/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:33:31,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:33:31,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:33:31,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:33:31,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:33:31,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:33:32,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:33:32,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:33:32,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:33:32,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:33:32,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:33:32,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:33:32,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:33:32,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:33:32,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:33:32,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:33:32,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:33:32,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:33:32,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:33:32,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:33:32,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:33:32,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:33:32,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:33:32,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:33:32,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:33:32,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:33:32,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:33:32,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:33:32,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:33:32,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:33:32,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:33:32,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:33:32,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:33:32,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:33:32,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:33:32,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:33:32,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:33:32,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:33:32,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:33:32,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:33:32,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:33:32,032 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 [2020-10-14 02:33:32,055 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:33:32,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:33:32,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:33:32,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:33:32,057 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:33:32,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:33:32,057 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:33:32,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:33:32,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:33:32,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:33:32,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:33:32,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:33:32,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:33:32,059 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:33:32,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:33:32,059 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:33:32,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:33:32,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:33:32,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:33:32,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:33:32,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:33:32,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:33:32,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:33:32,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:33:32,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:33:32,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:33:32,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:33:32,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:33:32,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:33:32,062 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:33:32,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:33:32,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:33:32,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:33:32,386 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:33:32,386 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:33:32,387 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label15.c [2020-10-14 02:33:32,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13c3c9b86/c6fc1cd6973947d0a6413d7eee442202/FLAG6c6c52135 [2020-10-14 02:33:33,052 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:33:33,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label15.c [2020-10-14 02:33:33,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13c3c9b86/c6fc1cd6973947d0a6413d7eee442202/FLAG6c6c52135 [2020-10-14 02:33:33,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13c3c9b86/c6fc1cd6973947d0a6413d7eee442202 [2020-10-14 02:33:33,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:33:33,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:33:33,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:33:33,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:33:33,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:33:33,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:33:33" (1/1) ... [2020-10-14 02:33:33,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@233e1b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:33, skipping insertion in model container [2020-10-14 02:33:33,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:33:33" (1/1) ... [2020-10-14 02:33:33,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:33:33,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:33:34,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:33:34,430 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:33:34,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:33:34,599 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:33:34,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:34 WrapperNode [2020-10-14 02:33:34,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:33:34,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:33:34,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:33:34,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:33:34,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:34" (1/1) ... [2020-10-14 02:33:34,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:34" (1/1) ... [2020-10-14 02:33:34,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:34" (1/1) ... [2020-10-14 02:33:34,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:34" (1/1) ... [2020-10-14 02:33:34,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:34" (1/1) ... [2020-10-14 02:33:34,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:34" (1/1) ... [2020-10-14 02:33:34,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:34" (1/1) ... [2020-10-14 02:33:34,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:33:34,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:33:34,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:33:34,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:33:34,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:34" (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 [2020-10-14 02:33:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:33:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:33:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:33:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:33:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:33:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:33:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:33:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:33:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:33:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:33:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:33:36,877 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:33:36,878 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:33:36,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:33:36 BoogieIcfgContainer [2020-10-14 02:33:36,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:33:36,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:33:36,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:33:36,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:33:36,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:33:33" (1/3) ... [2020-10-14 02:33:36,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f7011c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:33:36, skipping insertion in model container [2020-10-14 02:33:36,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:34" (2/3) ... [2020-10-14 02:33:36,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f7011c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:33:36, skipping insertion in model container [2020-10-14 02:33:36,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:33:36" (3/3) ... [2020-10-14 02:33:36,894 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label15.c [2020-10-14 02:33:36,928 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:33:36,937 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:33:36,954 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:33:36,988 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:33:36,988 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:33:36,988 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:33:36,989 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:33:36,989 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:33:36,989 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:33:36,989 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:33:36,990 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:33:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 02:33:37,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-14 02:33:37,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:37,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:33:37,032 