/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_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:32:37,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:32:37,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:32:37,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:32:37,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:32:37,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:32:37,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:32:37,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:32:37,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:32:37,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:32:37,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:32:37,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:32:37,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:32:37,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:32:37,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:32:37,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:32:37,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:32:37,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:32:37,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:32:37,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:32:37,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:32:37,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:32:37,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:32:37,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:32:37,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:32:37,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:32:37,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:32:37,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:32:37,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:32:37,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:32:37,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:32:37,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:32:37,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:32:37,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:32:37,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:32:37,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:32:37,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:32:37,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:32:37,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:32:37,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:32:37,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:32:37,643 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 02:32:37,689 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:32:37,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:32:37,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:32:37,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:32:37,692 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:32:37,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:32:37,693 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:32:37,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:32:37,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:32:37,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:32:37,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:32:37,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:32:37,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:32:37,695 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:32:37,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:32:37,695 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:32:37,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:32:37,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:32:37,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:32:37,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:32:37,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:32:37,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:32:37,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:32:37,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:32:37,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:32:37,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:32:37,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:32:37,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:32:37,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:32:37,698 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 02:32:37,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:32:37,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:32:38,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:32:38,004 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:32:38,005 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:32:38,006 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label08.c [2020-10-14 02:32:38,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b62907ceb/431b1aadc54146bfb8f90c716b7d241a/FLAG64ebd477b [2020-10-14 02:32:38,658 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:32:38,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label08.c [2020-10-14 02:32:38,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b62907ceb/431b1aadc54146bfb8f90c716b7d241a/FLAG64ebd477b [2020-10-14 02:32:38,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b62907ceb/431b1aadc54146bfb8f90c716b7d241a [2020-10-14 02:32:38,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:32:38,898 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:32:38,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:32:38,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:32:38,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:32:38,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:32:38" (1/1) ... [2020-10-14 02:32:38,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47211fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:38, skipping insertion in model container [2020-10-14 02:32:38,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:32:38" (1/1) ... [2020-10-14 02:32:38,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:32:38,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:32:39,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:32:39,621 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:32:39,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:32:39,849 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:32:39,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:39 WrapperNode [2020-10-14 02:32:39,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:32:39,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:32:39,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:32:39,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:32:39,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:39" (1/1) ... [2020-10-14 02:32:39,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:39" (1/1) ... [2020-10-14 02:32:39,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:39" (1/1) ... [2020-10-14 02:32:39,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:39" (1/1) ... [2020-10-14 02:32:40,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:39" (1/1) ... [2020-10-14 02:32:40,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:39" (1/1) ... [2020-10-14 02:32:40,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:39" (1/1) ... [2020-10-14 02:32:40,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:32:40,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:32:40,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:32:40,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:32:40,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:39" (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 02:32:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:32:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:32:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:32:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:32:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:32:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:32:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:32:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:32:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:32:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:32:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:32:42,065 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:32:42,065 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:32:42,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:32:42 BoogieIcfgContainer [2020-10-14 02:32:42,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:32:42,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:32:42,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:32:42,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:32:42,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:32:38" (1/3) ... [2020-10-14 02:32:42,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bb9cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:32:42, skipping insertion in model container [2020-10-14 02:32:42,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:39" (2/3) ... [2020-10-14 02:32:42,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bb9cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:32:42, skipping insertion in model container [2020-10-14 02:32:42,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:32:42" (3/3) ... [2020-10-14 02:32:42,082 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label08.c [2020-10-14 02:32:42,094 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:32:42,103 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:32:42,146 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:32:42,174 