/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_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:06:50,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:06:50,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:06:50,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:06:50,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:06:50,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:06:50,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:06:50,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:06:50,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:06:50,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:06:50,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:06:50,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:06:50,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:06:50,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:06:50,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:06:50,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:06:50,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:06:50,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:06:50,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:06:50,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:06:50,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:06:50,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:06:50,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:06:50,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:06:50,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:06:50,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:06:50,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:06:50,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:06:50,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:06:50,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:06:50,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:06:50,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:06:50,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:06:50,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:06:50,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:06:50,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:06:50,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:06:50,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:06:50,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:06:50,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:06:50,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:06:50,653 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 13:06:50,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:06:50,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:06:50,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:06:50,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:06:50,680 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:06:50,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:06:50,681 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:06:50,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:06:50,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:06:50,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:06:50,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:06:50,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:06:50,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:06:50,682 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:06:50,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:06:50,683 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:06:50,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:06:50,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:06:50,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:06:50,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:06:50,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:06:50,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:06:50,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:06:50,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:06:50,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:06:50,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:06:50,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:06:50,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:06:50,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:06:50,687 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 13:06:50,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:06:51,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:06:51,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:06:51,008 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:06:51,009 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:06:51,009 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label58.c [2020-10-12 13:06:51,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e63f369e4/5e9b965388fe4feb8ba834a52933ef25/FLAG31955240b [2020-10-12 13:06:51,624 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:06:51,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label58.c [2020-10-12 13:06:51,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e63f369e4/5e9b965388fe4feb8ba834a52933ef25/FLAG31955240b [2020-10-12 13:06:51,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e63f369e4/5e9b965388fe4feb8ba834a52933ef25 [2020-10-12 13:06:51,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:06:51,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:06:51,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:06:51,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:06:51,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:06:51,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:06:51" (1/1) ... [2020-10-12 13:06:51,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:51, skipping insertion in model container [2020-10-12 13:06:51,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:06:51" (1/1) ... [2020-10-12 13:06:51,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:06:51,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:06:52,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:06:52,539 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:06:52,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:06:52,679 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:06:52,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:52 WrapperNode [2020-10-12 13:06:52,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:06:52,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:06:52,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:06:52,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:06:52,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:52" (1/1) ... [2020-10-12 13:06:52,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:52" (1/1) ... [2020-10-12 13:06:52,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:52" (1/1) ... [2020-10-12 13:06:52,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:52" (1/1) ... [2020-10-12 13:06:52,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:52" (1/1) ... [2020-10-12 13:06:52,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:52" (1/1) ... [2020-10-12 13:06:52,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:52" (1/1) ... [2020-10-12 13:06:52,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:06:52,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:06:52,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:06:52,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:06:52,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:52" (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 13:06:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:06:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:06:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:06:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:06:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:06:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:06:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:06:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:06:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:06:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:06:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:06:54,104 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:06:54,104 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:06:54,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:06:54 BoogieIcfgContainer [2020-10-12 13:06:54,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:06:54,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:06:54,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:06:54,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:06:54,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:06:51" (1/3) ... [2020-10-12 13:06:54,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac59ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:06:54, skipping insertion in model container [2020-10-12 13:06:54,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:52" (2/3) ... [2020-10-12 13:06:54,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac59ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:06:54, skipping insertion in model container [2020-10-12 13:06:54,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:06:54" (3/3) ... [2020-10-12 13:06:54,130 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label58.c [2020-10-12 13:06:54,143 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:06:54,156 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:06:54,174 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:06:54,216 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:06:54,217 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:06:54,217 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:06:54,217 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:06:54,218 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:06:54,218 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:06:54,218 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:06:54,218 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:06:54,250 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-12 13:06:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-12 13:06:54,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:54,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:54,263 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:54,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:54,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1079521594, now seen corresponding path program 1 times [2020-10-12 13:06:54,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:54,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812117978] [2020-10-12 13:06:54,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:54,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:54,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:54,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 13:06:54,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:54,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-12 13:06:54,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 13:06:54,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:06:54,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:54,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:54,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:54,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:54,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:54,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 