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:37,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:37,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1453317925, now seen corresponding path program 1 times [2020-10-14 02:33:37,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:37,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542946777] [2020-10-14 02:33:37,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:37,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:37,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:37,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 02:33:37,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:37,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-14 02:33:37,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:37,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:33:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:33:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 02:33:37,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-14 02:33:37,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:37,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:37,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:37,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:37,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:37,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 02:33:37,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:37,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:37,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:37,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:37,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:33:37,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:33:37,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542946777] [2020-10-14 02:33:37,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:33:37,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:33:37,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932380225] [2020-10-14 02:33:37,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:33:37,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:37,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:33:37,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:33:37,699 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 02:33:39,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:39,953 INFO L93 Difference]: Finished difference Result 805 states and 1402 transitions. [2020-10-14 02:33:39,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:39,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-14 02:33:39,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:39,976 INFO L225 Difference]: With dead ends: 805 [2020-10-14 02:33:39,976 INFO L226 Difference]: Without dead ends: 433 [2020-10-14 02:33:39,987 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 [2020-10-14 02:33:40,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-10-14 02:33:40,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 424. [2020-10-14 02:33:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-14 02:33:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 611 transitions. [2020-10-14 02:33:40,077 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 611 transitions. Word has length 20 [2020-10-14 02:33:40,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:40,078 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 611 transitions. [2020-10-14 02:33:40,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:33:40,078 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 611 transitions. [2020-10-14 02:33:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-14 02:33:40,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:40,083 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 02:33:40,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:33:40,084 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:40,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:40,084 INFO L82 PathProgramCache]: Analyzing trace with hash 61083482, now seen corresponding path program 1 times [2020-10-14 02:33:40,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:40,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431391504] [2020-10-14 02:33:40,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:40,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:40,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:41,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:41,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 02:33:41,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:41,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1086 [2020-10-14 02:33:41,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:41,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:41,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:41,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:33:41,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 02:33:41,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:41,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:41,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:41,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:41,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:41,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:41,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:33:41,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:41,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:41,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:41,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:41,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:41,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:41,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:41,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:41,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:41,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:33:41,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:41,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 02:33:41,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:41,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:41,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:33:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:33:41,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431391504] [2020-10-14 02:33:41,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:41,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:33:41,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737374256] [2020-10-14 02:33:41,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:33:41,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:41,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:33:41,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:33:41,540 INFO L87 Difference]: Start difference. First operand 424 states and 611 transitions. Second operand 5 states. [2020-10-14 02:33:43,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:43,810 INFO L93 Difference]: Finished difference Result 851 states and 1307 transitions. [2020-10-14 02:33:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:43,811 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-10-14 02:33:43,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:43,819 INFO L225 Difference]: With dead ends: 851 [2020-10-14 02:33:43,819 INFO L226 Difference]: Without dead ends: 626 [2020-10-14 02:33:43,823 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 [2020-10-14 02:33:43,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2020-10-14 02:33:43,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 617. [2020-10-14 02:33:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-14 02:33:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 910 transitions. [2020-10-14 02:33:43,873 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 910 transitions. Word has length 92 [2020-10-14 02:33:43,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:43,874 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 910 transitions. [2020-10-14 02:33:43,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:33:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 910 transitions. [2020-10-14 02:33:43,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 02:33:43,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:43,878 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 02:33:43,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:33:43,878 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:43,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:43,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1859354131, now seen corresponding path program 1 times [2020-10-14 02:33:43,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:43,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235822298] [2020-10-14 02:33:43,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:43,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:44,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:45,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:45,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:33:45,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:45,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1352 [2020-10-14 02:33:45,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:45,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:45,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:33:45,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 02:33:45,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:45,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:45,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:45,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:45,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:45,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:45,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:33:45,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:45,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:45,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:45,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:45,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:45,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:33:45,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:45,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 