/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:57:55,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:57:55,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:57:55,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:57:55,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:57:55,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:57:55,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:57:55,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:57:55,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:57:55,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:57:55,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:57:55,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:57:55,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:57:55,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:57:55,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:57:55,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:57:55,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:57:55,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:57:55,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:57:55,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:57:55,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:57:55,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:57:55,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:57:55,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:57:55,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:57:55,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:57:55,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:57:55,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:57:55,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:57:55,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:57:55,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:57:55,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:57:55,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:57:55,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:57:55,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:57:55,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:57:55,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:57:55,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:57:55,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:57:55,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:57:55,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:57:55,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:57:55,616 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:57:55,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:57:55,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:57:55,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:57:55,619 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:57:55,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:57:55,619 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:57:55,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:57:55,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:57:55,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:57:55,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:57:55,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:57:55,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:57:55,621 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:57:55,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:57:55,621 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:57:55,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:57:55,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:57:55,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:57:55,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:57:55,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:57:55,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:57:55,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:57:55,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:57:55,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:57:55,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:57:55,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:57:55,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:57:55,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:57:55,627 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:57:55,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:57:55,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:57:55,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:57:55,993 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:57:55,994 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:57:55,994 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label20.c [2020-10-14 20:57:56,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c99d7d76/068d67e777a64ad99b05aa24707a2450/FLAG2c108d917 [2020-10-14 20:57:56,675 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:57:56,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label20.c [2020-10-14 20:57:56,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c99d7d76/068d67e777a64ad99b05aa24707a2450/FLAG2c108d917 [2020-10-14 20:57:56,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c99d7d76/068d67e777a64ad99b05aa24707a2450 [2020-10-14 20:57:56,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:57:56,904 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:57:56,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:57:56,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:57:56,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:57:56,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:57:56" (1/1) ... [2020-10-14 20:57:56,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2493e6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:56, skipping insertion in model container [2020-10-14 20:57:56,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:57:56" (1/1) ... [2020-10-14 20:57:56,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:57:56,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:57:57,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:57:57,887 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:57:58,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:57:58,213 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:57:58,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:58 WrapperNode [2020-10-14 20:57:58,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:57:58,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:57:58,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:57:58,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:57:58,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:58" (1/1) ... [2020-10-14 20:57:58,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:58" (1/1) ... [2020-10-14 20:57:58,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:58" (1/1) ... [2020-10-14 20:57:58,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:58" (1/1) ... [2020-10-14 20:57:58,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:58" (1/1) ... [2020-10-14 20:57:58,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:58" (1/1) ... [2020-10-14 20:57:58,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:58" (1/1) ... [2020-10-14 20:57:58,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:57:58,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:57:58,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:57:58,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:57:58,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:57:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:57:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:57:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:57:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:57:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:57:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:57:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:57:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:57:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:57:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:57:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:58:00,375 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:58:00,375 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:58:00,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:58:00 BoogieIcfgContainer [2020-10-14 20:58:00,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:58:00,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:58:00,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:58:00,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:58:00,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:57:56" (1/3) ... [2020-10-14 20:58:00,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7268f6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:58:00, skipping insertion in model container [2020-10-14 20:58:00,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:58" (2/3) ... [2020-10-14 20:58:00,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7268f6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:58:00, skipping insertion in model container [2020-10-14 20:58:00,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:58:00" (3/3) ... [2020-10-14 20:58:00,394 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label20.c [2020-10-14 20:58:00,408 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:58:00,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:58:00,436 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:58:00,468 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:58:00,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:58:00,468 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:58:00,468 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:58:00,469 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:58:00,469 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:58:00,469 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:58:00,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:58:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 20:58:00,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-14 20:58:00,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:00,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:58:00,508 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:00,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:00,515 INFO L82 PathProgramCache]: Analyzing trace with hash -960649190, now seen corresponding path program 1 times [2020-10-14 20:58:00,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:00,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187961497] [2020-10-14 20:58:00,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:00,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:01,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:01,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 20:58:01,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:01,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-14 20:58:01,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:01,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:58:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 20:58:01,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:58:01,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:01,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:01,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:01,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:01,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:01,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 20:58:01,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:01,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:01,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:01,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:58:01,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187961497] [2020-10-14 20:58:01,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:58:01,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:58:01,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977112351] [2020-10-14 20:58:01,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:58:01,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:01,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:58:01,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:58:01,183 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 20:58:03,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:03,525 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2020-10-14 20:58:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:58:03,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-14 20:58:03,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:03,547 INFO L225 Difference]: With dead ends: 791 [2020-10-14 20:58:03,547 INFO L226 Difference]: Without dead ends: 434 [2020-10-14 20:58:03,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:58:03,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-14 20:58:03,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-10-14 20:58:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-14 20:58:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2020-10-14 20:58:03,641 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 15 [2020-10-14 20:58:03,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:03,641 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2020-10-14 20:58:03,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:58:03,642 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2020-10-14 20:58:03,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-14 20:58:03,646 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:03,647 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:58:03,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:58:03,647 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:03,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:03,648 INFO L82 PathProgramCache]: Analyzing trace with hash -660336870, now seen corresponding path program 1 times [2020-10-14 20:58:03,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:03,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4188309] [2020-10-14 20:58:03,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:03,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:04,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:04,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:04,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:58:04,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:58:04,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1175 [2020-10-14 20:58:04,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:04,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:04,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:58:04,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:04,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:58:04,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:58:04,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:04,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:04,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:04,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:04,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:04,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 20:58:04,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:04,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:04,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:04,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:04,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:04,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:05,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:05,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:05,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:05,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:58:05,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:05,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-14 20:58:05,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:05,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:05,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:05,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:05,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:58:05,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 20:58:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:58:05,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4188309] [2020-10-14 20:58:05,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:58:05,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 20:58:05,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362052433] [2020-10-14 20:58:05,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:58:05,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:05,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:58:05,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:58:05,352 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand 8 states. [2020-10-14 20:58:08,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:08,908 INFO L93 Difference]: Finished difference Result 1664 states and 2471 transitions. [2020-10-14 20:58:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:58:08,915 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2020-10-14 20:58:08,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:08,925 INFO L225 Difference]: With dead ends: 1664 [2020-10-14 20:58:08,925 INFO L226 Difference]: Without dead ends: 1240 [2020-10-14 20:58:08,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-14 20:58:08,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2020-10-14 20:58:08,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1208. [2020-10-14 20:58:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-10-14 20:58:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1690 transitions. [2020-10-14 20:58:09,002 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1690 transitions. Word has length 87 [2020-10-14 20:58:09,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:09,003 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1690 transitions. [2020-10-14 20:58:09,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:58:09,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1690 transitions. [2020-10-14 20:58:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 20:58:09,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:09,007 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:58:09,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:58:09,007 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:09,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:09,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1986341175, now seen corresponding path program 1 times [2020-10-14 20:58:09,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:09,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494691667] [2020-10-14 20:58:09,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:09,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:09,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:10,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:10,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 20:58:10,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:58:10,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1045 [2020-10-14 20:58:10,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:10,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:58:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:58:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:10,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:10,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:10,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:10,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:10,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:10,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:58:10,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:10,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:10,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:10,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:10,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:10,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:10,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:10,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:10,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:10,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:58:10,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:10,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 20:58:10,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:10,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:10,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:10,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:58:10,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:10,549 