13:06:54,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:54,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:54,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:54,870 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 13:06:54,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812117978] [2020-10-12 13:06:54,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:06:54,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:06:54,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149721718] [2020-10-12 13:06:54,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:06:54,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:54,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:06:54,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:06:54,900 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-12 13:06:56,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:56,354 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-12 13:06:56,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:56,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-12 13:06:56,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:56,388 INFO L225 Difference]: With dead ends: 581 [2020-10-12 13:06:56,389 INFO L226 Difference]: Without dead ends: 302 [2020-10-12 13:06:56,401 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 13:06:56,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-12 13:06:56,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-12 13:06:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-12 13:06:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-12 13:06:56,500 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 19 [2020-10-12 13:06:56,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:56,500 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-12 13:06:56,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:06:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-12 13:06:56,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 13:06:56,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:56,506 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:56,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:06:56,506 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:56,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:56,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1999055582, now seen corresponding path program 1 times [2020-10-12 13:06:56,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:56,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498324526] [2020-10-12 13:06:56,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:56,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:57,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:57,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 13:06:57,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:57,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 726 [2020-10-12 13:06:57,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 13:06:57,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:57,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 13:06:57,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:57,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:57,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:57,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:57,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:57,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:57,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 13:06:57,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:57,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 13:06:57,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:57,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:57,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:57,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:57,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:06:57,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:57,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-12 13:06:57,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:57,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:57,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:57,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 13:06:57,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:57,666 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 13:06:57,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498324526] [2020-10-12 13:06:57,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:57,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:57,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955558775] [2020-10-12 13:06:57,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:06:57,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:57,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:06:57,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:06:57,679 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 6 states. [2020-10-12 13:06:58,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:58,948 INFO L93 Difference]: Finished difference Result 606 states and 832 transitions. [2020-10-12 13:06:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 13:06:58,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-10-12 13:06:58,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:58,959 INFO L225 Difference]: With dead ends: 606 [2020-10-12 13:06:58,960 INFO L226 Difference]: Without dead ends: 604 [2020-10-12 13:06:58,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:06:58,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2020-10-12 13:06:59,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 445. [2020-10-12 13:06:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-10-12 13:06:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 623 transitions. [2020-10-12 13:06:59,030 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 623 transitions. Word has length 89 [2020-10-12 13:06:59,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:59,031 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 623 transitions. [2020-10-12 13:06:59,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:06:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 623 transitions. [2020-10-12 13:06:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 13:06:59,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:59,036 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:59,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:06:59,038 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:59,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:59,038 INFO L82 PathProgramCache]: Analyzing trace with hash 628433789, now seen corresponding path program 1 times [2020-10-12 13:06:59,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:59,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235152533] [2020-10-12 13:06:59,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:59,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:59,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:59,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:59,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:59,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 13:06:59,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:59,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 778 [2020-10-12 13:06:59,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:59,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:59,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:59,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:06:59,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:59,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:59,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:59,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:59,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:59,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:59,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:06:59,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:59,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:59,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:59,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:59,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:00,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:00,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:07:00,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:00,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-12 13:07:00,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:00,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:00,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:00,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:07:00,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:07:00,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235152533] [2020-10-12 13:07:00,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:07:00,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:07:00,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043219710] [2020-10-12 13:07:00,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:07:00,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:00,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:07:00,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:07:00,146 INFO L87 Difference]: Start difference. First operand 445 states and 623 transitions. Second operand 7 states. [2020-10-12 13:07:01,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:01,697 INFO L93 Difference]: Finished difference Result 1236 states and 1851 transitions. [2020-10-12 13:07:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:07:01,698 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-12 13:07:01,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:01,712 INFO L225 Difference]: With dead ends: 1236 [2020-10-12 13:07:01,712 INFO L226 Difference]: Without dead ends: 797 [2020-10-12 13:07:01,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:07:01,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2020-10-12 13:07:01,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 743. [2020-10-12 13:07:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-10-12 13:07:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1002 transitions. [2020-10-12 13:07:01,788 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1002 transitions. Word has length 92 [2020-10-12 13:07:01,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:01,789 INFO L479 AbstractCegarLoop]: Abstraction has 743 states and 1002 transitions. [2020-10-12 13:07:01,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:07:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1002 transitions. [2020-10-12 13:07:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-12 13:07:01,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:01,800 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:01,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:07:01,801 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:01,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:01,801 INFO L82 PathProgramCache]: Analyzing trace with hash -921580439, now seen corresponding path program 1 times [2020-10-12 13:07:01,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:01,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1195186133] [2020-10-12 13:07:01,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:01,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:02,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:02,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 13:07:02,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-12 13:07:02,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:07:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 13:07:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:02,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:02,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:02,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:02,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:02,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:02,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:02,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:02,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:02,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:02,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:02,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:02,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:07:02,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:02,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 13:07:02,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:07:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:07:02,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1195186133] [2020-10-12 13:07:02,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:02,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:07:02,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609281172] [2020-10-12 13:07:02,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:07:02,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:02,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:07:02,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:07:02,255 INFO L87 Difference]: Start difference. First operand 743 states and 1002 transitions. Second operand 5 states. [2020-10-12 13:07:05,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:05,705 INFO L93 Difference]: Finished difference Result 1780 states and 2476 transitions. [2020-10-12 13:07:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:07:05,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-10-12 13:07:05,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:05,718 INFO L225 Difference]: With dead ends: 1780 [2020-10-12 13:07:05,718 INFO L226 Difference]: Without dead ends: 1043 [2020-10-12 13:07:05,721 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 13:07:05,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2020-10-12 13:07:05,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 894. [2020-10-12 13:07:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-12 13:07:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1140 transitions. [2020-10-12 13:07:05,756 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1140 transitions. Word has length 98 [2020-10-12 13:07:05,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:05,757 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1140 transitions. [2020-10-12 13:07:05,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:07:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1140 transitions. [2020-10-12 13:07:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 13:07:05,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:05,762 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:05,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:07:05,763 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:05,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:05,763 INFO L82 PathProgramCache]: Analyzing trace with hash -431069894, now seen corresponding path program 1 times [2020-10-12 13:07:05,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:05,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276114638] [2020-10-12 13:07:05,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:05,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:05,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:06,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:06,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:06,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:06,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-12 13:07:06,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:07:06,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1050 [2020-10-12 13:07:06,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:06,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:06,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-12 13:07:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 13:07:06,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:06,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:06,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:06,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:06,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:06,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:06,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:06,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:06,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:06,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:06,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:06,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:06,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:06,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:06,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:06,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:07:06,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:06,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 13:07:06,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:06,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:06,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:06,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:06,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:07:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:06,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:07,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:07,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:07:07,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 13:07:07,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:07,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 13:07:07,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-12 13:07:07,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276114638] [2020-10-12 13:07:07,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:07,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:07:07,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467298954] [2020-10-12 13:07:07,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:07:07,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:07,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:07:07,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:07:07,101 INFO L87 Difference]: Start difference. First operand 894 states and 1140 transitions. Second operand 5 states. [2020-10-12 13:07:08,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:08,388 INFO L93 Difference]: Finished difference Result 2082 states and 2760 transitions. [2020-10-12 13:07:08,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:07:08,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2020-10-12 13:07:08,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:08,400 INFO L225 Difference]: With dead ends: 2082 [2020-10-12 13:07:08,400 INFO L226 Difference]: Without dead ends: 1194 [2020-10-12 13:07:08,403 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 13:07:08,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-10-12 13:07:08,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1188. [2020-10-12 13:07:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1188 states. [2020-10-12 13:07:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1558 transitions. [2020-10-12 13:07:08,451 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1558 transitions. Word has length 171 [2020-10-12 13:07:08,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:08,452 INFO L479 AbstractCegarLoop]: Abstraction has 1188 states and 1558 transitions. [2020-10-12 13:07:08,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:07:08,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1558 transitions. [2020-10-12 13:07:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-12 13:07:08,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:08,456 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:07:08,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:07:08,457 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:08,457 INFO L82 PathProgramCache]: Analyzing trace with hash 118235465, now seen corresponding path program 1 times [2020-10-12 13:07:08,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:08,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960702947] [2020-10-12 13:07:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:08,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:08,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:09,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:10,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:10,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 13:07:10,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:07:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2093 [2020-10-12 13:07:10,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:07:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:07:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 13:07:10,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:10,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:10,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:10,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:10,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:10,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:10,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:07:10,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:07:10,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:10,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:10,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:10,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:10,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:07:10,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:10,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-12 13:07:10,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:10,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:10,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:07:10,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:10,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 13:07:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:10,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:10,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:10,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:07:10,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:10,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 