/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=BIGGEST --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/Problem10_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:06:29,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:06:29,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:06:29,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:06:29,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:06:29,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:06:29,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:06:29,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:06:29,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:06:29,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:06:29,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:06:29,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:06:29,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:06:29,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:06:29,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:06:29,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:06:29,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:06:29,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:06:29,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:06:29,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:06:29,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:06:29,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:06:29,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:06:29,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:06:29,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:06:29,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:06:29,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:06:29,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:06:29,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:06:29,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:06:29,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:06:29,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:06:29,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:06:29,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:06:29,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:06:29,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:06:29,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:06:29,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:06:29,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:06:29,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:06:29,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:06:29,911 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 [2020-10-12 13:06:29,964 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:06:29,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:06:29,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:06:29,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:06:29,969 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:06:29,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:06:29,970 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:06:29,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:06:29,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:06:29,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:06:29,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:06:29,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:06:29,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:06:29,971 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:06:29,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:06:29,972 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:06:29,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:06:29,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:06:29,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:06:29,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:06:29,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:06:29,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:06:29,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:06:29,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:06:29,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:06:29,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:06:29,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:06:29,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:06:29,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:06:29,978 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:06:30,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:06:30,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:06:30,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:06:30,304 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:06:30,305 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:06:30,306 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label50.c [2020-10-12 13:06:30,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/07e0280a1/f443a03063eb46fd95ab5ce623d94f2f/FLAGa5434cd2d [2020-10-12 13:06:30,961 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:06:30,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label50.c [2020-10-12 13:06:30,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/07e0280a1/f443a03063eb46fd95ab5ce623d94f2f/FLAGa5434cd2d [2020-10-12 13:06:31,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/07e0280a1/f443a03063eb46fd95ab5ce623d94f2f [2020-10-12 13:06:31,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:06:31,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:06:31,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:06:31,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:06:31,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:06:31,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:06:31" (1/1) ... [2020-10-12 13:06:31,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f14d527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31, skipping insertion in model container [2020-10-12 13:06:31,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:06:31" (1/1) ... [2020-10-12 13:06:31,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:06:31,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:06:31,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:06:31,655 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:06:31,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:06:31,957 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:06:31,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31 WrapperNode [2020-10-12 13:06:31,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:06:31,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:06:31,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:06:31,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:06:31,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31" (1/1) ... [2020-10-12 13:06:31,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31" (1/1) ... [2020-10-12 13:06:32,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31" (1/1) ... [2020-10-12 13:06:32,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31" (1/1) ... [2020-10-12 13:06:32,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31" (1/1) ... [2020-10-12 13:06:32,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31" (1/1) ... [2020-10-12 13:06:32,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31" (1/1) ... [2020-10-12 13:06:32,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:06:32,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:06:32,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:06:32,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:06:32,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31" (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 [2020-10-12 13:06:32,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:06:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:06:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:06:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:06:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:06:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:06:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:06:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:06:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:06:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:06:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:06:33,538 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:06:33,539 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:06:33,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:06:33 BoogieIcfgContainer [2020-10-12 13:06:33,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:06:33,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:06:33,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:06:33,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:06:33,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:06:31" (1/3) ... [2020-10-12 13:06:33,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2b54b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:06:33, skipping insertion in model container [2020-10-12 13:06:33,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:31" (2/3) ... [2020-10-12 13:06:33,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2b54b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:06:33, skipping insertion in model container [2020-10-12 13:06:33,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:06:33" (3/3) ... [2020-10-12 13:06:33,554 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label50.c [2020-10-12 13:06:33,565 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:06:33,573 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:06:33,587 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:06:33,615 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:06:33,615 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:06:33,616 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:06:33,616 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:06:33,616 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:06:33,617 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:06:33,617 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:06:33,617 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:06:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-12 13:06:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-12 13:06:33,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:33,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:33,650 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:33,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:33,656 INFO L82 PathProgramCache]: Analyzing trace with hash 397772918, now seen corresponding path program 1 times [2020-10-12 13:06:33,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:33,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1587193552] [2020-10-12 13:06:33,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:33,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:34,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:34,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 13:06:34,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:34,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-12 13:06:34,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:34,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 13:06:34,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 13:06:34,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:34,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:34,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:34,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:34,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:34,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 13:06:34,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:34,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:34,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1587193552] [2020-10-12 13:06:34,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:06:34,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:06:34,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50650253] [2020-10-12 13:06:34,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:06:34,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:34,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:06:34,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:06:34,257 