:05,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895806172] [2020-10-13 08:09:05,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:09:05,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:09:05,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883780764] [2020-10-13 08:09:05,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:09:05,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:09:05,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:09:05,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:09:05,332 INFO L87 Difference]: Start difference. First operand 17256 states and 21494 transitions. Second operand 6 states. [2020-10-13 08:09:07,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:09:07,540 INFO L93 Difference]: Finished difference Result 34365 states and 42911 transitions. [2020-10-13 08:09:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:09:07,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 368 [2020-10-13 08:09:07,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:09:07,573 INFO L225 Difference]: With dead ends: 34365 [2020-10-13 08:09:07,573 INFO L226 Difference]: Without dead ends: 17290 [2020-10-13 08:09:07,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-13 08:09:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17290 states. [2020-10-13 08:09:07,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17290 to 17254. [2020-10-13 08:09:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17254 states. [2020-10-13 08:09:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17254 states to 17254 states and 21405 transitions. [2020-10-13 08:09:07,842 INFO L78 Accepts]: Start accepts. Automaton has 17254 states and 21405 transitions. Word has length 368 [2020-10-13 08:09:07,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:09:07,842 INFO L479 AbstractCegarLoop]: Abstraction has 17254 states and 21405 transitions. [2020-10-13 08:09:07,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:09:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 17254 states and 21405 transitions. [2020-10-13 08:09:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-13 08:09:07,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:09:07,852 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:09:07,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 08:09:07,852 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:09:07,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:09:07,853 INFO L82 PathProgramCache]: Analyzing trace with hash -827460961, now seen corresponding path program 1 times [2020-10-13 08:09:07,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:09:07,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741336832] [2020-10-13 08:09:07,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:09:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:07,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:08,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:08,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:08,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:08,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:09,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:11,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:12,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:12,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 394 [2020-10-13 08:09:12,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 08:09:12,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 08:09:12,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:09:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-10-13 08:09:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:09:12,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:13,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:09:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:13,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:13,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:13,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:09:13,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:13,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:09:13,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:13,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:13,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:13,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:13,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:13,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:09:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:13,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:13,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:13,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:09:13,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:13,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 08:09:13,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:13,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:13,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:13,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:13,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:13,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 08:09:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:13,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:13,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:13,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:09:13,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 08:09:13,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:09:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:09:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:13,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 08:09:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:13,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:13,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:13,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:13,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:09:13,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:09:13,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-13 08:09:13,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:09:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:09:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:09:13,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:13,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-13 08:09:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:13,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:13,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:13,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:09:13,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:13,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:09:13,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 08:09:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:13,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:09:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 185 proven. 72 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-10-13 08:09:13,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741336832] [2020-10-13 08:09:13,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:09:13,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:09:13,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604244896] [2020-10-13 08:09:13,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:09:13,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:09:13,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:09:13,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:09:13,659 INFO L87 Difference]: Start difference. First operand 17254 states and 21405 transitions. Second operand 7 states. [2020-10-13 08:09:16,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:09:16,453 INFO L93 Difference]: Finished difference Result 34363 states and 42672 transitions. [2020-10-13 08:09:16,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:09:16,454 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 378 [2020-10-13 08:09:16,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:09:16,483 INFO L225 Difference]: With dead ends: 34363 [2020-10-13 08:09:16,483 INFO L226 Difference]: Without dead ends: 17284 [2020-10-13 