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:32:42,175 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:32:42,175 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:32:42,175 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:32:42,175 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:32:42,176 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:32:42,176 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:32:42,176 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:32:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 02:32:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-14 02:32:42,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:42,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:32:42,211 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:42,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:42,219 INFO L82 PathProgramCache]: Analyzing trace with hash -2103178606, now seen corresponding path program 1 times [2020-10-14 02:32:42,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:42,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303315573] [2020-10-14 02:32:42,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:42,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:42,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:42,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 02:32:42,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:42,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-14 02:32:42,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:42,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:32:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:32:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 02:32:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 02:32:42,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:42,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:42,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:42,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:42,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:42,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 02:32:42,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:42,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:32:42,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:42,944 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 02:32:42,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303315573] [2020-10-14 02:32:42,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:32:42,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:32:42,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431279503] [2020-10-14 02:32:42,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:32:42,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:42,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:32:42,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:32:42,973 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 02:32:45,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:45,641 INFO L93 Difference]: Finished difference Result 788 states and 1382 transitions. [2020-10-14 02:32:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:32:45,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-14 02:32:45,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:45,676 INFO L225 Difference]: With dead ends: 788 [2020-10-14 02:32:45,677 INFO L226 Difference]: Without dead ends: 431 [2020-10-14 02:32:45,689 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 02:32:45,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-14 02:32:45,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 425. [2020-10-14 02:32:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-14 02:32:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 612 transitions. [2020-10-14 02:32:45,776 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 612 transitions. Word has length 21 [2020-10-14 02:32:45,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:45,776 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 612 transitions. [2020-10-14 02:32:45,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:32:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 612 transitions. [2020-10-14 02:32:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 02:32:45,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:45,781 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 02:32:45,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:32:45,782 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:45,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:45,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1026539826, now seen corresponding path program 1 times [2020-10-14 02:32:45,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:45,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216858153] [2020-10-14 02:32:45,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:45,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:46,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:46,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:46,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:32:46,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:32:46,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 879 [2020-10-14 02:32:46,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:46,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:46,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:46,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:32:46,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 02:32:46,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:32:46,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:46,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:46,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:46,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:46,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 02:32:46,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:46,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:46,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:46,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:46,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:46,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:46,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:32:46,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 02:32:46,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:46,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:32:46,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:32:47,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216858153] [2020-10-14 02:32:47,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:47,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:32:47,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732374086] [2020-10-14 02:32:47,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:32:47,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:47,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:32:47,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:32:47,041 INFO L87 Difference]: Start difference. First operand 425 states and 612 transitions. Second operand 5 states. [2020-10-14 02:32:49,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:49,310 INFO L93 Difference]: Finished difference Result 1241 states and 1804 transitions. [2020-10-14 02:32:49,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:32:49,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-10-14 02:32:49,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:49,318 INFO L225 Difference]: With dead ends: 1241 [2020-10-14 02:32:49,319 INFO L226 Difference]: Without dead ends: 822 [2020-10-14 02:32:49,321 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 02:32:49,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2020-10-14 02:32:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 818. [2020-10-14 02:32:49,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-14 02:32:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1092 transitions. [2020-10-14 02:32:49,386 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1092 transitions. Word has length 93 [2020-10-14 02:32:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:49,387 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 1092 transitions. [2020-10-14 02:32:49,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:32:49,387 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1092 transitions. [2020-10-14 02:32:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 02:32:49,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:49,390 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 02:32:49,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:32:49,391 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:49,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:49,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1380752993, now seen corresponding path program 1 times [2020-10-14 02:32:49,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:49,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324695124] [2020-10-14 02:32:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:49,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:49,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:50,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:50,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-14 02:32:50,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:32:50,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1246 [2020-10-14 02:32:50,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:50,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:32:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 