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-12 13:06:35,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:35,783 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-12 13:06:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:35,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-12 13:06:35,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:35,814 INFO L225 Difference]: With dead ends: 581 [2020-10-12 13:06:35,815 INFO L226 Difference]: Without dead ends: 302 [2020-10-12 13:06:35,827 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 [2020-10-12 13:06:35,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-12 13:06:35,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-12 13:06:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-12 13:06:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-10-12 13:06:35,899 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 15 [2020-10-12 13:06:35,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:35,900 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-10-12 13:06:35,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:06:35,900 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-10-12 13:06:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 13:06:35,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:35,905 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:35,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:06:35,905 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:35,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:35,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1068134291, now seen corresponding path program 1 times [2020-10-12 13:06:35,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:35,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916740825] [2020-10-12 13:06:35,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:36,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:36,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:36,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:36,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:36,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 13:06:36,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:36,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 962 [2020-10-12 13:06:36,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:06:36,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:36,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:36,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:36,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:36,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:36,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:36,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 13:06:36,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:36,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:37,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:37,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:37,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:37,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:06:37,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:37,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-12 13:06:37,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:37,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:37,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916740825] [2020-10-12 13:06:37,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:06:37,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:06:37,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879132451] [2020-10-12 13:06:37,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:37,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:37,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:37,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:37,287 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 7 states. [2020-10-12 13:06:38,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:38,749 INFO L93 Difference]: Finished difference Result 749 states and 1150 transitions. [2020-10-12 13:06:38,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:06:38,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-10-12 13:06:38,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:38,759 INFO L225 Difference]: With dead ends: 749 [2020-10-12 13:06:38,759 INFO L226 Difference]: Without dead ends: 459 [2020-10-12 13:06:38,761 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 [2020-10-12 13:06:38,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-10-12 13:06:38,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 445. [2020-10-12 13:06:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-10-12 13:06:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 626 transitions. [2020-10-12 13:06:38,797 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 626 transitions. Word has length 88 [2020-10-12 13:06:38,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:38,798 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 626 transitions. [2020-10-12 13:06:38,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 626 transitions. [2020-10-12 13:06:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-12 13:06:38,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:38,801 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:38,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:06:38,802 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:38,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:38,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1363459929, now seen corresponding path program 1 times [2020-10-12 13:06:38,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:38,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1604784050] [2020-10-12 13:06:38,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:38,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:38,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:38,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-12 13:06:38,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:38,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 13:06:38,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:38,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:38,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:06:38,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 13:06:38,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:39,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:39,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:39,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:39,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:39,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:39,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:39,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:39,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:39,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:39,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:39,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:39,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:39,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:39,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:39,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:06:39,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 13:06:39,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:39,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:39,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1604784050] [2020-10-12 13:06:39,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:39,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:39,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259837633] [2020-10-12 13:06:39,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:06:39,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:39,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:06:39,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:06:39,181 INFO L87 Difference]: Start difference. First operand 445 states and 626 transitions. Second operand 5 states. [2020-10-12 13:06:40,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:40,429 INFO L93 Difference]: Finished difference Result 1337 states and 1930 transitions. [2020-10-12 13:06:40,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:40,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-10-12 13:06:40,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:40,442 INFO L225 Difference]: With dead ends: 1337 [2020-10-12 13:06:40,442 INFO L226 Difference]: Without dead ends: 898 [2020-10-12 13:06:40,445 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 [2020-10-12 13:06:40,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-10-12 13:06:40,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 888. [2020-10-12 13:06:40,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-10-12 13:06:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1164 transitions. [2020-10-12 13:06:40,498 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1164 transitions. Word has length 94 [2020-10-12 13:06:40,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:40,499 INFO L479 AbstractCegarLoop]: Abstraction has 888 states and 1164 transitions. [2020-10-12 13:06:40,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:06:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1164 transitions. [2020-10-12 13:06:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-12 13:06:40,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:40,503 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:40,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:06:40,503 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:40,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:40,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1642796538, now seen corresponding path program 1 times [2020-10-12 13:06:40,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:40,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407763679] [2020-10-12 13:06:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:40,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:40,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:40,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:41,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:41,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-12 13:06:41,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:41,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 919 [2020-10-12 13:06:41,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:41,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 13:06:41,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:41,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 13:06:41,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:41,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:41,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:41,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:41,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:41,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 13:06:41,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:41,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:41,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:06:41,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:41,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:41,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:41,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:41,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:06:41,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:41,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-12 13:06:41,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:06:41,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 13:06:41,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407763679] [2020-10-12 13:06:41,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:41,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:41,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74769054] [2020-10-12 