13:07:10,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:10,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:10,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-12 13:07:10,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:10,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 24 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:07:10,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960702947] [2020-10-12 13:07:10,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:10,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:07:10,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843620511] [2020-10-12 13:07:10,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:07:10,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:10,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:07:10,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:07:10,941 INFO L87 Difference]: Start difference. First operand 1188 states and 1558 transitions. Second operand 7 states. [2020-10-12 13:07:12,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:12,279 INFO L93 Difference]: Finished difference Result 2545 states and 3334 transitions. [2020-10-12 13:07:12,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:07:12,280 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 186 [2020-10-12 13:07:12,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:12,287 INFO L225 Difference]: With dead ends: 2545 [2020-10-12 13:07:12,288 INFO L226 Difference]: Without dead ends: 1363 [2020-10-12 13:07:12,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 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 13:07:12,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-10-12 13:07:12,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1351. [2020-10-12 13:07:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-10-12 13:07:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1746 transitions. [2020-10-12 13:07:12,333 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1746 transitions. Word has length 186 [2020-10-12 13:07:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:12,334 INFO L479 AbstractCegarLoop]: Abstraction has 1351 states and 1746 transitions. [2020-10-12 13:07:12,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:07:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1746 transitions. [2020-10-12 13:07:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-12 13:07:12,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:12,339 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:07:12,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:07:12,339 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:12,340 INFO L82 PathProgramCache]: Analyzing trace with hash -243201182, now seen corresponding path program 1 times [2020-10-12 13:07:12,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:12,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574044110] [2020-10-12 13:07:12,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:12,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:12,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:12,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:13,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:13,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:13,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-12 13:07:13,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:07:13,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1458 [2020-10-12 13:07:13,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:13,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:13,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-12 13:07:13,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 13:07:13,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:13,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:13,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:13,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:13,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:13,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:13,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 13:07:13,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:13,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:13,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:13,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:13,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:13,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:13,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:07:13,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:13,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 13:07:13,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:13,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:07:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:14,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:14,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:14,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 13:07:14,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:14,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-12 13:07:14,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:14,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:14,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:14,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-12 13:07:14,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-12 13:07:14,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574044110] [2020-10-12 13:07:14,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:14,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:07:14,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106326578] [2020-10-12 13:07:14,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:07:14,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:14,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:07:14,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:07:14,292 INFO L87 Difference]: Start difference. First operand 1351 states and 1746 transitions. Second operand 6 states. [2020-10-12 13:07:15,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:15,267 INFO L93 Difference]: Finished difference Result 2567 states and 3381 transitions. [2020-10-12 13:07:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:07:15,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 223 [2020-10-12 13:07:15,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:15,277 INFO L225 Difference]: With dead ends: 2567 [2020-10-12 13:07:15,278 INFO L226 Difference]: Without dead ends: 1353 [2020-10-12 13:07:15,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:07:15,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-10-12 13:07:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1351. [2020-10-12 13:07:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-10-12 13:07:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1743 transitions. [2020-10-12 13:07:15,325 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1743 transitions. Word has length 223 [2020-10-12 13:07:15,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:15,326 INFO L479 AbstractCegarLoop]: Abstraction has 1351 states and 1743 transitions. [2020-10-12 13:07:15,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:07:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1743 transitions. [2020-10-12 13:07:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-12 13:07:15,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:15,331 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:07:15,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:07:15,331 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:15,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:15,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1762712122, now seen corresponding path program 1 times [2020-10-12 13:07:15,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:15,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448045596] [2020-10-12 13:07:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:15,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:15,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:15,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:16,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:16,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:16,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 13:07:16,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:07:16,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1243 [2020-10-12 13:07:16,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:16,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:16,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:07:16,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 13:07:16,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:16,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:16,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:16,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:16,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:16,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:16,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:07:16,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:16,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:16,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:16,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:16,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:16,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:16,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:16,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:16,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:07:16,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:16,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 13:07:16,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:16,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:16,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:16,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:07:16,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:16,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:07:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:16,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:17,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:17,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 13:07:17,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-12 13:07:17,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-12 13:07:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:07:17,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448045596] [2020-10-12 13:07:17,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:17,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:07:17,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749878273] [2020-10-12 13:07:17,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:07:17,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:17,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:07:17,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:07:17,204 INFO L87 Difference]: Start difference. First operand 1351 states and 1743 transitions. Second operand 7 states. [2020-10-12 13:07:18,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:18,848 INFO L93 Difference]: Finished difference Result 2859 states and 3764 transitions. [2020-10-12 