02:32:50,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:50,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:50,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:50,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:50,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:50,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:50,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:32:50,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:50,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:50,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:50,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:50,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:50,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:50,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:50,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:50,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:50,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:32:50,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:50,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 02:32:50,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:50,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:50,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:50,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:50,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 02:32:50,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:32:50,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324695124] [2020-10-14 02:32:50,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:50,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 02:32:50,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764058927] [2020-10-14 02:32:50,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:32:50,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:50,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:32:50,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:32:50,931 INFO L87 Difference]: Start difference. First operand 818 states and 1092 transitions. Second operand 6 states. [2020-10-14 02:32:54,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:54,096 INFO L93 Difference]: Finished difference Result 2994 states and 4134 transitions. [2020-10-14 02:32:54,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 02:32:54,097 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-10-14 02:32:54,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:54,109 INFO L225 Difference]: With dead ends: 2994 [2020-10-14 02:32:54,110 INFO L226 Difference]: Without dead ends: 2182 [2020-10-14 02:32:54,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:32:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2020-10-14 02:32:54,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 2157. [2020-10-14 02:32:54,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-10-14 02:32:54,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2821 transitions. [2020-10-14 02:32:54,179 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2821 transitions. Word has length 94 [2020-10-14 02:32:54,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:54,180 INFO L479 AbstractCegarLoop]: Abstraction has 2157 states and 2821 transitions. [2020-10-14 02:32:54,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:32:54,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2821 transitions. [2020-10-14 02:32:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-14 02:32:54,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:54,183 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:32:54,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:32:54,183 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:54,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:54,184 INFO L82 PathProgramCache]: Analyzing trace with hash -2115435326, now seen corresponding path program 1 times [2020-10-14 02:32:54,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:54,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952972412] [2020-10-14 02:32:54,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:54,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:54,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:54,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:54,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 02:32:54,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:32:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 752 [2020-10-14 02:32:54,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:54,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 02:32:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:32:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 02:32:54,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 02:32:55,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:55,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:55,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:55,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:55,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:55,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 02:32:55,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:55,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:55,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:55,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:55,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:32:55,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:32:55,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:55,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:55,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:55,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:55,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:32:55,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:32:55,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-14 02:32:55,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:55,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:32:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 02:32:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 02:32:55,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952972412] [2020-10-14 02:32:55,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:55,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:32:55,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102463298] [2020-10-14 02:32:55,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:32:55,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:55,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:32:55,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:32:55,466 INFO L87 Difference]: Start difference. First operand 2157 states and 2821 transitions. Second operand 6 states. [2020-10-14 02:32:57,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:57,575 INFO L93 Difference]: Finished difference Result 4708 states and 6198 transitions. [2020-10-14 02:32:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 02:32:57,580 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2020-10-14 02:32:57,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:57,594 INFO L225 Difference]: With dead ends: 4708 [2020-10-14 02:32:57,594 INFO L226 Difference]: Without dead ends: 2557 [2020-10-14 02:32:57,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:32:57,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2020-10-14 02:32:57,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2556. [2020-10-14 02:32:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2556 states. [2020-10-14 02:32:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3301 transitions. [2020-10-14 02:32:57,700 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3301 transitions. Word has length 101 [2020-10-14 02:32:57,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:57,702 INFO L479 AbstractCegarLoop]: Abstraction has 2556 states and 3301 transitions. [2020-10-14 02:32:57,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:32:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3301 transitions. [2020-10-14 02:32:57,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-14 02:32:57,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:57,710 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:32:57,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:32:57,711 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:57,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:57,711 INFO L82 PathProgramCache]: Analyzing trace with hash 724425221, now seen corresponding path program 1 times [2020-10-14 02:32:57,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:57,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616892356] [2020-10-14 02:32:57,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:57,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:58,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:58,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 02:32:58,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:58,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 510 [2020-10-14 02:32:58,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:58,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:32:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:32:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 02:32:58,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:58,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:58,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:58,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:58,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:58,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:58,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 