08:09:16,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:09:16,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17284 states. [2020-10-13 08:09:16,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17284 to 17250. [2020-10-13 08:09:16,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17250 states. [2020-10-13 08:09:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17250 states to 17250 states and 21293 transitions. [2020-10-13 08:09:16,776 INFO L78 Accepts]: Start accepts. Automaton has 17250 states and 21293 transitions. Word has length 378 [2020-10-13 08:09:16,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:09:16,776 INFO L479 AbstractCegarLoop]: Abstraction has 17250 states and 21293 transitions. [2020-10-13 08:09:16,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:09:16,776 INFO L276 IsEmpty]: Start isEmpty. Operand 17250 states and 21293 transitions. [2020-10-13 08:09:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-13 08:09:16,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:09:16,793 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:09:16,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-13 08:09:16,793 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:09:16,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:09:16,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1503598565, now seen corresponding path program 1 times [2020-10-13 08:09:16,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:09:16,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558206887] [2020-10-13 08:09:16,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:09:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:16,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:17,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:18,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:18,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:18,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-13 08:09:18,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:09:18,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2081 [2020-10-13 08:09:18,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:09:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-13 08:09:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:09:18,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:19,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:09:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:19,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:19,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:19,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:09:19,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:19,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:09:19,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:19,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:19,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:19,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:19,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:19,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:09:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:19,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:19,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:19,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:09:19,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:09:19,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:19,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:19,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 08:09:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:19,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:19,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:19,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 08:09:19,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 08:09:19,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:09:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:09:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:19,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-13 08:09:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:19,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:19,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:19,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:09:19,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-13 08:09:19,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:09:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:09:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:09:19,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-10-13 08:09:19,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558206887] [2020-10-13 08:09:19,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:09:19,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:09:19,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275126721] [2020-10-13 08:09:19,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:09:19,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:09:19,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:09:19,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:09:19,713 INFO L87 Difference]: Start difference. First operand 17250 states and 21293 transitions. Second operand 7 states. [2020-10-13 08:09:23,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:09:23,875 INFO L93 Difference]: Finished difference Result 36501 states and 47937 transitions. [2020-10-13 08:09:23,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 08:09:23,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 378 [2020-10-13 08:09:23,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:09:23,936 INFO L225 Difference]: With dead ends: 36501 [2020-10-13 08:09:23,936 INFO L226 Difference]: Without dead ends: 19445 [2020-10-13 08:09:23,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-13 08:09:23,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19445 states. [2020-10-13 08:09:24,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19445 to 18587. [2020-10-13 08:09:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18587 states. [2020-10-13 08:09:24,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18587 states to 18587 states and 22755 transitions. [2020-10-13 08:09:24,344 INFO L78 Accepts]: Start accepts. Automaton has 18587 states and 22755 transitions. Word has length 378 [2020-10-13 08:09:24,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:09:24,344 INFO L479 AbstractCegarLoop]: Abstraction has 18587 states and 22755 transitions. [2020-10-13 08:09:24,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:09:24,344 INFO L276 IsEmpty]: Start isEmpty. Operand 18587 states and 22755 transitions. [2020-10-13 08:09:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2020-10-13 08:09:24,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:09:24,356 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:09:24,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-13 08:09:24,358 INFO L427 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:09:24,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:09:24,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2105466033, now seen corresponding path program 1 times [2020-10-13 08:09:24,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:09:24,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945200634] [2020-10-13 08:09:24,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:09:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:24,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:24,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:24,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:24,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:25,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:25,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:25,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 413 [2020-10-13 08:09:25,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:09:25,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 691 [2020-10-13 08:09:25,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:25,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:09:25,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 300 [2020-10-13 