13:07:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:07:18,855 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2020-10-12 13:07:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:18,861 INFO L225 Difference]: With dead ends: 2859 [2020-10-12 13:07:18,861 INFO L226 Difference]: Without dead ends: 1212 [2020-10-12 13:07:18,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:07:18,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2020-10-12 13:07:18,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1188. [2020-10-12 13:07:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1188 states. [2020-10-12 13:07:18,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1361 transitions. [2020-10-12 13:07:18,899 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1361 transitions. Word has length 225 [2020-10-12 13:07:18,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:18,900 INFO L479 AbstractCegarLoop]: Abstraction has 1188 states and 1361 transitions. [2020-10-12 13:07:18,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:07:18,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1361 transitions. [2020-10-12 13:07:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-12 13:07:18,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:18,904 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:07:18,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:07:18,905 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:18,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:18,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1857799575, now seen corresponding path program 1 times [2020-10-12 13:07:18,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:18,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607416180] [2020-10-12 13:07:18,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:18,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:19,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:19,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:19,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-12 13:07:19,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:19,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 930 [2020-10-12 13:07:19,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 13:07:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:07:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-12 13:07:19,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:20,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:20,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:20,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:20,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:20,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:20,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:20,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:20,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:20,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:20,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:20,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:20,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:20,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:20,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:07:20,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:20,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 13:07:20,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:20,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:20,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:20,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:07:20,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:20,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:07:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:20,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:20,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:20,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:20,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 13:07:20,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 555 [2020-10-12 13:07:20,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 13:07:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 13:07:20,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:21,314 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-10-12 13:07:21,580 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-12 13:07:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:07:22,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607416180] [2020-10-12 13:07:22,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:22,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 13:07:22,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406708139] [2020-10-12 13:07:22,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 13:07:22,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:22,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 13:07:22,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:07:22,505 INFO L87 Difference]: Start difference. First operand 1188 states and 1361 transitions. Second operand 12 states. [2020-10-12 13:07:23,173 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2020-10-12 13:07:23,350 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-10-12 13:07:24,182 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2020-10-12 13:07:24,605 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2020-10-12 13:07:24,811 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2020-10-12 13:07:25,073 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-10-12 13:07:25,270 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2020-10-12 13:07:25,930 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-10-12 13:07:26,326 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-12 13:07:26,665 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2020-10-12 13:07:26,986 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2020-10-12 13:07:27,396 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2020-10-12 13:07:27,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:27,543 INFO L93 Difference]: Finished difference Result 2396 states and 2782 transitions. [2020-10-12 13:07:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 13:07:27,544 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 230 [2020-10-12 13:07:27,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:27,550 INFO L225 Difference]: With dead ends: 2396 [2020-10-12 13:07:27,550 INFO L226 Difference]: Without dead ends: 1352 [2020-10-12 13:07:27,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=245, Invalid=685, Unknown=0, NotChecked=0, Total=930 [2020-10-12 13:07:27,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2020-10-12 13:07:27,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1336. [2020-10-12 13:07:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1336 states. [2020-10-12 13:07:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1518 transitions. [2020-10-12 13:07:27,585 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1518 transitions. Word has length 230 [2020-10-12 13:07:27,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:27,585 INFO L479 AbstractCegarLoop]: Abstraction has 1336 states and 1518 transitions. [2020-10-12 13:07:27,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 13:07:27,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1518 transitions. [2020-10-12 13:07:27,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-12 13:07:27,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:27,591 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:07:27,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:07:27,592 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:27,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:27,592 INFO L82 PathProgramCache]: Analyzing trace with hash -836157958, now seen corresponding path program 1 times [2020-10-12 13:07:27,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:27,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320859776] [2020-10-12 13:07:27,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:27,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:28,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:28,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-12 13:07:28,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:28,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 598 [2020-10-12 13:07:28,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:07:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-12 13:07:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-12 13:07:28,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:28,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:28,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:28,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:28,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:28,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:28,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:28,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:28,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:28,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:28,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:28,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:28,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:28,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:28,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:28,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:07:28,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 13:07:28,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 13:07:28,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:28,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:07:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:28,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:28,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:28,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 13:07:28,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:28,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-12 13:07:28,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:07:28,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:28,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 13:07:28,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 126 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:07:28,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320859776] [2020-10-12 13:07:28,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:28,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:07:28,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529060958] [2020-10-12 13:07:28,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:07:28,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:28,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:07:28,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:07:28,997 INFO L87 Difference]: Start difference. First operand 1336 states and 1518 transitions. Second operand 8 states. [2020-10-12 13:07:31,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:31,829 INFO L93 Difference]: Finished difference Result 4433 states and 5176 transitions. [2020-10-12 13:07:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:07:31,829 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 275 [2020-10-12 