02:32:58,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:58,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:32:58,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:58,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:58,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:58,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:58,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 02:32:58,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-14 02:32:58,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:58,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:32:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:32:58,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:32:58,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616892356] [2020-10-14 02:32:58,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:32:58,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 02:32:58,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131150243] [2020-10-14 02:32:58,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:32:58,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:58,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:32:58,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:32:58,859 INFO L87 Difference]: Start difference. First operand 2556 states and 3301 transitions. Second operand 7 states. [2020-10-14 02:33:01,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:01,585 INFO L93 Difference]: Finished difference Result 4183 states and 5709 transitions. [2020-10-14 02:33:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:33:01,586 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2020-10-14 02:33:01,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:01,602 INFO L225 Difference]: With dead ends: 4183 [2020-10-14 02:33:01,602 INFO L226 Difference]: Without dead ends: 2979 [2020-10-14 02:33:01,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:33:01,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2020-10-14 02:33:01,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2963. [2020-10-14 02:33:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2963 states. [2020-10-14 02:33:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 3731 transitions. [2020-10-14 02:33:01,680 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 3731 transitions. Word has length 131 [2020-10-14 02:33:01,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:01,681 INFO L479 AbstractCegarLoop]: Abstraction has 2963 states and 3731 transitions. [2020-10-14 02:33:01,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 3731 transitions. [2020-10-14 02:33:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-14 02:33:01,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:01,686 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:33:01,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:33:01,686 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:01,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:01,687 INFO L82 PathProgramCache]: Analyzing trace with hash -2145898936, now seen corresponding path program 1 times [2020-10-14 02:33:01,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:01,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201683410] [2020-10-14 02:33:01,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:01,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:02,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:02,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 02:33:02,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:02,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-14 02:33:02,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:02,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:02,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:02,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 02:33:02,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:33:02,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:02,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:02,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:02,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:02,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:02,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:02,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:33:02,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:02,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:02,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:02,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:02,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:02,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:33:02,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:02,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-14 02:33:02,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:02,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:02,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:02,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:02,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:33:02,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:33:02,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 02:33:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:02,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:02,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:02,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:33:02,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:02,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 02:33:02,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:02,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 02:33:02,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:02,739 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:33:02,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201683410] [2020-10-14 02:33:02,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:02,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:02,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749049963] [2020-10-14 02:33:02,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:02,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:02,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:02,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:02,742 INFO L87 Difference]: Start difference. First operand 2963 states and 3731 transitions. Second operand 7 states. [2020-10-14 02:33:05,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:05,392 INFO L93 Difference]: Finished difference Result 6359 states and 8253 transitions. [2020-10-14 02:33:05,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:33:05,393 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-10-14 02:33:05,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:05,410 INFO L225 Difference]: With dead ends: 6359 [2020-10-14 02:33:05,411 INFO L226 Difference]: Without dead ends: 3780 [2020-10-14 02:33:05,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 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 02:33:05,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3780 states. [2020-10-14 02:33:05,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3780 to 3763. [2020-10-14 02:33:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3763 states. [2020-10-14 02:33:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 4715 transitions. [2020-10-14 02:33:05,509 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 4715 transitions. Word has length 217 [2020-10-14 02:33:05,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:05,510 INFO L479 AbstractCegarLoop]: Abstraction has 3763 states and 4715 transitions. [2020-10-14 02:33:05,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 4715 transitions. [2020-10-14 02:33:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-14 02:33:05,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:05,515 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:33:05,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:33:05,515 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:05,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:05,516 INFO L82 PathProgramCache]: Analyzing trace with hash -608718906, now seen corresponding path program 1 times [2020-10-14 02:33:05,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:05,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160828189] [2020-10-14 02:33:05,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:05,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:05,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:07,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:07,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-14 02:33:07,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:07,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1488 [2020-10-14 02:33:07,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:07,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:07,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:33:07,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 02:33:07,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:33:07,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:07,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:07,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:07,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:07,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:07,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:07,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:07,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:07,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:07,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:07,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:07,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:33:07,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:07,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-14 