13:06:41,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:06:41,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:41,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:06:42,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:06:42,000 INFO L87 Difference]: Start difference. First operand 888 states and 1164 transitions. Second operand 6 states. [2020-10-12 13:06:43,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:43,218 INFO L93 Difference]: Finished difference Result 2076 states and 2786 transitions. [2020-10-12 13:06:43,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 13:06:43,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2020-10-12 13:06:43,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:43,233 INFO L225 Difference]: With dead ends: 2076 [2020-10-12 13:06:43,234 INFO L226 Difference]: Without dead ends: 1194 [2020-10-12 13:06:43,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:43,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-10-12 13:06:43,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1043. [2020-10-12 13:06:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2020-10-12 13:06:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1282 transitions. [2020-10-12 13:06:43,288 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1282 transitions. Word has length 105 [2020-10-12 13:06:43,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:43,289 INFO L479 AbstractCegarLoop]: Abstraction has 1043 states and 1282 transitions. [2020-10-12 13:06:43,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:06:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1282 transitions. [2020-10-12 13:06:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-12 13:06:43,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:43,302 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:43,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:06:43,302 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:43,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:43,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1385846678, now seen corresponding path program 1 times [2020-10-12 13:06:43,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:43,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777624869] [2020-10-12 13:06:43,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:43,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:44,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:44,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:44,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-12 13:06:44,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:44,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-10-12 13:06:44,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:44,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:44,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:06:44,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 13:06:44,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:44,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:44,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:44,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:44,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:44,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:44,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:06:44,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:44,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:44,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:44,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:44,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:44,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:06:44,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:44,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 13:06:44,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:06:44,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:44,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:06:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:44,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:44,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:44,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:44,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:06:44,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:44,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-12 13:06:44,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:44,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:06:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 73 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:06:44,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777624869] [2020-10-12 13:06:44,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:44,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:06:44,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684689221] [2020-10-12 13:06:44,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:06:44,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:44,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:06:44,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:06:44,997 INFO L87 Difference]: Start difference. First operand 1043 states and 1282 transitions. Second operand 6 states. [2020-10-12 13:06:46,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:46,414 INFO L93 Difference]: Finished difference Result 2970 states and 3744 transitions. [2020-10-12 13:06:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 13:06:46,415 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2020-10-12 13:06:46,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:46,426 INFO L225 Difference]: With dead ends: 2970 [2020-10-12 13:06:46,426 INFO L226 Difference]: Without dead ends: 1933 [2020-10-12 13:06:46,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:46,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2020-10-12 13:06:46,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1635. [2020-10-12 13:06:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2020-10-12 13:06:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1968 transitions. [2020-10-12 13:06:46,487 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1968 transitions. Word has length 175 [2020-10-12 13:06:46,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:46,488 INFO L479 AbstractCegarLoop]: Abstraction has 1635 states and 1968 transitions. [2020-10-12 13:06:46,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:06:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1968 transitions. [2020-10-12 13:06:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-12 13:06:46,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:46,491 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:46,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:06:46,492 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:46,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:46,492 INFO L82 PathProgramCache]: Analyzing trace with hash -9110407, now seen corresponding path program 1 times [2020-10-12 13:06:46,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:46,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670213544] [2020-10-12 13:06:46,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:46,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:46,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:47,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:47,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:49,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:49,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-12 13:06:49,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:06:49,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3347 [2020-10-12 13:06:49,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-12 13:06:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 13:06:49,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:49,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:49,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:49,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:49,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:49,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:49,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:06:49,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:49,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:49,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:49,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:50,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:06:50,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:50,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 13:06:50,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 13:06:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 13:06:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:50,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:50,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:06:50,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:50,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-12 13:06:50,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:06:50,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 80 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:06:50,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670213544] [2020-10-12 13:06:50,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:50,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:06:50,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622429099] [2020-10-12 13:06:50,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:50,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:50,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:50,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:50,376 INFO L87 Difference]: Start difference. First operand 1635 states and 1968 transitions. Second operand 7 states. [2020-10-12 13:06:51,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:51,977 INFO L93 Difference]: Finished difference Result 3733 states and 4624 transitions. [2020-10-12 13:06:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:06:51,977 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-10-12 13:06:51,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:51,990 INFO L225 Difference]: With dead ends: 3733 [2020-10-12 13:06:51,991 INFO L226 Difference]: Without dead ends: 2104 [2020-10-12 13:06:51,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:06:51,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2020-10-12 13:06:52,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 1943. [2020-10-12 13:06:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1943 states. [2020-10-12 13:06:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1943 states and 2332 transitions. [2020-10-12 13:06:52,064 INFO L78 Accepts]: Start accepts. Automaton has 1943 states and 2332 transitions. Word has length 182 [2020-10-12 13:06:52,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:52,065 INFO L479 AbstractCegarLoop]: Abstraction has 1943 states and 2332 transitions. [2020-10-12 13:06:52,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2332 transitions. [2020-10-12 13:06:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-12 13:06:52,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:52,070 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:52,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:06:52,070 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:52,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:52,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1688919799, now seen corresponding path program 1 times [2020-10-12 13:06:52,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:52,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1045564417] [2020-10-12 13:06:52,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:52,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:52,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:53,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:53,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-12 13:06:53,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:53,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1584 [2020-10-12 13:06:53,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:53,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:53,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:53,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 