13:07:31,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:31,845 INFO L225 Difference]: With dead ends: 4433 [2020-10-12 13:07:31,846 INFO L226 Difference]: Without dead ends: 3101 [2020-10-12 13:07:31,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:07:31,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2020-10-12 13:07:31,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 2671. [2020-10-12 13:07:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2671 states. [2020-10-12 13:07:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 3102 transitions. [2020-10-12 13:07:31,928 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 3102 transitions. Word has length 275 [2020-10-12 13:07:31,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:31,928 INFO L479 AbstractCegarLoop]: Abstraction has 2671 states and 3102 transitions. [2020-10-12 13:07:31,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:07:31,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3102 transitions. [2020-10-12 13:07:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-12 13:07:31,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:31,936 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:31,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:07:31,936 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:31,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:31,937 INFO L82 PathProgramCache]: Analyzing trace with hash 773745598, now seen corresponding path program 1 times [2020-10-12 13:07:31,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:31,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100573858] [2020-10-12 13:07:31,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:32,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:32,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:34,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:34,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-12 13:07:34,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:07:34,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2044 [2020-10-12 13:07:34,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:34,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:07:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-12 13:07:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 13:07:34,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:34,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:34,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:34,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:34,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:34,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:34,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:07:34,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:34,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:34,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:34,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:34,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:34,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:34,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:34,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:34,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:07:34,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:34,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 13:07:34,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:34,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:34,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:34,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:07:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:34,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:34,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:34,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:07:34,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-12 13:07:34,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:34,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:34,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 13:07:34,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:34,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-12 13:07:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:34,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:34,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:34,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:34,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:07:34,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-12 13:07:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:07:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 195 proven. 5 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-12 13:07:34,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100573858] [2020-10-12 13:07:34,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:34,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:07:34,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457946531] [2020-10-12 13:07:34,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:07:34,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:34,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:07:34,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:07:34,931 INFO L87 Difference]: Start difference. First operand 2671 states and 3102 transitions. Second operand 6 states. [2020-10-12 13:07:36,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:36,307 INFO L93 Difference]: Finished difference Result 5811 states and 6954 transitions. [2020-10-12 13:07:36,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 13:07:36,308 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 301 [2020-10-12 13:07:36,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:36,323 INFO L225 Difference]: With dead ends: 5811 [2020-10-12 13:07:36,324 INFO L226 Difference]: Without dead ends: 3144 [2020-10-12 13:07:36,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:07:36,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3144 states. [2020-10-12 13:07:36,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3144 to 3106. [2020-10-12 13:07:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3106 states. [2020-10-12 13:07:36,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 3610 transitions. [2020-10-12 13:07:36,424 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 3610 transitions. Word has length 301 [2020-10-12 13:07:36,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:36,425 INFO L479 AbstractCegarLoop]: Abstraction has 3106 states and 3610 transitions. [2020-10-12 13:07:36,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:07:36,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 3610 transitions. [2020-10-12 13:07:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-12 13:07:36,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:36,432 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:07:36,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 13:07:36,433 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:36,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:36,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1229487950, now seen corresponding path program 1 times [2020-10-12 13:07:36,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:36,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834265401] [2020-10-12 13:07:36,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:36,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:36,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:37,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:38,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:38,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-12 13:07:38,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:07:38,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1527 [2020-10-12 13:07:38,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:07:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-10-12 13:07:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 13:07:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:38,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:38,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:38,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:38,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:38,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:38,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 13:07:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:38,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:38,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:38,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:38,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:07:38,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:38,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 13:07:38,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:38,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:38,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:07:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:38,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:38,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:38,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-12 13:07:38,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:38,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 13:07:38,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:38,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:38,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:38,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-12 13:07:38,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:38,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 13:07:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:38,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:38,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:38,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:38,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:07:38,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-12 13:07:38,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:07:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 197 proven. 