02:33:07,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:07,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:33:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:33:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:07,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:07,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:07,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 02:33:07,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:07,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-14 02:33:07,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:07,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 02:33:07,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:07,700 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 02:33:07,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160828189] [2020-10-14 02:33:07,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:07,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:07,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375513310] [2020-10-14 02:33:07,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:07,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:07,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:07,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:07,703 INFO L87 Difference]: Start difference. First operand 3763 states and 4715 transitions. Second operand 7 states. [2020-10-14 02:33:10,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:10,206 INFO L93 Difference]: Finished difference Result 7214 states and 9136 transitions. [2020-10-14 02:33:10,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:33:10,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-10-14 02:33:10,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:10,223 INFO L225 Difference]: With dead ends: 7214 [2020-10-14 02:33:10,224 INFO L226 Difference]: Without dead ends: 3835 [2020-10-14 02:33:10,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 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 02:33:10,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2020-10-14 02:33:10,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 3808. [2020-10-14 02:33:10,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3808 states. [2020-10-14 02:33:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 4740 transitions. [2020-10-14 02:33:10,312 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 4740 transitions. Word has length 222 [2020-10-14 02:33:10,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:10,312 INFO L479 AbstractCegarLoop]: Abstraction has 3808 states and 4740 transitions. [2020-10-14 02:33:10,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:10,313 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 4740 transitions. [2020-10-14 02:33:10,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-14 02:33:10,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:10,318 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:33:10,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:33:10,318 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:10,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:10,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1265341176, now seen corresponding path program 1 times [2020-10-14 02:33:10,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:10,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200939955] [2020-10-14 02:33:10,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:10,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:10,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:10,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:11,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:12,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:12,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-14 02:33:12,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:33:12,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1937 [2020-10-14 02:33:12,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:12,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-14 02:33:12,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:33:12,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:33:12,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:12,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:12,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:12,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:12,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:33:12,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:12,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:12,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:12,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:12,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:12,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:33:12,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-14 02:33:12,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:12,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-14 02:33:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:33:12,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:12,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:33:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:12,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:12,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:12,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:33:12,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:12,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 02:33:12,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:12,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 02:33:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:12,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 02:33:12,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200939955] [2020-10-14 02:33:12,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:12,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:33:12,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288815469] [2020-10-14 02:33:12,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:33:12,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:12,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:33:12,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:33:12,726 INFO L87 Difference]: Start difference. First operand 3808 states and 4740 transitions. Second operand 5 states. [2020-10-14 02:33:15,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:15,205 INFO L93 Difference]: Finished difference Result 8776 states and 11353 transitions. [2020-10-14 02:33:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:15,212 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2020-10-14 02:33:15,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:15,235 INFO L225 Difference]: With dead ends: 8776 [2020-10-14 02:33:15,235 INFO L226 Difference]: Without dead ends: 5352 [2020-10-14 02:33:15,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:33:15,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5352 states. [2020-10-14 02:33:15,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5352 to 5340. [2020-10-14 02:33:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5340 states. [2020-10-14 02:33:15,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5340 states to 5340 states and 6620 transitions. [2020-10-14 02:33:15,358 INFO L78 Accepts]: Start accepts. Automaton has 5340 states and 6620 transitions. Word has length 232 [2020-10-14 02:33:15,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:15,359 INFO L479 AbstractCegarLoop]: Abstraction has 5340 states and 6620 transitions. [2020-10-14 02:33:15,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:33:15,359 INFO L276 IsEmpty]: Start isEmpty. Operand 5340 states and 6620 transitions. [2020-10-14 02:33:15,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-14 02:33:15,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:15,365 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:33:15,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:33:15,365 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:15,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:15,366 INFO L82 PathProgramCache]: Analyzing trace with hash 557994898, now seen corresponding path program 1 times [2020-10-14 02:33:15,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:15,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261101631] [2020-10-14 02:33:15,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:15,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:15,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:17,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:17,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-14 02:33:17,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1862 [2020-10-14 02:33:17,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:17,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:33:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 