13:06:53,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:06:53,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:53,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:53,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:53,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:53,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:53,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 13:06:53,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:53,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:53,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:53,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:53,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:53,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:53,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:53,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:53,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:06:53,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:53,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 13:06:53,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:53,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:53,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:53,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:06:53,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:53,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 13:06:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:53,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:53,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:53,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 13:06:53,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:53,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 13:06:53,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 13:06:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:54,057 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:06:54,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1045564417] [2020-10-12 13:06:54,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:54,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:06:54,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699744964] [2020-10-12 13:06:54,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:54,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:54,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:54,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:54,061 INFO L87 Difference]: Start difference. First operand 1943 states and 2332 transitions. Second operand 7 states. [2020-10-12 13:06:55,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:55,342 INFO L93 Difference]: Finished difference Result 4051 states and 4869 transitions. [2020-10-12 13:06:55,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:06:55,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-10-12 13:06:55,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:55,357 INFO L225 Difference]: With dead ends: 4051 [2020-10-12 13:06:55,358 INFO L226 Difference]: Without dead ends: 2114 [2020-10-12 13:06:55,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:06:55,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2020-10-12 13:06:55,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 1953. [2020-10-12 13:06:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1953 states. [2020-10-12 13:06:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2328 transitions. [2020-10-12 13:06:55,427 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2328 transitions. Word has length 190 [2020-10-12 13:06:55,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:55,427 INFO L479 AbstractCegarLoop]: Abstraction has 1953 states and 2328 transitions. [2020-10-12 13:06:55,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2328 transitions. [2020-10-12 13:06:55,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-12 13:06:55,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:55,432 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:55,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:06:55,433 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:55,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:55,433 INFO L82 PathProgramCache]: Analyzing trace with hash -648380878, now seen corresponding path program 1 times [2020-10-12 13:06:55,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:55,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457641578] [2020-10-12 13:06:55,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:55,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:55,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:55,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:56,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:56,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-12 13:06:56,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:56,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1090 [2020-10-12 13:06:56,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:56,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:56,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-10-12 13:06:56,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 13:06:56,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:56,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:56,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:56,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:56,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:56,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:56,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:56,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:56,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:56,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:56,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:56,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:56,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:56,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:56,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:56,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:06:56,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:56,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 13:06:56,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:56,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:56,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:06:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:56,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:56,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:56,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 13:06:56,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:56,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-12 13:06:56,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 13:06:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-12 13:06:56,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457641578] [2020-10-12 13:06:56,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:56,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:56,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224167420] [2020-10-12 13:06:56,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:06:56,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:56,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:06:56,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:06:56,933 INFO L87 Difference]: Start difference. First operand 1953 states and 2328 transitions. Second operand 5 states. [2020-10-12 13:06:58,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:58,098 INFO L93 Difference]: Finished difference Result 4194 states and 5139 transitions. [2020-10-12 13:06:58,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:58,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2020-10-12 13:06:58,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:58,110 INFO L225 Difference]: With dead ends: 4194 [2020-10-12 13:06:58,111 INFO L226 Difference]: Without dead ends: 2390 [2020-10-12 13:06:58,115 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 [2020-10-12 13:06:58,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2390 states. [2020-10-12 13:06:58,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2390 to 2239. [2020-10-12 13:06:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2239 states. [2020-10-12 13:06:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2645 transitions. [2020-10-12 13:06:58,176 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2645 transitions. Word has length 235 [2020-10-12 13:06:58,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:58,176 INFO L479 AbstractCegarLoop]: Abstraction has 2239 states and 2645 transitions. [2020-10-12 13:06:58,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:06:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2645 transitions. [2020-10-12 13:06:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-12 13:06:58,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:58,182 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:58,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:06:58,182 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:58,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:58,182 INFO L82 PathProgramCache]: Analyzing trace with hash -82411926, now seen corresponding path program 1 times [2020-10-12 13:06:58,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:58,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877796883] [2020-10-12 13:06:58,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:58,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:58,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:58,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:58,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:59,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:00,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-12 13:07:00,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 13:07:00,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2447 [2020-10-12 13:07:00,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:00,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:07:00,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:07:00,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-12 13:07:00,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:00,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:00,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:00,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:00,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:00,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:00,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:00,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:00,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:07:00,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:00,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 13:07:00,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:00,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:00,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:07:00,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:00,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:07:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:00,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:00,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:07:00,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:00,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 13:07:00,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:00,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:07:00,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 13:07:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:01,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:01,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:01,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:07:01,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-12 13:07:01,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:07:01,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:01,596 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 228 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 