02:33:45,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:45,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:45,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 02:33:45,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:45,518 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:33:45,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235822298] [2020-10-14 02:33:45,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:45,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:33:45,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054718795] [2020-10-14 02:33:45,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:33:45,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:45,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:33:45,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:33:45,521 INFO L87 Difference]: Start difference. First operand 617 states and 910 transitions. Second operand 5 states. [2020-10-14 02:33:47,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:47,822 INFO L93 Difference]: Finished difference Result 1818 states and 2715 transitions. [2020-10-14 02:33:47,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:47,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-10-14 02:33:47,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:47,834 INFO L225 Difference]: With dead ends: 1818 [2020-10-14 02:33:47,834 INFO L226 Difference]: Without dead ends: 1207 [2020-10-14 02:33:47,836 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 [2020-10-14 02:33:47,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-10-14 02:33:47,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1193. [2020-10-14 02:33:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-14 02:33:47,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1622 transitions. [2020-10-14 02:33:47,886 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1622 transitions. Word has length 93 [2020-10-14 02:33:47,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:47,887 INFO L479 AbstractCegarLoop]: Abstraction has 1193 states and 1622 transitions. [2020-10-14 02:33:47,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:33:47,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1622 transitions. [2020-10-14 02:33:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-14 02:33:47,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:47,899 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:33:47,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:33:47,899 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:47,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:47,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1293812602, now seen corresponding path program 1 times [2020-10-14 02:33:47,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:47,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940345128] [2020-10-14 02:33:47,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:47,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:48,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:48,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:48,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 02:33:48,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:48,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 810 [2020-10-14 02:33:48,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:48,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-14 02:33:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 02:33:48,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 02:33:48,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:48,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:48,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:48,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:48,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:48,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 02:33:48,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:48,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:48,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:48,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:48,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:48,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:48,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 02:33:48,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:48,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 02:33:48,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:48,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:48,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:48,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:48,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 02:33:48,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:33:49,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940345128] [2020-10-14 02:33:49,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:49,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:33:49,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335905859] [2020-10-14 02:33:49,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:33:49,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:49,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:33:49,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:33:49,043 INFO L87 Difference]: Start difference. First operand 1193 states and 1622 transitions. Second operand 5 states. [2020-10-14 02:33:51,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:51,493 INFO L93 Difference]: Finished difference Result 2770 states and 3953 transitions. [2020-10-14 02:33:51,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:51,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-14 02:33:51,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:51,506 INFO L225 Difference]: With dead ends: 2770 [2020-10-14 02:33:51,506 INFO L226 Difference]: Without dead ends: 1968 [2020-10-14 02:33:51,509 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 [2020-10-14 02:33:51,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2020-10-14 02:33:51,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1960. [2020-10-14 02:33:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1960 states. [2020-10-14 02:33:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2568 transitions. [2020-10-14 02:33:51,565 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2568 transitions. Word has length 118 [2020-10-14 02:33:51,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:51,566 INFO L479 AbstractCegarLoop]: Abstraction has 1960 states and 2568 transitions. [2020-10-14 02:33:51,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:33:51,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2568 transitions. [2020-10-14 02:33:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 02:33:51,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:51,568 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:33:51,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:33:51,569 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:51,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:51,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1765589440, now seen corresponding path program 1 times [2020-10-14 02:33:51,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:51,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923866923] [2020-10-14 02:33:51,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:51,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:51,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:51,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:52,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:52,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:33:52,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:33:52,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1020 [2020-10-14 02:33:52,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:52,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 02:33:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 02:33:52,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:52,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:52,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:52,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:52,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:52,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:52,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:33:52,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:52,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:52,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:52,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:52,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:52,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:52,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:52,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:52,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:52,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:33:52,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:52,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 02:33:52,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:52,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:52,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:52,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 02:33:52,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:33:52,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923866923] [2020-10-14 02:33:52,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:52,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:33:52,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60070079] [2020-10-14 02:33:52,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:33:52,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:52,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:33:52,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:33:52,873 INFO L87 Difference]: Start difference. First operand 1960 states and 2568 transitions. Second operand 5 states. [2020-10-14 02:33:55,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:55,237 INFO L93 Difference]: Finished