02:33:17,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:17,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:17,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:17,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:17,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:17,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:17,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:17,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:17,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:17,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:17,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:33:17,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:17,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-14 02:33:17,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:17,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:17,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:17,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:17,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:33:17,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:17,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:33:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:17,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:17,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:17,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 02:33:17,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:17,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 02:33:17,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:17,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 02:33:17,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:33:17,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261101631] [2020-10-14 02:33:17,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:17,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:17,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936923779] [2020-10-14 02:33:17,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:17,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:17,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:17,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:17,953 INFO L87 Difference]: Start difference. First operand 5340 states and 6620 transitions. Second operand 7 states. [2020-10-14 02:33:21,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:21,632 INFO L93 Difference]: Finished difference Result 12068 states and 15241 transitions. [2020-10-14 02:33:21,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:33:21,633 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 244 [2020-10-14 02:33:21,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:21,667 INFO L225 Difference]: With dead ends: 12068 [2020-10-14 02:33:21,667 INFO L226 Difference]: Without dead ends: 7112 [2020-10-14 02:33:21,678 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 02:33:21,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7112 states. [2020-10-14 02:33:21,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7112 to 7090. [2020-10-14 02:33:21,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7090 states. [2020-10-14 02:33:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7090 states to 7090 states and 8860 transitions. [2020-10-14 02:33:21,817 INFO L78 Accepts]: Start accepts. Automaton has 7090 states and 8860 transitions. Word has length 244 [2020-10-14 02:33:21,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:21,818 INFO L479 AbstractCegarLoop]: Abstraction has 7090 states and 8860 transitions. [2020-10-14 02:33:21,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 7090 states and 8860 transitions. [2020-10-14 02:33:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-14 02:33:21,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:21,824 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:33:21,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:33:21,825 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:21,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:21,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1492642549, now seen corresponding path program 1 times [2020-10-14 02:33:21,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:21,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16062045] [2020-10-14 02:33:21,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:21,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:22,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:23,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:23,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-14 02:33:23,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1232 [2020-10-14 02:33:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:23,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 02:33:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 02:33:23,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:23,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:23,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:23,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:23,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:23,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:23,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:23,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:23,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:23,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:23,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:23,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:23,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:23,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:33:23,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 02:33:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:23,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:33:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:23,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 02:33:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:23,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:23,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:23,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 02:33:23,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:23,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-14 02:33:23,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:23,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:23,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:23,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:33:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:33:24,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16062045] [2020-10-14 02:33:24,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:24,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:24,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129558871] [2020-10-14 02:33:24,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:24,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:24,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:24,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:24,010 INFO L87 Difference]: Start difference. First operand 7090 states and 8860 transitions. Second operand 7 states. [2020-10-14 02:33:26,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:26,569 INFO L93 Difference]: Finished difference Result 14996 states and 18915 transitions. [2020-10-14 02:33:26,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 02:33:26,570 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-10-14 02:33:26,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:26,596 INFO L225 Difference]: With dead ends: 14996 [2020-10-14 02:33:26,596 INFO L226 Difference]: Without dead ends: 8290 [2020-10-14 02:33:26,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 02:33:26,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8290 states. [2020-10-14 02:33:26,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8290 to 8088. [2020-10-14 02:33:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8088 states. [2020-10-14 02:33:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8088 states to 8088 states and 10103 transitions. [2020-10-14 02:33:26,758 INFO L78 Accepts]: Start accepts. Automaton has 8088 states and 10103 transitions. Word has length 247 [2020-10-14 02:33:26,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:26,759 INFO L479 AbstractCegarLoop]: Abstraction has 8088 states and 10103 transitions. [2020-10-14 02:33:26,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 8088 states and 10103 transitions. [2020-10-14 02:33:26,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-14 02:33:26,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:26,765 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:33:26,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 02:33:26,766 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:26,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:26,766 INFO L82 PathProgramCache]: Analyzing trace with hash 582193791, now seen corresponding path program 1 times [2020-10-14 02:33:26,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:26,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242105870] [2020-10-14 02:33:26,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:26,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:27,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:28,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:28,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-14 02:33:28,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1259 [2020-10-14 02:33:28,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:28,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 02:33:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 