13:07:01,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877796883] [2020-10-12 13:07:01,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:01,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:07:01,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629965189] [2020-10-12 13:07:01,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:07:01,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:01,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:07:01,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:07:01,600 INFO L87 Difference]: Start difference. First operand 2239 states and 2645 transitions. Second operand 8 states. [2020-10-12 13:07:03,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:03,382 INFO L93 Difference]: Finished difference Result 4663 states and 5627 transitions. [2020-10-12 13:07:03,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 13:07:03,383 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-10-12 13:07:03,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:03,394 INFO L225 Difference]: With dead ends: 4663 [2020-10-12 13:07:03,394 INFO L226 Difference]: Without dead ends: 2573 [2020-10-12 13:07:03,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-12 13:07:03,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2020-10-12 13:07:03,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 2547. [2020-10-12 13:07:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2547 states. [2020-10-12 13:07:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2547 states and 2991 transitions. [2020-10-12 13:07:03,463 INFO L78 Accepts]: Start accepts. Automaton has 2547 states and 2991 transitions. Word has length 239 [2020-10-12 13:07:03,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:03,463 INFO L479 AbstractCegarLoop]: Abstraction has 2547 states and 2991 transitions. [2020-10-12 13:07:03,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:07:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 2991 transitions. [2020-10-12 13:07:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-12 13:07:03,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:03,470 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:03,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:07:03,471 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:03,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:03,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1391979297, now seen corresponding path program 1 times [2020-10-12 13:07:03,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:03,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621796176] [2020-10-12 13:07:03,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:03,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:03,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:03,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:03,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:04,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:06,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:06,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-12 13:07:06,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:07:06,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3276 [2020-10-12 13:07:06,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:06,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:06,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-12 13:07:06,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 13:07:06,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:06,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:06,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:06,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:06,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:06,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:06,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:06,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:06,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:06,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:06,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:06,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:06,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:06,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:07:06,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 13:07:06,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:06,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:06,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:07:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:06,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:06,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:06,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-12 13:07:06,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:06,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 13:07:06,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:06,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 13:07:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:06,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:06,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:06,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:07:06,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 13:07:06,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 13:07:06,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:07,048 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-10-12 13:07:07,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621796176] [2020-10-12 13:07:07,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:07,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:07:07,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272141856] [2020-10-12 13:07:07,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:07:07,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:07,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:07:07,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:07:07,051 INFO L87 Difference]: Start difference. First operand 2547 states and 2991 transitions. Second operand 5 states. [2020-10-12 13:07:08,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:08,227 INFO L93 Difference]: Finished difference Result 5815 states and 7017 transitions. [2020-10-12 13:07:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:07:08,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2020-10-12 13:07:08,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:08,244 INFO L225 Difference]: With dead ends: 5815 [2020-10-12 13:07:08,244 INFO L226 Difference]: Without dead ends: 3417 [2020-10-12 13:07:08,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:07:08,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2020-10-12 13:07:08,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3272. [2020-10-12 13:07:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3272 states. [2020-10-12 13:07:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 3272 states and 3889 transitions. [2020-10-12 13:07:08,341 INFO L78 Accepts]: Start accepts. Automaton has 3272 states and 3889 transitions. Word has length 252 [2020-10-12 13:07:08,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:08,342 INFO L479 AbstractCegarLoop]: Abstraction has 3272 states and 3889 transitions. [2020-10-12 13:07:08,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:07:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 3889 transitions. [2020-10-12 13:07:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-12 13:07:08,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:08,350 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:08,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:07:08,351 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:08,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:08,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1774905107, now seen corresponding path program 1 times [2020-10-12 13:07:08,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:08,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60609455] [2020-10-12 13:07:08,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:08,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:08,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:09,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:09,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-12 13:07:09,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:09,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1374 [2020-10-12 13:07:09,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:09,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:09,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-12 13:07:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 13:07:09,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:09,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:09,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:09,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:09,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:09,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:09,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:07:09,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:09,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:09,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:09,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:09,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:09,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:09,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:09,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:09,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:07:09,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:09,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 13:07:09,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:09,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:09,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:07:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:09,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:09,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:07:09,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 13:07:09,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:09,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:07:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:09,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:10,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:10,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 13:07:10,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:10,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-12 13:07:10,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 13:07:10,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2020-10-12 13:07:10,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60609455] [2020-10-12 13:07:10,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:10,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:07:10,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078507310] [2020-10-12 13:07:10,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:07:10,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:10,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:07:10,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:07:10,128 INFO L87 Difference]: Start difference. First operand 3272 states and 3889 transitions. Second operand 5 states. [2020-10-12 13:07:11,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:11,343 INFO L93 Difference]: Finished difference Result 7398 states and 8871 transitions. [2020-10-12 13:07:11,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:07:11,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-10-12 13:07:11,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:11,360 INFO L225 Difference]: With dead ends: 7398 [2020-10-12 13:07:11,360 INFO L226 Difference]: Without dead ends: 3258 [2020-10-12 13:07:11,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:07:11,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3258 states. [2020-10-12 13:07:11,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3258 to 3258. [2020-10-12 13:07:11,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3258 states. [2020-10-12 13:07:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 