13 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-12 13:07:38,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834265401] [2020-10-12 13:07:38,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:38,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:07:38,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519109887] [2020-10-12 13:07:38,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:07:38,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:38,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:07:38,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:07:38,645 INFO L87 Difference]: Start difference. First operand 3106 states and 3610 transitions. Second operand 6 states. [2020-10-12 13:07:40,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:40,278 INFO L93 Difference]: Finished difference Result 7361 states and 8570 transitions. [2020-10-12 13:07:40,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 13:07:40,279 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 311 [2020-10-12 13:07:40,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:40,297 INFO L225 Difference]: With dead ends: 7361 [2020-10-12 13:07:40,297 INFO L226 Difference]: Without dead ends: 4404 [2020-10-12 13:07:40,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 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 13:07:40,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2020-10-12 13:07:40,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 4264. [2020-10-12 13:07:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4264 states. [2020-10-12 13:07:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 4264 states and 4908 transitions. [2020-10-12 13:07:40,405 INFO L78 Accepts]: Start accepts. Automaton has 4264 states and 4908 transitions. Word has length 311 [2020-10-12 13:07:40,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:40,406 INFO L479 AbstractCegarLoop]: Abstraction has 4264 states and 4908 transitions. [2020-10-12 13:07:40,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:07:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4264 states and 4908 transitions. [2020-10-12 13:07:40,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-12 13:07:40,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:40,415 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:40,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 13:07:40,415 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:40,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:40,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1009147237, now seen corresponding path program 1 times [2020-10-12 13:07:40,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:40,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310336655] [2020-10-12 13:07:40,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:40,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:40,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:41,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:42,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:42,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-12 13:07:42,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:07:42,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2048 [2020-10-12 13:07:42,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:42,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:07:42,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-12 13:07:42,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 13:07:42,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:42,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:42,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:42,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:42,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:42,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:42,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:42,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:42,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:42,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:42,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:42,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:07:42,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:42,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 13:07:42,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:42,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:42,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:07:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:42,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:42,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:42,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 13:07:42,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:42,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 13:07:42,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:07:42,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:42,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 13:07:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:42,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:42,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:42,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:42,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:07:42,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:42,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-12 13:07:42,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:42,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:42,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:42,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 13:07:42,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 200 proven. 13 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-12 13:07:43,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310336655] [2020-10-12 13:07:43,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:43,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:07:43,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13810679] [2020-10-12 13:07:43,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:07:43,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:43,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:07:43,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:07:43,105 INFO L87 Difference]: Start difference. First operand 4264 states and 4908 transitions. Second operand 6 states. [2020-10-12 13:07:44,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:44,364 INFO L93 Difference]: Finished difference Result 9390 states and 10944 transitions. [2020-10-12 13:07:44,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 13:07:44,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 320 [2020-10-12 13:07:44,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:44,388 INFO L225 Difference]: With dead ends: 9390 [2020-10-12 13:07:44,388 INFO L226 Difference]: Without dead ends: 5275 [2020-10-12 13:07:44,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 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 13:07:44,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5275 states. [2020-10-12 13:07:44,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5275 to 5128. [2020-10-12 13:07:44,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5128 states. [2020-10-12 13:07:44,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 5967 transitions. [2020-10-12 13:07:44,503 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 5967 transitions. Word has length 320 [2020-10-12 13:07:44,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:44,504 INFO L479 AbstractCegarLoop]: Abstraction has 5128 states and 5967 transitions. [2020-10-12 13:07:44,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:07:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 5967 transitions. [2020-10-12 13:07:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-12 13:07:44,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:44,514 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 13:07:44,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 13:07:44,514 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:44,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:44,515 INFO L82 PathProgramCache]: Analyzing trace with hash -985486082, now seen corresponding path program 1 times [2020-10-12 13:07:44,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:44,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602997134] [2020-10-12 13:07:44,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:44,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:44,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:45,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:45,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-12 13:07:45,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:07:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-10-12 13:07:45,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:45,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 328 [2020-10-12 13:07:45,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 13:07:45,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:07:45,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:45,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:45,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:45,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:45,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:07:45,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:45,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:45,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:45,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:45,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:45,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:07:45,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:45,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 13:07:45,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:45,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:45,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:07:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:45,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:45,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:45,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:07:45,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:45,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 13:07:45,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:45,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:45,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 13:07:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:45,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:45,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:45,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 13:07:45,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-12 13:07:45,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-12 13:07:45,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:07:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-12 13:07:45,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602997134] [2020-10-12 13:07:45,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:45,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:07:45,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838888085] [2020-10-12 13:07:45,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:07:45,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:45,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:07:45,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:07:45,600 INFO L87 Difference]: Start difference. First operand 5128 states and 5967 transitions. Second operand 5 states. [2020-10-12 13:07:46,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:46,770 INFO L93 Difference]: Finished difference Result 10685 states and 12455 transitions. [2020-10-12 13:07:46,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:07:46,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 333 [2020-10-12 13:07:46,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:46,793 INFO L225 Difference]: With dead ends: 10685 [2020-10-12 13:07:46,794 INFO L226 Difference]: Without dead ends: 5561 [2020-10-12 13:07:46,804 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 13:07:46,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2020-10-12 13:07:46,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 5559. [2020-10-12 13:07:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5559 states. [2020-10-12 13:07:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5559 