08:09:25,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:09:25,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:25,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:09:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:25,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:25,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:25,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:09:25,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:25,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:09:25,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:25,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:25,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:25,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:25,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:25,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:09:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:25,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:25,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:25,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:09:25,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:25,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:09:25,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:25,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:25,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:09:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:25,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:25,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:25,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 08:09:25,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:25,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 08:09:25,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:09:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-13 08:09:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:09:25,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:25,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-10-13 08:09:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:25,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:25,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:25,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:09:25,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:25,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 08:09:25,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 08:09:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:25,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:25,549 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2020-10-13 08:09:25,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945200634] [2020-10-13 08:09:25,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:09:25,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:09:25,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800390850] [2020-10-13 08:09:25,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:09:25,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:09:25,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:09:25,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:09:25,551 INFO L87 Difference]: Start difference. First operand 18587 states and 22755 transitions. Second operand 5 states. [2020-10-13 08:09:27,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:09:27,264 INFO L93 Difference]: Finished difference Result 36606 states and 44855 transitions. [2020-10-13 08:09:27,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:09:27,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 399 [2020-10-13 08:09:27,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:09:27,308 INFO L225 Difference]: With dead ends: 36606 [2020-10-13 08:09:27,308 INFO L226 Difference]: Without dead ends: 18213 [2020-10-13 08:09:27,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:09:27,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18213 states. [2020-10-13 08:09:27,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18213 to 18178. [2020-10-13 08:09:27,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18178 states. [2020-10-13 08:09:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18178 states to 18178 states and 22161 transitions. [2020-10-13 08:09:27,622 INFO L78 Accepts]: Start accepts. Automaton has 18178 states and 22161 transitions. Word has length 399 [2020-10-13 08:09:27,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:09:27,623 INFO L479 AbstractCegarLoop]: Abstraction has 18178 states and 22161 transitions. [2020-10-13 08:09:27,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:09:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 18178 states and 22161 transitions. [2020-10-13 08:09:27,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-10-13 08:09:27,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:09:27,639 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:09:27,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-13 08:09:27,639 INFO L427 AbstractCegarLoop]: === Iteration 27 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:09:27,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:09:27,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1465346152, now seen corresponding path program 1 times [2020-10-13 08:09:27,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:09:27,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973046429] [2020-10-13 08:09:27,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:09:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:27,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:28,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:29,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:29,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-13 08:09:29,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:09:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1462 [2020-10-13 08:09:29,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:09:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 303 [2020-10-13 08:09:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:09:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:29,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:09:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:29,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:29,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:29,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:09:29,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:29,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:09:29,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:29,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:29,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:09:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:29,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:29,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:29,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:09:29,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:29,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:09:29,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:29,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:29,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 08:09:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:29,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:29,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:29,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:09:29,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:29,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 08:09:29,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:09:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-13 08:09:29,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:29,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-10-13 08:09:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:29,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:29,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:29,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:09:29,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:29,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-13 