3258 states and 3835 transitions. [2020-10-12 13:07:11,437 INFO L78 Accepts]: Start accepts. Automaton has 3258 states and 3835 transitions. Word has length 260 [2020-10-12 13:07:11,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:11,438 INFO L479 AbstractCegarLoop]: Abstraction has 3258 states and 3835 transitions. [2020-10-12 13:07:11,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:07:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3258 states and 3835 transitions. [2020-10-12 13:07:11,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-10-12 13:07:11,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:11,449 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:11,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 13:07:11,449 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:11,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:11,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1923548398, now seen corresponding path program 1 times [2020-10-12 13:07:11,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:11,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945159143] [2020-10-12 13:07:11,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:11,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:11,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:11,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-10-12 13:07:11,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-10-12 13:07:11,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:07:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 13:07:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:11,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:11,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:11,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:11,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:11,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:11,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:11,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:11,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:11,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:11,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:11,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:11,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:11,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:11,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:11,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:07:11,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 13:07:11,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:07:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:11,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:07:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:11,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:12,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:12,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 13:07:12,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 13:07:12,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 13:07:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:12,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 13:07:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:12,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:12,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:12,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 13:07:12,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:12,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 13:07:12,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:12,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:12,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:07:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:12,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 95 proven. 95 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-12 13:07:12,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945159143] [2020-10-12 13:07:12,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:12,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:07:12,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147313397] [2020-10-12 13:07:12,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:07:12,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:12,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:07:12,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:07:12,261 INFO L87 Difference]: Start difference. First operand 3258 states and 3835 transitions. Second operand 8 states. [2020-10-12 13:07:14,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:14,195 INFO L93 Difference]: Finished difference Result 6514 states and 7677 transitions. [2020-10-12 13:07:14,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:07:14,196 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 323 [2020-10-12 13:07:14,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:14,210 INFO L225 Difference]: With dead ends: 6514 [2020-10-12 13:07:14,211 INFO L226 Difference]: Without dead ends: 3405 [2020-10-12 13:07:14,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-12 13:07:14,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2020-10-12 13:07:14,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3258. [2020-10-12 13:07:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3258 states. [2020-10-12 13:07:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 3258 states and 3723 transitions. [2020-10-12 13:07:14,288 INFO L78 Accepts]: Start accepts. Automaton has 3258 states and 3723 transitions. Word has length 323 [2020-10-12 13:07:14,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:14,289 INFO L479 AbstractCegarLoop]: Abstraction has 3258 states and 3723 transitions. [2020-10-12 13:07:14,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:07:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3258 states and 3723 transitions. [2020-10-12 13:07:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-12 13:07:14,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:14,299 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-12 13:07:14,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 13:07:14,300 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:14,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:14,300 INFO L82 PathProgramCache]: Analyzing trace with hash -483913619, now seen corresponding path program 1 times [2020-10-12 13:07:14,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:14,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806126436] [2020-10-12 13:07:14,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:14,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:14,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:17,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:17,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-10-12 13:07:17,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:07:17,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3411 [2020-10-12 13:07:17,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:17,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 13:07:17,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-12 13:07:17,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 13:07:17,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:17,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:17,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:17,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:17,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:17,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:17,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 13:07:17,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:17,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:17,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:17,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:17,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:17,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:17,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:17,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:17,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:07:17,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:17,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 13:07:17,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:17,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:17,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:07:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:18,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:18,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:18,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 13:07:18,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:18,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 13:07:18,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-12 13:07:18,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:18,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 13:07:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:18,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:18,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:18,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:18,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 13:07:18,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:18,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-10-12 13:07:18,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:18,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 13:07:18,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:18,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-12 13:07:18,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-12 13:07:19,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806126436] [2020-10-12 13:07:19,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:19,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 13:07:19,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377054538] [2020-10-12 13:07:19,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 13:07:19,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:19,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 13:07:19,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:07:19,240 INFO L87 Difference]: Start difference. First operand 3258 states and 3723 transitions. Second operand 12 states. [2020-10-12 13:07:19,899 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-10-12 13:07:20,257 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-12 13:07:20,414 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-10-12 13:07:20,560 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2020-10-12 13:07:20,800 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-10-12 13:07:22,082 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-10-12 13:07:22,299 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-10-12 13:07:22,622 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2020-10-12 13:07:22,835 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 56 [2020-10-12 13:07:23,012 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2020-10-12 13:07:23,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:23,361 INFO L93 Difference]: Finished difference Result 6375 states and 7309 transitions. [2020-10-12 13:07:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 13:07:23,362 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 324 [2020-10-12 13:07:23,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:23,374 INFO L225 Difference]: With dead ends: 6375 [2020-10-12 13:07:23,374 INFO L226 Difference]: Without dead ends: 3232 [2020-10-12 13:07:23,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812 [2020-10-12 13:07:23,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3232 states. [2020-10-12 13:07:23,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3232 to 3226. [2020-10-12 13:07:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3226 states. [2020-10-12 13:07:23,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 3226 states and 3659 transitions. [2020-10-12 13:07:23,447 INFO L78 Accepts]: Start accepts. Automaton has 3226 states and 3659 transitions. Word has length 324 [2020-10-12 13:07:23,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:23,447 INFO L479 AbstractCegarLoop]: Abstraction has 3226 states and 3659 transitions. [2020-10-12 13:07:23,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 13:07:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 3659 transitions. [2020-10-12 13:07:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-12 13:07:23,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:23,460 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:07:23,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 13:07:23,460 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:23,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:23,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1121587701, now seen corresponding path program 1 times [2020-10-12 13:07:23,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:23,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1195654428] [2020-10-12 13:07:23,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:23,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:23,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:24,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:25,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:26,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:26,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-12 13:07:26,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:07:26,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2537 [2020-10-12 13:07:26,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:26,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 13:07:26,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:07:26,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 278 [2020-10-12 13:07:26,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:26,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:26,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:26,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:26,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:26,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:26,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:07:26,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:26,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:26,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:26,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:26,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:26,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:26,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:07:26,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:26,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 13:07:26,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:07:26,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:26,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:07:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:26,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:26,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:26,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-12 13:07:26,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:26,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-12 13:07:26,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-12 13:07:26,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:26,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-12 13:07:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:26,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:26,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:27,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:27,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 13:07:27,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:27,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 672 [2020-10-12 13:07:27,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 13:07:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-12 13:07:27,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:27,991 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2020-10-12 13:07:28,281 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 63 [2020-10-12 13:07:28,593 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2020-10-12 13:07:28,865 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-10-12 13:07:29,123 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2020-10-12 13:07:29,507 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-10-12 13:07:29,830 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2020-10-12 13:07:30,379 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-10-12 13:07:30,816 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2020-10-12 13:07:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 159 proven. 132 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 13:07:31,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1195654428] [2020-10-12 13:07:31,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:31,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 13:07:31,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139890913] [2020-10-12 13:07:31,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 13:07:31,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:31,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 13:07:31,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2020-10-12 13:07:31,961 INFO L87 Difference]: Start difference. First operand 3226 states and 3659 transitions. Second operand 18 states. [2020-10-12 13:07:32,903 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 56 [2020-10-12 13:07:33,102 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-12 13:07:33,565 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2020-10-12 13:07:33,875 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2020-10-12 13:07:34,158 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2020-10-12 13:07:34,515 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2020-10-12 13:07:34,768 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-10-12 13:07:34,995 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-10-12 13:07:35,201 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2020-10-12 13:07:35,543 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 75 [2020-10-12 13:07:36,090 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 74 [2020-10-12 13:07:36,377 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-10-12 13:07:36,749 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 84 [2020-10-12 13:07:37,007 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2020-10-12 13:07:37,294 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2020-10-12 13:07:37,582 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2020-10-12 13:07:37,782 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 37 [2020-10-12 13:07:38,008 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2020-10-12 13:07:38,352 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2020-10-12 13:07:38,520 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-10-12 13:07:38,731 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2020-10-12 13:07:38,926 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-10-12 13:07:39,135 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 68 [2020-10-12 13:07:39,374 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2020-10-12 13:07:39,682 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-10-12 13:07:39,977 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-10-12 13:07:40,228 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-10-12 13:07:40,524 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2020-10-12 13:07:40,965 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2020-10-12 13:07:41,316 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2020-10-12 13:07:41,513 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2020-10-12 13:07:41,811 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2020-10-12 13:07:42,072 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 61 [2020-10-12 13:07:42,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:42,337 INFO L93 Difference]: Finished difference Result 6621 states and 7580 transitions. [2020-10-12 13:07:42,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-12 13:07:42,340 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 360 [2020-10-12 13:07:42,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:42,350 INFO L225 Difference]: With dead ends: 6621 [2020-10-12 13:07:42,350 INFO L226 Difference]: Without dead ends: 3534 [2020-10-12 13:07:42,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=770, Invalid=2200, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 13:07:42,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3534 states. [2020-10-12 13:07:42,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3534 to 3368. [2020-10-12 13:07:42,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3368 states. [2020-10-12 13:07:42,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 3819 transitions. [2020-10-12 13:07:42,435 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 3819 transitions. Word has length 360 [2020-10-12 13:07:42,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:42,435 INFO L479 AbstractCegarLoop]: Abstraction has 3368 states and 3819 transitions. [2020-10-12 13:07:42,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 13:07:42,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 3819 transitions. [2020-10-12 13:07:42,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2020-10-12 13:07:42,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:42,451 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:07:42,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 13:07:42,452 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:42,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:42,452 INFO L82 PathProgramCache]: Analyzing trace with hash 145809886, now seen corresponding path program 1 times [2020-10-12 13:07:42,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:42,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757051647] [2020-10-12 13:07:42,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:42,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:42,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:43,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:43,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:44,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:44,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 391 [2020-10-12 13:07:44,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:07:44,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2363 [2020-10-12 13:07:44,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:07:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-10-12 13:07:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 13:07:44,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:44,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:44,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:44,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:44,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:44,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:44,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:44,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:44,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:44,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:44,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:44,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:44,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:44,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:44,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:44,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:07:44,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 13:07:44,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:44,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:45,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:07:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:45,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:45,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:45,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 13:07:45,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:45,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-12 13:07:45,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 