difference Result 5255 states and 7023 transitions. [2020-10-14 02:33:55,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:55,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-14 02:33:55,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:55,262 INFO L225 Difference]: With dead ends: 5255 [2020-10-14 02:33:55,263 INFO L226 Difference]: Without dead ends: 3301 [2020-10-14 02:33:55,268 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 [2020-10-14 02:33:55,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3301 states. [2020-10-14 02:33:55,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3301 to 3103. [2020-10-14 02:33:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3103 states. [2020-10-14 02:33:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4051 transitions. [2020-10-14 02:33:55,384 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4051 transitions. Word has length 122 [2020-10-14 02:33:55,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:55,385 INFO L479 AbstractCegarLoop]: Abstraction has 3103 states and 4051 transitions. [2020-10-14 02:33:55,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:33:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4051 transitions. [2020-10-14 02:33:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-14 02:33:55,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:55,388 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:33:55,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:33:55,388 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:55,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:55,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1951576669, now seen corresponding path program 1 times [2020-10-14 02:33:55,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:55,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176911676] [2020-10-14 02:33:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:55,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:55,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:56,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:56,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 02:33:56,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:56,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 834 [2020-10-14 02:33:56,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:56,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:56,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-14 02:33:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 02:33:56,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:56,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:56,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:56,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:56,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:56,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:56,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:56,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:56,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:56,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:56,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:56,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:56,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:56,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:56,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:56,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 02:33:56,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:56,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-14 02:33:56,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:56,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:56,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:56,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:56,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 02:33:56,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:33:56,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176911676] [2020-10-14 02:33:56,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:56,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:33:56,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803663553] [2020-10-14 02:33:56,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:33:56,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:56,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:33:56,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:33:56,598 INFO L87 Difference]: Start difference. First operand 3103 states and 4051 transitions. Second operand 5 states. [2020-10-14 02:33:59,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:59,276 INFO L93 Difference]: Finished difference Result 6591 states and 8839 transitions. [2020-10-14 02:33:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:59,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-14 02:33:59,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:59,302 INFO L225 Difference]: With dead ends: 6591 [2020-10-14 02:33:59,302 INFO L226 Difference]: Without dead ends: 4069 [2020-10-14 02:33:59,311 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 [2020-10-14 02:33:59,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4069 states. [2020-10-14 02:33:59,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4069 to 4059. [2020-10-14 02:33:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4059 states. [2020-10-14 02:33:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 4059 states and 5193 transitions. [2020-10-14 02:33:59,474 INFO L78 Accepts]: Start accepts. Automaton has 4059 states and 5193 transitions. Word has length 139 [2020-10-14 02:33:59,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:59,475 INFO L479 AbstractCegarLoop]: Abstraction has 4059 states and 5193 transitions. [2020-10-14 02:33:59,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:33:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 4059 states and 5193 transitions. [2020-10-14 02:33:59,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-14 02:33:59,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:59,479 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:33:59,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:33:59,479 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:59,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:59,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1574923926, now seen corresponding path program 1 times [2020-10-14 02:33:59,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:59,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406123160] [2020-10-14 02:33:59,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:59,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:59,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:00,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:00,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 02:34:00,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:34:00,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1089 [2020-10-14 02:34:00,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:00,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:00,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:00,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-14 02:34:00,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 02:34:00,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:00,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:00,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:00,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:00,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:00,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:00,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:34:00,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:00,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:00,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:00,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:00,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:00,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:00,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:34:00,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:00,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 02:34:00,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:00,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 02:34:00,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:34:00,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406123160] [2020-10-14 02:34:00,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:00,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:34:00,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102390421] [2020-10-14 02:34:00,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:34:00,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:00,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:34:00,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:34:00,927 INFO L87 Difference]: Start difference. First operand 4059 states and 5193 transitions. Second operand 5 states. [2020-10-14 02:34:03,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:03,100 INFO L93 Difference]: Finished difference Result 10046 states and 13270 transitions. [2020-10-14 02:34:03,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:34:03,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-14 02:34:03,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:03,131 INFO L225 Difference]: With dead ends: 10046 [2020-10-14 02:34:03,131 INFO L226 Difference]: Without dead ends: 5993 [2020-10-14 02:34:03,143 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 [2020-10-14 02:34:03,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5993 states. [2020-10-14 02:34:03,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5993 to 5963. [2020-10-14 02:34:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5963 states. [2020-10-14 02:34:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5963 states to 5963 states and 7893 transitions. [2020-10-14 02:34:03,306 INFO L78 Accepts]: Start accepts. Automaton has 5963 states and 7893 transitions. Word has length 157 [2020-10-14 02:34:03,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:03,306 INFO L479 AbstractCegarLoop]: Abstraction has 5963 states and 7893 transitions. [2020-10-14 