02:33:28,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:28,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:28,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:28,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:28,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:28,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:28,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:28,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:28,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:28,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:28,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:28,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:28,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:28,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:33:28,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:28,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 02:33:28,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:28,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 02:33:28,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:28,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:33:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:28,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:28,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:28,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 02:33:28,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:28,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-14 02:33:28,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:28,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:28,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:28,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:28,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:33:28,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:33:28,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242105870] [2020-10-14 02:33:28,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:28,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:28,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484344038] [2020-10-14 02:33:28,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:28,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:28,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:28,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:28,861 INFO L87 Difference]: Start difference. First operand 8088 states and 10103 transitions. Second operand 7 states. [2020-10-14 02:33:32,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:32,700 INFO L93 Difference]: Finished difference Result 18886 states and 23728 transitions. [2020-10-14 02:33:32,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:33:32,701 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 257 [2020-10-14 02:33:32,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:32,733 INFO L225 Difference]: With dead ends: 18886 [2020-10-14 02:33:32,733 INFO L226 Difference]: Without dead ends: 11182 [2020-10-14 02:33:32,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:33:32,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11182 states. [2020-10-14 02:33:32,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11182 to 10590. [2020-10-14 02:33:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10590 states. [2020-10-14 02:33:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10590 states to 10590 states and 12957 transitions. [2020-10-14 02:33:32,951 INFO L78 Accepts]: Start accepts. Automaton has 10590 states and 12957 transitions. Word has length 257 [2020-10-14 02:33:32,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:32,952 INFO L479 AbstractCegarLoop]: Abstraction has 10590 states and 12957 transitions. [2020-10-14 02:33:32,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:32,952 INFO L276 IsEmpty]: Start isEmpty. Operand 10590 states and 12957 transitions. [2020-10-14 02:33:32,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-14 02:33:32,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:32,961 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:33:32,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 02:33:32,962 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:32,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:32,963 INFO L82 PathProgramCache]: Analyzing trace with hash -151459590, now seen corresponding path program 1 times [2020-10-14 02:33:32,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:32,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024136547] [2020-10-14 02:33:32,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:33,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:33,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:34,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:34,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-14 02:33:34,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:34,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1353 [2020-10-14 02:33:34,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:34,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-10-14 02:33:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 02:33:34,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:34,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:34,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:34,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:34,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:34,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:33:34,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:34,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:34,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:34,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:34,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:34,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:34,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:33:34,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 02:33:34,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:34,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:34,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:34,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:34,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:34,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:34,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 02:33:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:34,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:34,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:34,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 02:33:34,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:34,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 02:33:34,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:34,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:33:34,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-14 02:33:34,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024136547] [2020-10-14 02:33:34,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:34,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:33:34,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501637749] [2020-10-14 02:33:34,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:33:34,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:34,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:33:34,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:33:34,902 INFO L87 Difference]: Start difference. First operand 10590 states and 12957 transitions. Second operand 5 states. [2020-10-14 02:33:37,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:37,367 INFO L93 Difference]: Finished difference Result 19837 states and 24664 transitions. [2020-10-14 02:33:37,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:37,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2020-10-14 02:33:37,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:37,413 INFO L225 Difference]: With dead ends: 19837 [2020-10-14 02:33:37,413 INFO L226 Difference]: Without dead ends: 12135 [2020-10-14 02:33:37,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:33:37,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12135 states. [2020-10-14 02:33:37,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12135 to 12115. [2020-10-14 02:33:37,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12115 states. [2020-10-14 02:33:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12115 states to 12115 states and 14707 transitions. [2020-10-14 02:33:37,723 INFO L78 Accepts]: Start accepts. Automaton has 12115 states and 14707 transitions. Word has length 267 [2020-10-14 02:33:37,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:37,724 INFO L479 AbstractCegarLoop]: Abstraction has 12115 states and 14707 transitions. [2020-10-14 02:33:37,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:33:37,724 INFO L276 IsEmpty]: Start isEmpty. Operand 12115 states and 14707 transitions. [2020-10-14 02:33:37,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-14 02:33:37,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:37,731 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:33:37,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 02:33:37,731 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:37,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:37,732 INFO L82 PathProgramCache]: Analyzing trace with hash 2030156882, now seen corresponding path program 1 times [2020-10-14 02:33:37,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:37,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252173346] [2020-10-14 02:33:37,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:37,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:37,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:39,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:39,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-14 