13:07:45,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:45,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-12 13:07:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:45,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:45,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:45,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:45,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 13:07:45,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:45,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-12 13:07:45,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:07:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-12 13:07:45,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 243 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-12 13:07:46,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757051647] [2020-10-12 13:07:46,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:46,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 13:07:46,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744630237] [2020-10-12 13:07:46,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 13:07:46,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:46,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 13:07:46,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:07:46,015 INFO L87 Difference]: Start difference. First operand 3368 states and 3819 transitions. Second operand 10 states. [2020-10-12 13:07:48,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:48,296 INFO L93 Difference]: Finished difference Result 6809 states and 7805 transitions. [2020-10-12 13:07:48,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 13:07:48,297 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 377 [2020-10-12 13:07:48,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:48,309 INFO L225 Difference]: With dead ends: 6809 [2020-10-12 13:07:48,309 INFO L226 Difference]: Without dead ends: 3555 [2020-10-12 13:07:48,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2020-10-12 13:07:48,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3555 states. [2020-10-12 13:07:48,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3555 to 3364. [2020-10-12 13:07:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3364 states. [2020-10-12 13:07:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3364 states and 3803 transitions. [2020-10-12 13:07:48,389 INFO L78 Accepts]: Start accepts. Automaton has 3364 states and 3803 transitions. Word has length 377 [2020-10-12 13:07:48,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:48,390 INFO L479 AbstractCegarLoop]: Abstraction has 3364 states and 3803 transitions. [2020-10-12 13:07:48,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 13:07:48,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 3803 transitions. [2020-10-12 13:07:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2020-10-12 13:07:48,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:48,400 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:07:48,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 13:07:48,401 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:48,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:48,401 INFO L82 PathProgramCache]: Analyzing trace with hash 631357806, now seen corresponding path program 1 times [2020-10-12 13:07:48,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:48,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855027719] [2020-10-12 13:07:48,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 13:07:48,479 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 13:07:48,480 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 13:07:48,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 13:07:48,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:07:48 BoogieIcfgContainer [2020-10-12 13:07:48,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:07:48,577 INFO L168 Benchmark]: Toolchain (without parser) took 77406.45 ms. Allocated memory was 143.1 MB in the beginning and 1.0 GB in the end (delta: 881.3 MB). Free memory was 105.1 MB in the beginning and 163.9 MB in the end (delta: -58.8 MB). Peak memory consumption was 822.5 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:48,577 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 124.6 MB in the beginning and 124.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-12 13:07:48,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.59 ms. Allocated memory was 143.1 MB in the beginning and 207.6 MB in the end (delta: 64.5 MB). Free memory was 104.9 MB in the beginning and 174.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:48,580 INFO L168 Benchmark]: Boogie Preprocessor took 159.07 ms. Allocated memory is still 207.6 MB. Free memory was 174.5 MB in the beginning and 169.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:48,583 INFO L168 Benchmark]: RCFGBuilder took 1426.21 ms. Allocated memory was 207.6 MB in the beginning and 233.8 MB in the end (delta: 26.2 MB). Free memory was 169.8 MB in the beginning and 172.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 77.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:48,584 INFO L168 Benchmark]: TraceAbstraction took 75027.24 ms. Allocated memory was 233.8 MB in the beginning and 1.0 GB in the end (delta: 790.6 MB). Free memory was 172.3 MB in the beginning and 163.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 799.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:48,592 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 124.6 MB in the beginning and 124.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 788.59 ms. Allocated memory was 143.1 MB in the beginning and 207.6 MB in the end (delta: 64.5 MB). Free memory was 104.9 MB in the beginning and 174.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 159.07 ms. Allocated memory is still 207.6 MB. Free memory was 174.5 MB in the beginning and 169.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1426.21 ms. Allocated memory was 207.6 MB in the beginning and 233.8 MB in the end (delta: 26.2 MB). Free memory was 169.8 MB in the beginning and 172.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 77.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 75027.24 ms. Allocated memory was 233.8 MB in the beginning and 1.0 GB in the end (delta: 790.6 MB). Free memory was 172.3 MB in the beginning and 163.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 799.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 31]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputC = 3; [L8] int inputD = 4; [L9] int inputE = 5; [L10] int inputF = 6; [L11] int inputB = 2; [L14] int a1 = 23; [L15] int a19 = 9; [L16] int a10 = 0; [L17] int a12 = 0; [L18] int a4 = 14; [L579] int output = -1; [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L430] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L436] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L442] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L448] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L454] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L460] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L465] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L471] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L476] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L481] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) [L487] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) [L493] COND FALSE !(((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0))) [L499] COND FALSE !((((a4==14) && ((a19==9) && ((input == 2) && (((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 ))))) && (a12==0))) [L504] COND FALSE !((((a4==14) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 2))) && (a12==0))) && (a10==4))) [L509] COND FALSE !(((a4==14) && (((a19==9) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 6)) && (a10==3))) && (a12==0)))) [L514] COND FALSE !((((a4==14) && ((((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a12==0))) && (a10==0))) [L517] COND FALSE !(((a12==0) && ((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 2)) && (a19==10))))) [L523] COND FALSE !((((a12==0) && ((a19==9) && ((a10==2) && ((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))))) && (a4==14))) [L526] COND TRUE ((a4==14) && ((a19==9) && ((a12==0) && (((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0))))) [L527] a1 = (((a1 * 5) + 278443) - -239546) [L528] return 26; [L590] RET, EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND TRUE (((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9)) [L336] a1 = ((((((a1 / 5) % 25)+ 13) * 5) % 25)- -12) [L337] a10 = 4 [L339] return 22; [L590] RET, EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L430] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L436] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L442] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L448] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L454] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L460] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L465] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L471] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L476] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L481] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) [L487] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) [L493] COND FALSE !(((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0))) [L499] COND FALSE !((((a4==14) && ((a19==9) && ((input == 2) && (((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 ))))) && (a12==0))) [L504] COND FALSE !((((a4==14) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 2))) && (a12==0))) && (a10==4))) [L509] COND FALSE !(((a4==14) && (((a19==9) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 6)) && (a10==3))) && (a12==0)))) [L514] COND FALSE !((((a4==14) && ((((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a12==0))) && (a10==0))) [L517] COND FALSE !(((a12==0) && ((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 2)) && (a19==10))))) [L523] COND FALSE !((((a12==0) && ((a19==9) && ((a10==2) && ((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))))) && (a4==14))) [L526] COND FALSE !(((a4==14) && ((a19==9) && ((a12==0) && (((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)))))) [L529] COND FALSE !(((a19==9) && (((a10==1) && ((a12==0) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )))) && (a4==14)))) [L534] COND FALSE !(((a19==9) && ((a4==14) && ((a10==1) && (((input == 5) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a12==0)))))) [L540] COND FALSE !(((a12==0) && (((((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a19==9)) && (a4==14)) && (a10==0)))) [L545] COND FALSE !(((a4==14) && (((a12==0) && ((a19==9) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )))) && (a10==4)))) [L548] COND FALSE !(((((( ((38 < a1) && (218 >= a1)) && (input == 3)) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10))) [L554] COND FALSE !((((a4==14) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 4)) && (a12==0)) && (a19==9))) && (a10==2))) [L557] COND FALSE !(((a12==0) && ((( 218 < a1 && ((a19==9) && (input == 5))) && (a10==1)) && (a4==14)))) [L563] COND TRUE ((a4==14) && ((((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a12==0)) && (a19==9)) && (a10==4))) [L564] a1 = (((a1 + 566454) + 1842) + 23814) [L565] a10 = 2 [L566] a19 = 8 [L568] return -1; [L590] RET, EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND TRUE (((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8)) [L31] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 74.8s, OverallIterations: 16, TraceHistogramMax: 4, AutomataDifference: 34.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 417 SDtfs, 6334 SDslu, 604 SDs, 0 SdLazy, 15010 SolverSat, 1923 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3368occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 1633 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 36.5s InterpolantComputationTime, 3606 NumberOfCodeBlocks, 3606 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3204 ConstructedInterpolants, 0 QuantifiedInterpolants, 8356250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 1928/2263 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...