02:34:03,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:34:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 5963 states and 7893 transitions. [2020-10-14 02:34:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-14 02:34:03,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:03,312 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 02:34:03,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:34:03,313 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:03,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:03,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1255912074, now seen corresponding path program 1 times [2020-10-14 02:34:03,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:03,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453544961] [2020-10-14 02:34:03,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:03,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:03,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:03,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:04,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:04,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:05,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:05,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-14 02:34:05,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:34:05,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2268 [2020-10-14 02:34:05,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:05,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:34:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-14 02:34:05,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:05,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:05,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:05,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:05,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:05,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:05,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:34:05,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:05,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:05,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:05,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:05,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:05,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:05,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:05,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:05,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:34:05,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:05,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 02:34:05,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:05,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:34:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:05,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 02:34:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:05,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:05,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:05,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 02:34:05,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:05,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 02:34:05,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:05,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:05,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:05,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:05,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 02:34:05,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:06,010 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:34:06,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453544961] [2020-10-14 02:34:06,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:06,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:06,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034147170] [2020-10-14 02:34:06,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:06,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:06,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:06,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:06,013 INFO L87 Difference]: Start difference. First operand 5963 states and 7893 transitions. Second operand 7 states. [2020-10-14 02:34:09,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:09,238 INFO L93 Difference]: Finished difference Result 12785 states and 17790 transitions. [2020-10-14 02:34:09,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:34:09,241 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-10-14 02:34:09,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:09,274 INFO L225 Difference]: With dead ends: 12785 [2020-10-14 02:34:09,275 INFO L226 Difference]: Without dead ends: 6828 [2020-10-14 02:34:09,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:34:09,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6828 states. [2020-10-14 02:34:09,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6828 to 6590. [2020-10-14 02:34:09,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2020-10-14 02:34:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 8787 transitions. [2020-10-14 02:34:09,469 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 8787 transitions. Word has length 183 [2020-10-14 02:34:09,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:09,470 INFO L479 AbstractCegarLoop]: Abstraction has 6590 states and 8787 transitions. [2020-10-14 02:34:09,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 8787 transitions. [2020-10-14 02:34:09,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-14 02:34:09,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:09,475 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 02:34:09,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:34:09,475 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:09,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:09,476 INFO L82 PathProgramCache]: Analyzing trace with hash 2001753111, now seen corresponding path program 1 times [2020-10-14 02:34:09,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:09,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641424418] [2020-10-14 02:34:09,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:09,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:09,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:09,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:11,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:14,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:14,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-14 02:34:14,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:34:14,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 02:34:14,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:14,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:34:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-14 02:34:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:14,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:14,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:14,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:14,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:14,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:14,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:34:14,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:14,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:14,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:14,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:14,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:14,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:14,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:14,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:34:14,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:14,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 02:34:14,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:14,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:14,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:14,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 02:34:14,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:14,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 02:34:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:14,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:14,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:14,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 02:34:14,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 02:34:14,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:14,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 02:34:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:14,989 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:34:14,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641424418] [2020-10-14 02:34:14,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:14,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:14,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21133457] [2020-10-14 02:34:14,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:14,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:14,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:14,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:14,991 INFO L87 Difference]: Start difference. First operand 6590 states and 8787 transitions. Second operand 7 states. [2020-10-14 02:34:17,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:17,274 INFO L93 Difference]: Finished difference Result 12499 states and 17222 transitions. [2020-10-14 02:34:17,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:34:17,275 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 184 [2020-10-14 02:34:17,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:17,309 INFO L225 Difference]: With dead ends: 12499 [2020-10-14 02:34:17,309 INFO L226 Difference]: Without dead ends: 6103 [2020-10-14 02:34:17,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:34:17,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6103 states. [2020-10-14 02:34:17,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6103 to 4874. [2020-10-14 02:34:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4874 states. [2020-10-14 02:34:17,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 6237 transitions. [2020-10-14 02:34:17,451 