08:09:29,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:09:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:09:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:09:29,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:09:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-10-13 08:09:30,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973046429] [2020-10-13 08:09:30,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:09:30,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:09:30,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607414278] [2020-10-13 08:09:30,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:09:30,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:09:30,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:09:30,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:09:30,063 INFO L87 Difference]: Start difference. First operand 18178 states and 22161 transitions. Second operand 7 states. [2020-10-13 08:09:33,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:09:33,083 INFO L93 Difference]: Finished difference Result 36958 states and 45066 transitions. [2020-10-13 08:09:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:09:33,084 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 400 [2020-10-13 08:09:33,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:09:33,116 INFO L225 Difference]: With dead ends: 36958 [2020-10-13 08:09:33,116 INFO L226 Difference]: Without dead ends: 18783 [2020-10-13 08:09:33,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:09:33,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18783 states. [2020-10-13 08:09:33,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18783 to 17226. [2020-10-13 08:09:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17226 states. [2020-10-13 08:09:33,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17226 states to 17226 states and 20955 transitions. [2020-10-13 08:09:33,509 INFO L78 Accepts]: Start accepts. Automaton has 17226 states and 20955 transitions. Word has length 400 [2020-10-13 08:09:33,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:09:33,510 INFO L479 AbstractCegarLoop]: Abstraction has 17226 states and 20955 transitions. [2020-10-13 08:09:33,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:09:33,510 INFO L276 IsEmpty]: Start isEmpty. Operand 17226 states and 20955 transitions. [2020-10-13 08:09:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2020-10-13 08:09:33,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:09:33,519 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:09:33,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-13 08:09:33,519 INFO L427 AbstractCegarLoop]: === Iteration 28 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:09:33,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:09:33,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1774487922, now seen corresponding path program 1 times [2020-10-13 08:09:33,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:09:33,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340990146] [2020-10-13 08:09:33,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:09:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:33,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:33,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:34,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:34,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:34,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:35,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:36,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:36,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 433 [2020-10-13 08:09:36,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:09:36,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3055 [2020-10-13 08:09:36,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:09:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 320 [2020-10-13 08:09:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 08:09:36,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:36,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:09:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:36,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:36,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:36,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:09:36,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:36,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:09:36,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:36,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:36,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:36,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:36,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:36,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:09:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:36,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:36,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:36,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:09:36,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:36,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:09:36,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:09:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:09:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:36,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:09:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:36,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:37,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:37,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:09:37,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:09:37,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-13 08:09:37,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 08:09:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:09:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 08:09:37,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:37,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-13 08:09:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:09:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:37,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:09:37,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:09:37,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:09:37,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:09:37,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-13 08:09:37,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:09:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:09:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:09:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:09:37,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:09:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-13 08:09:37,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340990146] [2020-10-13 08:09:37,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:09:37,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 08:09:37,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423749273] [2020-10-13 08:09:37,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 08:09:37,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:09:37,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 08:09:37,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 08:09:37,734 INFO L87 Difference]: Start difference. First operand 17226 states and 20955 transitions. Second operand 9 states. [2020-10-13 08:09:42,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:09:42,805 INFO L93 Difference]: Finished difference Result 35489 states and 43193 transitions. [2020-10-13 08:09:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 08:09:42,806 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 419 [2020-10-13 08:09:42,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:09:42,839 INFO L225 Difference]: With dead ends: 35489 [2020-10-13 08:09:42,839 INFO L226 Difference]: Without dead ends: 18398 [2020-10-13 08:09:42,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-13 08:09:42,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18398 states. [2020-10-13 08:09:43,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18398 to 18170. [2020-10-13 08:09:43,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18170 states. [2020-10-13 