states to 5559 states and 6476 transitions. [2020-10-12 13:07:46,920 INFO L78 Accepts]: Start accepts. Automaton has 5559 states and 6476 transitions. Word has length 333 [2020-10-12 13:07:46,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:46,920 INFO L479 AbstractCegarLoop]: Abstraction has 5559 states and 6476 transitions. [2020-10-12 13:07:46,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:07:46,921 INFO L276 IsEmpty]: Start isEmpty. Operand 5559 states and 6476 transitions. [2020-10-12 13:07:46,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-12 13:07:46,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:46,931 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:07:46,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 13:07:46,932 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:46,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:46,932 INFO L82 PathProgramCache]: Analyzing trace with hash 671143510, now seen corresponding path program 1 times [2020-10-12 13:07:46,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:46,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748103673] [2020-10-12 13:07:46,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:47,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:47,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-10-12 13:07:47,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-12 13:07:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-12 13:07:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 13:07:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:47,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:07:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:47,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:47,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:47,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:07:47,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:47,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:07:47,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:47,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:47,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:47,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:47,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:47,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:07:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:47,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:47,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:47,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:07:47,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 13:07:47,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:07:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:07:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 13:07:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:47,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:07:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:47,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:47,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:47,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-12 13:07:47,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:47,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-12 13:07:47,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:47,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:07:47,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:07:47,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-12 13:07:47,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:47,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-12 13:07:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:07:47,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:07:47,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:07:47,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 13:07:47,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:07:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 13:07:47,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:07:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:07:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-12 13:07:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:07:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:07:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 152 proven. 89 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-12 13:07:47,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748103673] [2020-10-12 13:07:47,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:07:47,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:07:47,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947207528] [2020-10-12 13:07:47,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:07:47,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:07:47,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:07:47,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:07:47,790 INFO L87 Difference]: Start difference. First operand 5559 states and 6476 transitions. Second operand 7 states. [2020-10-12 13:07:49,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:07:49,338 INFO L93 Difference]: Finished difference Result 11708 states and 13692 transitions. [2020-10-12 13:07:49,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:07:49,339 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 345 [2020-10-12 13:07:49,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:07:49,360 INFO L225 Difference]: With dead ends: 11708 [2020-10-12 13:07:49,360 INFO L226 Difference]: Without dead ends: 6298 [2020-10-12 13:07:49,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:07:49,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6298 states. [2020-10-12 13:07:49,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6298 to 6296. [2020-10-12 13:07:49,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6296 states. [2020-10-12 13:07:49,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6296 states to 6296 states and 7300 transitions. [2020-10-12 13:07:49,483 INFO L78 Accepts]: Start accepts. Automaton has 6296 states and 7300 transitions. Word has length 345 [2020-10-12 13:07:49,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:07:49,484 INFO L479 AbstractCegarLoop]: Abstraction has 6296 states and 7300 transitions. [2020-10-12 13:07:49,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:07:49,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6296 states and 7300 transitions. [2020-10-12 13:07:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-10-12 13:07:49,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:07:49,494 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 13:07:49,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 13:07:49,495 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:07:49,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:07:49,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1769720630, now seen corresponding path program 1 times [2020-10-12 13:07:49,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:07:49,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238739025] [2020-10-12 13:07:49,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:07:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 13:07:49,560 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 13:07:49,560 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 13:07:49,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 13:07:49,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:07:49 BoogieIcfgContainer [2020-10-12 13:07:49,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:07:49,653 INFO L168 Benchmark]: Toolchain (without parser) took 57729.30 ms. Allocated memory was 146.8 MB in the beginning and 855.6 MB in the end (delta: 708.8 MB). Free memory was 101.5 MB in the beginning and 607.3 MB in the end (delta: -505.8 MB). Peak memory consumption was 203.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:49,659 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 13:07:49,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.10 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.3 MB in the beginning and 170.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:49,664 INFO L168 Benchmark]: Boogie Preprocessor took 119.04 ms. Allocated memory is still 205.0 MB. Free memory was 170.9 MB in the beginning and 165.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:49,665 INFO L168 Benchmark]: RCFGBuilder took 1317.13 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 182.0 MB in the end (delta: -16.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:49,665 INFO L168 Benchmark]: TraceAbstraction took 55532.20 ms. Allocated memory was 238.6 MB in the beginning and 855.6 MB in the end (delta: 617.1 MB). Free memory was 180.5 MB in the beginning and 607.3 MB in the end (delta: -426.7 MB). Peak memory consumption was 190.4 MB. Max. memory is 7.1 GB. [2020-10-12 13:07:49,670 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 755.10 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.3 MB in the beginning and 170.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.04 ms. Allocated memory is still 205.0 MB. Free memory was 170.9 MB in the beginning and 165.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1317.13 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 182.0 MB in the end (delta: -16.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55532.20 ms. Allocated memory was 238.6 MB in the beginning and 855.6 MB in the end (delta: 617.1 MB). Free memory was 180.5 MB in the beginning and 607.3 MB in the end (delta: -426.7 MB). Peak memory consumption was 190.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 43]: 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 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 TRUE ((a12==0) && (((((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a19==9)) && (a4==14)) && (a10==0))) [L541] a1 = (((((a1 + -272193) - -47605) - -570122) % 89)+ 110) [L542] a10 = 1 [L544] return 25; [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 TRUE ((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0)))) [L461] a1 = (((a1 / 5) + 105416) + 61704) [L462] a10 = 4 [L464] return 24; [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 TRUE ((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0))) [L314] a19 = 8 [L316] 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 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 TRUE (((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8)) [L43] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 55.3s, OverallIterations: 16, TraceHistogramMax: 4, AutomataDifference: 28.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 6745 SDslu, 450 SDs, 0 SdLazy, 12705 SolverSat, 1676 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 19.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 121 SyntacticMatches, 3 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6296occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 1185 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 23.6s InterpolantComputationTime, 3585 NumberOfCodeBlocks, 3585 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3203 ConstructedInterpolants, 0 QuantifiedInterpolants, 3039802 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 1966/2191 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...