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 6237 transitions. Word has length 184 [2020-10-14 02:34:17,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:17,452 INFO L479 AbstractCegarLoop]: Abstraction has 4874 states and 6237 transitions. [2020-10-14 02:34:17,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:17,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 6237 transitions. [2020-10-14 02:34:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-14 02:34:17,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:17,456 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 02:34:17,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:34:17,456 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:17,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:17,457 INFO L82 PathProgramCache]: Analyzing trace with hash -2027682720, now seen corresponding path program 1 times [2020-10-14 02:34:17,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:17,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588362836] [2020-10-14 02:34:17,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:17,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:17,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:17,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:21,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:21,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 02:34:21,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:34:21,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4231 [2020-10-14 02:34:21,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:21,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:34:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 02:34:21,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:21,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:21,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:21,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:21,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:21,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:21,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 02:34:21,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:21,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:21,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:21,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:21,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:21,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:21,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:21,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:34:21,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:21,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 02:34:21,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:21,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:21,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:21,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 02:34:21,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:21,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 02:34:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:22,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:22,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:22,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:34:22,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:22,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-14 02:34:22,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:22,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 02:34:22,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:34:22,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588362836] [2020-10-14 02:34:22,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:22,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:22,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971209652] [2020-10-14 02:34:22,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:22,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:22,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:22,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:22,710 INFO L87 Difference]: Start difference. First operand 4874 states and 6237 transitions. Second operand 7 states. [2020-10-14 02:34:25,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:25,509 INFO L93 Difference]: Finished difference Result 9994 states and 12874 transitions. [2020-10-14 02:34:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:34:25,511 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 187 [2020-10-14 02:34:25,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:25,528 INFO L225 Difference]: With dead ends: 9994 [2020-10-14 02:34:25,529 INFO L226 Difference]: Without dead ends: 5314 [2020-10-14 02:34:25,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 02:34:25,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5314 states. [2020-10-14 02:34:25,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5314 to 4914. [2020-10-14 02:34:25,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4914 states. [2020-10-14 02:34:25,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4914 states to 4914 states and 6284 transitions. [2020-10-14 02:34:25,636 INFO L78 Accepts]: Start accepts. Automaton has 4914 states and 6284 transitions. Word has length 187 [2020-10-14 02:34:25,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:25,637 INFO L479 AbstractCegarLoop]: Abstraction has 4914 states and 6284 transitions. [2020-10-14 02:34:25,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:25,637 INFO L276 IsEmpty]: Start isEmpty. Operand 4914 states and 6284 transitions. [2020-10-14 02:34:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-14 02:34:25,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:25,643 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:34:25,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 02:34:25,644 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:25,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:25,644 INFO L82 PathProgramCache]: Analyzing trace with hash 882926019, now seen corresponding path program 1 times [2020-10-14 02:34:25,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:25,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077469976] [2020-10-14 02:34:25,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:25,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:25,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:26,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:27,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:27,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-14 02:34:27,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:34:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2150 [2020-10-14 02:34:27,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:27,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:34:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 02:34:27,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:27,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:27,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:27,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:27,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:27,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:27,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 02:34:27,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:27,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:27,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:27,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:27,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:27,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:27,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:27,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:28,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:28,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:34:28,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:28,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 02:34:28,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:28,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:34:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 02:34:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:28,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:28,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:28,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 02:34:28,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:28,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-14 02:34:28,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:28,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 02:34:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:34:28,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077469976] [2020-10-14 02:34:28,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:28,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:28,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192205331] [2020-10-14 02:34:28,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:28,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:28,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:28,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:28,502 INFO L87 Difference]: Start difference. First operand 4914 states and 6284 transitions. Second operand 7 states. [2020-10-14 02:34:32,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:32,263 INFO L93 Difference]: Finished difference Result 13511 states and 18828 transitions. [2020-10-14 02:34:32,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:34:32,264 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-10-14 02:34:32,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:32,305 INFO L225 Difference]: With dead ends: 13511 [2020-10-14 02:34:32,305 INFO L226 Difference]: Without dead ends: 8791 [2020-10-14 02:34:32,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:34:32,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8791 states. [2020-10-14 02:34:32,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8791 to 8044. [2020-10-14 02:34:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8044 states. [2020-10-14 02:34:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10094 transitions. [2020-10-14 02:34:32,537 