08:09:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18170 states to 18170 states and 21840 transitions. [2020-10-13 08:09:43,164 INFO L78 Accepts]: Start accepts. Automaton has 18170 states and 21840 transitions. Word has length 419 [2020-10-13 08:09:43,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:09:43,164 INFO L479 AbstractCegarLoop]: Abstraction has 18170 states and 21840 transitions. [2020-10-13 08:09:43,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 08:09:43,165 INFO L276 IsEmpty]: Start isEmpty. Operand 18170 states and 21840 transitions. [2020-10-13 08:09:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2020-10-13 08:09:43,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:09:43,181 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:09:43,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-13 08:09:43,181 INFO L427 AbstractCegarLoop]: === Iteration 29 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:09:43,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:09:43,182 INFO L82 PathProgramCache]: Analyzing trace with hash 321386367, now seen corresponding path program 1 times [2020-10-13 08:09:43,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:09:43,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269432401] [2020-10-13 08:09:43,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:09:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 08:09:43,290 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 08:09:43,290 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 08:09:43,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-13 08:09:43,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:09:43 BoogieIcfgContainer [2020-10-13 08:09:43,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:09:43,392 INFO L168 Benchmark]: Toolchain (without parser) took 152347.94 ms. Allocated memory was 147.3 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 100.7 MB in the beginning and 235.5 MB in the end (delta: -134.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-13 08:09:43,393 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:09:43,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1238.55 ms. Allocated memory was 147.3 MB in the beginning and 210.8 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 165.1 MB in the end (delta: -64.6 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:09:43,396 INFO L168 Benchmark]: Boogie Preprocessor took 194.70 ms. Allocated memory is still 210.8 MB. Free memory was 165.1 MB in the beginning and 157.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:09:43,402 INFO L168 Benchmark]: RCFGBuilder took 1756.01 ms. Allocated memory was 210.8 MB in the beginning and 241.7 MB in the end (delta: 30.9 MB). Free memory was 157.1 MB in the beginning and 101.1 MB in the end (delta: 56.0 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:09:43,402 INFO L168 Benchmark]: TraceAbstraction took 149152.35 ms. Allocated memory was 241.7 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 99.6 MB in the beginning and 235.5 MB in the end (delta: -135.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-10-13 08:09:43,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1238.55 ms. Allocated memory was 147.3 MB in the beginning and 210.8 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 165.1 MB in the end (delta: -64.6 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 194.70 ms. Allocated memory is still 210.8 MB. Free memory was 165.1 MB in the beginning and 157.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1756.01 ms. Allocated memory was 210.8 MB in the beginning and 241.7 MB in the end (delta: 30.9 MB). Free memory was 157.1 MB in the beginning and 101.1 MB in the end (delta: 56.0 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 149152.35 ms. Allocated memory was 241.7 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 99.6 MB in the beginning and 235.5 MB in the end (delta: -135.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 33]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputA = 1; [L8] int inputD = 4; [L9] int inputB = 2; [L10] int inputE = 5; [L11] int inputF = 6; [L12] int inputC = 3; [L15] int a29 = 130; [L16] int a4 = 1; [L17] int a23 = 312; [L18] int a8 = 15; [L19] int a25 = 10; [L20] int a3 = 1; [L1031] int output = -1; [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND TRUE ((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15))) [L527] a29 = (((((a29 % 52)- -193) * 5) % 52)- -169) [L528] a25 = 12 [L530] return 26; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND TRUE ((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)) [L622] a29 = ((((a29 / -5) - 119439) + 125177) * -5) [L623] a23 = (((a23 + 0) - 600293) - 11) [L624] a4 = 0 [L625] a25 = 10 [L627] return 21; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L628] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L635] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L642] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L647] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L658] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L663] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L670] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L675] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L681] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L688] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L694] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L706] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L712] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L717] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L731] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L738] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L743] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L750] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L757] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L769] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L774] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L780] COND FALSE !(((a3==1) && (( a23 <= -43 && (((input == 6) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && !(a4==1))) && (a8==15)))) [L787] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L792] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L799] COND FALSE !(((a3==1) && (((a8==15) && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 5)) && 306 < a23 )) && (a4==1)))) [L804] COND FALSE !((((((a8==15) && ((input == 4) && (( 277 < a29 && (a25==9)) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ( ((245 < a29) && (277 >= a29)) && (a25==13)))))) && !(a4==1)) && a23 <= -43 ) && (a3==1))) [L816] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (!(a4==1) && ((input == 5) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) )))))) && (a8==15)) && (a3==1))) [L822] COND FALSE !(( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15)))) [L825] COND TRUE ((a8==15) && ((((a3==1) && ((((a25==10) || (a25==11)) && (input == 6)) && a29 <= 140 )) && a23 <= -43 ) && !(a4==1))) [L826] a23 = (((((a23 / 5) + -54477) / 5) % 90)- -119) [L827] a4 = 1 [L828] a25 = 10 [L830] return -1; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND TRUE ((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L33] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 148.9s, OverallIterations: 29, TraceHistogramMax: 5, AutomataDifference: 80.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1374 SDtfs, 15513 SDslu, 2179 SDs, 0 SdLazy, 38922 SolverSat, 4823 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 500 GetRequests, 274 SyntacticMatches, 5 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18587occurred in iteration=25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.4s AutomataMinimizationTime, 28 MinimizatonAttempts, 11776 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 57.0s InterpolantComputationTime, 7899 NumberOfCodeBlocks, 7899 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 7449 ConstructedInterpolants, 0 QuantifiedInterpolants, 10499064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 2 PerfectInterpolantSequences, 5266/5472 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 incorrect! Received shutdown request...