02:33:39,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:39,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1479 [2020-10-14 02:33:39,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:39,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 02:33:39,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 02:33:39,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:39,445 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-10-14 02:33:39,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:39,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:39,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:39,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:39,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:39,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:39,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:39,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:39,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:39,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:39,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:39,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:39,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:39,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:39,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:39,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 02:33:39,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 02:33:39,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:39,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:39,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:39,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 02:33:39,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:39,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 02:33:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:39,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:39,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:39,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 02:33:39,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:39,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-14 02:33:39,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:39,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:39,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:39,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:33:39,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:33:40,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252173346] [2020-10-14 02:33:40,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:40,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:40,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183154622] [2020-10-14 02:33:40,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:40,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:40,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:40,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:40,595 INFO L87 Difference]: Start difference. First operand 12115 states and 14707 transitions. Second operand 7 states. [2020-10-14 02:33:43,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:43,828 INFO L93 Difference]: Finished difference Result 21987 states and 27940 transitions. [2020-10-14 02:33:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 02:33:43,830 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 278 [2020-10-14 02:33:43,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:43,882 INFO L225 Difference]: With dead ends: 21987 [2020-10-14 02:33:43,883 INFO L226 Difference]: Without dead ends: 12954 [2020-10-14 02:33:43,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 02:33:43,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12954 states. [2020-10-14 02:33:44,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12954 to 12691. [2020-10-14 02:33:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12691 states. [2020-10-14 02:33:44,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12691 states to 12691 states and 15346 transitions. [2020-10-14 02:33:44,238 INFO L78 Accepts]: Start accepts. Automaton has 12691 states and 15346 transitions. Word has length 278 [2020-10-14 02:33:44,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:44,238 INFO L479 AbstractCegarLoop]: Abstraction has 12691 states and 15346 transitions. [2020-10-14 02:33:44,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 12691 states and 15346 transitions. [2020-10-14 02:33:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-14 02:33:44,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:44,247 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:33:44,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 02:33:44,247 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:44,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:44,247 INFO L82 PathProgramCache]: Analyzing trace with hash -845939440, now seen corresponding path program 1 times [2020-10-14 02:33:44,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:44,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477000688] [2020-10-14 02:33:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 02:33:44,314 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 02:33:44,314 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 02:33:44,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 02:33:44,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:33:44 BoogieIcfgContainer [2020-10-14 02:33:44,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:33:44,396 INFO L168 Benchmark]: Toolchain (without parser) took 65497.59 ms. Allocated memory was 149.4 MB in the beginning and 867.2 MB in the end (delta: 717.8 MB). Free memory was 103.3 MB in the beginning and 481.7 MB in the end (delta: -378.4 MB). Peak memory consumption was 339.4 MB. Max. memory is 7.1 GB. [2020-10-14 02:33:44,396 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 149.4 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 02:33:44,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 950.55 ms. Allocated memory was 149.4 MB in the beginning and 212.3 MB in the end (delta: 62.9 MB). Free memory was 102.9 MB in the beginning and 166.6 MB in the end (delta: -63.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2020-10-14 02:33:44,398 INFO L168 Benchmark]: Boogie Preprocessor took 225.81 ms. Allocated memory is still 212.3 MB. Free memory was 166.6 MB in the beginning and 159.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2020-10-14 02:33:44,404 INFO L168 Benchmark]: RCFGBuilder took 1996.48 ms. Allocated memory was 212.3 MB in the beginning and 238.6 MB in the end (delta: 26.2 MB). Free memory was 159.0 MB in the beginning and 93.9 MB in the end (delta: 65.0 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:33:44,405 INFO L168 Benchmark]: TraceAbstraction took 62319.14 ms. Allocated memory was 238.6 MB in the beginning and 867.2 MB in the end (delta: 628.6 MB). Free memory was 92.6 MB in the beginning and 481.7 MB in the end (delta: -389.1 MB). Peak memory consumption was 239.5 MB. Max. memory is 7.1 GB. [2020-10-14 02:33:44,410 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 149.4 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 950.55 ms. Allocated memory was 149.4 MB in the beginning and 212.3 MB in the end (delta: 62.9 MB). Free memory was 102.9 MB in the beginning and 166.6 MB in the end (delta: -63.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 225.81 ms. Allocated memory is still 212.3 MB. Free memory was 166.6 MB in the beginning and 159.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1996.48 ms. Allocated memory was 212.3 MB in the beginning and 238.6 MB in the end (delta: 26.2 MB). Free memory was 159.0 MB in the beginning and 93.9 MB in the end (delta: 65.0 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 62319.14 ms. Allocated memory was 238.6 MB in the beginning and 867.2 MB in the end (delta: 628.6 MB). Free memory was 92.6 MB in the beginning and 481.7 MB in the end (delta: -389.1 MB). Peak memory consumption was 239.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 51]: 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 FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L628] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L635] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L642] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L647] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L658] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L663] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L670] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L675] COND TRUE (((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15)) [L676] a29 = (((((a29 / 5) % 52)- -147) - 494611) + 494614) [L677] a4 = 1 [L678] a25 = 13 [L680] 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 FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND TRUE ((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15)) [L51] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 62.1s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 36.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 633 SDtfs, 7406 SDslu, 1080 SDs, 0 SdLazy, 19175 SolverSat, 2397 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12691occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 1207 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 21.3s InterpolantComputationTime, 2695 NumberOfCodeBlocks, 2695 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2391 ConstructedInterpolants, 0 QuantifiedInterpolants, 1854029 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 1019/1048 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...