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10094 transitions. Word has length 233 [2020-10-14 02:34:32,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:32,538 INFO L479 AbstractCegarLoop]: Abstraction has 8044 states and 10094 transitions. [2020-10-14 02:34:32,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10094 transitions. [2020-10-14 02:34:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 02:34:32,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:32,548 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:34:32,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 02:34:32,549 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:32,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:32,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1922423280, now seen corresponding path program 1 times [2020-10-14 02:34:32,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:32,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246198875] [2020-10-14 02:34:32,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:32,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:32,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:33,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:35,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:35,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-14 02:34:35,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:34:35,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2460 [2020-10-14 02:34:35,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:35,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:34:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 02:34:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:35,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:35,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:35,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:35,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:35,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:35,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:34:35,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:35,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:35,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:35,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:35,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:35,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:35,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:34:35,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:35,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 02:34:35,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:35,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 02:34:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:35,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 02:34:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:35,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:35,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:35,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 02:34:35,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:35,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-14 02:34:35,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:35,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 02:34:35,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:35,658 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:34:35,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246198875] [2020-10-14 02:34:35,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:35,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:35,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532550633] [2020-10-14 02:34:35,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:35,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:35,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:35,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:35,661 INFO L87 Difference]: Start difference. First operand 8044 states and 10094 transitions. Second operand 7 states. [2020-10-14 02:34:39,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:39,212 INFO L93 Difference]: Finished difference Result 18683 states and 25409 transitions. [2020-10-14 02:34:39,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:34:39,213 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-10-14 02:34:39,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:39,258 INFO L225 Difference]: With dead ends: 18683 [2020-10-14 02:34:39,258 INFO L226 Difference]: Without dead ends: 10245 [2020-10-14 02:34:39,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:34:39,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10245 states. [2020-10-14 02:34:39,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10245 to 9777. [2020-10-14 02:34:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9777 states. [2020-10-14 02:34:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9777 states to 9777 states and 12167 transitions. [2020-10-14 02:34:39,564 INFO L78 Accepts]: Start accepts. Automaton has 9777 states and 12167 transitions. Word has length 234 [2020-10-14 02:34:39,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:39,564 INFO L479 AbstractCegarLoop]: Abstraction has 9777 states and 12167 transitions. [2020-10-14 02:34:39,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand 9777 states and 12167 transitions. [2020-10-14 02:34:39,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-14 02:34:39,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:39,574 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:34:39,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 02:34:39,574 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:39,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:39,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1553420352, now seen corresponding path program 1 times [2020-10-14 02:34:39,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:39,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365497065] [2020-10-14 02:34:39,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 02:34:39,623 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 02:34:39,624 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 02:34:39,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 02:34:39,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:34:39 BoogieIcfgContainer [2020-10-14 02:34:39,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:34:39,674 INFO L168 Benchmark]: Toolchain (without parser) took 66327.91 ms. Allocated memory was 147.8 MB in the beginning and 910.7 MB in the end (delta: 762.8 MB). Free memory was 101.1 MB in the beginning and 368.2 MB in the end (delta: -267.1 MB). Peak memory consumption was 495.8 MB. Max. memory is 7.1 GB. [2020-10-14 02:34:39,675 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 02:34:39,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1256.71 ms. Allocated memory was 147.8 MB in the beginning and 212.9 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 165.6 MB in the end (delta: -64.5 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2020-10-14 02:34:39,676 INFO L168 Benchmark]: Boogie Preprocessor took 174.11 ms. Allocated memory is still 212.9 MB. Free memory was 165.6 MB in the beginning and 158.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2020-10-14 02:34:39,677 INFO L168 Benchmark]: RCFGBuilder took 2106.37 ms. Allocated memory was 212.9 MB in the beginning and 237.0 MB in the end (delta: 24.1 MB). Free memory was 157.2 MB in the beginning and 90.7 MB in the end (delta: 66.5 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2020-10-14 02:34:39,678 INFO L168 Benchmark]: TraceAbstraction took 62784.88 ms. Allocated memory was 237.0 MB in the beginning and 910.7 MB in the end (delta: 673.7 MB). Free memory was 90.7 MB in the beginning and 368.2 MB in the end (delta: -277.5 MB). Peak memory consumption was 396.2 MB. Max. memory is 7.1 GB. [2020-10-14 02:34:39,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1256.71 ms. Allocated memory was 147.8 MB in the beginning and 212.9 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 165.6 MB in the end (delta: -64.5 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.11 ms. Allocated memory is still 212.9 MB. Free memory was 165.6 MB in the beginning and 158.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2106.37 ms. Allocated memory was 212.9 MB in the beginning and 237.0 MB in the end (delta: 24.1 MB). Free memory was 157.2 MB in the beginning and 90.7 MB in the end (delta: 66.5 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 62784.88 ms. Allocated memory was 237.0 MB in the beginning and 910.7 MB in the end (delta: 673.7 MB). Free memory was 90.7 MB in the beginning and 368.2 MB in the end (delta: -277.5 MB). Peak memory consumption was 396.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 48]: 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 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 TRUE ( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1))) [L604] COND TRUE (a4==1) [L605] a29 = ((((a29 % 15)+ 262) - -1) + -3) [L606] a23 = ((((a23 - 600285) - 8) + 385102) + -384893) [L607] a4 = 0 [L608] a25 = 12 [L614] return 24; [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 TRUE (((((((((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)) [L341] a29 = ((((a29 % 299861)- -278) + 162880) - -51725) [L342] a4 = 1 [L343] a25 = 10 [L345] 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 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 TRUE ((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15)) [L48] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 62.6s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 32.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 570 SDtfs, 6633 SDslu, 756 SDs, 0 SdLazy, 16203 SolverSat, 2288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9777occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 3360 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 27.2s InterpolantComputationTime, 2004 NumberOfCodeBlocks, 2004 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1750 ConstructedInterpolants, 0 QuantifiedInterpolants, 921552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 555/571 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...