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:58:10,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494691667] [2020-10-14 20:58:10,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:58:10,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:58:10,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750297333] [2020-10-14 20:58:10,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:10,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:10,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:10,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:10,551 INFO L87 Difference]: Start difference. First operand 1208 states and 1690 transitions. Second operand 7 states. [2020-10-14 20:58:13,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:13,102 INFO L93 Difference]: Finished difference Result 2827 states and 3919 transitions. [2020-10-14 20:58:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:58:13,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-10-14 20:58:13,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:13,113 INFO L225 Difference]: With dead ends: 2827 [2020-10-14 20:58:13,114 INFO L226 Difference]: Without dead ends: 1625 [2020-10-14 20:58:13,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:58:13,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2020-10-14 20:58:13,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1614. [2020-10-14 20:58:13,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1614 states. [2020-10-14 20:58:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2147 transitions. [2020-10-14 20:58:13,174 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2147 transitions. Word has length 88 [2020-10-14 20:58:13,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:13,174 INFO L479 AbstractCegarLoop]: Abstraction has 1614 states and 2147 transitions. [2020-10-14 20:58:13,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:58:13,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2147 transitions. [2020-10-14 20:58:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 20:58:13,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:13,178 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:58:13,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:58:13,178 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:13,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:13,179 INFO L82 PathProgramCache]: Analyzing trace with hash 935717682, now seen corresponding path program 1 times [2020-10-14 20:58:13,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:13,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701423847] [2020-10-14 20:58:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:13,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:13,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:13,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 20:58:13,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-14 20:58:13,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:13,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:58:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 20:58:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:13,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:13,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:13,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:13,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:13,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:58:13,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:13,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:13,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:13,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:13,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:13,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:58:13,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:13,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-14 20:58:13,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:13,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:58:13,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:14,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:58:14,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701423847] [2020-10-14 20:58:14,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:14,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:58:14,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005123093] [2020-10-14 20:58:14,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:58:14,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:14,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:58:14,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:58:14,074 INFO L87 Difference]: Start difference. First operand 1614 states and 2147 transitions. Second operand 6 states. [2020-10-14 20:58:17,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:17,118 INFO L93 Difference]: Finished difference Result 3653 states and 5088 transitions. [2020-10-14 20:58:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:58:17,119 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2020-10-14 20:58:17,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:17,135 INFO L225 Difference]: With dead ends: 3653 [2020-10-14 20:58:17,135 INFO L226 Difference]: Without dead ends: 2423 [2020-10-14 20:58:17,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:58:17,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2020-10-14 20:58:17,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 2201. [2020-10-14 20:58:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2201 states. [2020-10-14 20:58:17,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 2935 transitions. [2020-10-14 20:58:17,225 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 2935 transitions. Word has length 146 [2020-10-14 20:58:17,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:17,227 INFO L479 AbstractCegarLoop]: Abstraction has 2201 states and 2935 transitions. [2020-10-14 20:58:17,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:58:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2935 transitions. [2020-10-14 20:58:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 20:58:17,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:17,236 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:58:17,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:58:17,237 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:17,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:17,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1402300876, now seen corresponding path program 1 times [2020-10-14 20:58:17,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:17,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229667656] [2020-10-14 20:58:17,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:17,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:17,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:19,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:19,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 20:58:19,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:58:19,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1705 [2020-10-14 20:58:19,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:19,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 20:58:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-10-14 20:58:19,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:19,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:19,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:19,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:58:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:19,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:19,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:19,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:19,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:19,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:58:19,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:19,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-14 20:58:19,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:19,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:19,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 20:58:19,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:19,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:58:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:19,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:19,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:19,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:58:19,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:19,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-14 20:58:19,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:19,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:58:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:58:19,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 20:58:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 20:58:20,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1229667656] [2020-10-14 20:58:20,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:20,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:58:20,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724313326] [2020-10-14 20:58:20,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 20:58:20,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:20,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 20:58:20,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 20:58:20,030 INFO L87 Difference]: Start difference. First operand 2201 states and 2935 transitions. Second operand 9 states. [2020-10-14 20:58:23,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:23,336 INFO L93 Difference]: Finished difference Result 5882 states and 8343 transitions. [2020-10-14 20:58:23,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 20:58:23,337 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2020-10-14 20:58:23,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:23,362 INFO L225 Difference]: With dead ends: 5882 [2020-10-14 20:58:23,362 INFO L226 Difference]: Without dead ends: 4065 [2020-10-14 20:58:23,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-10-14 20:58:23,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2020-10-14 20:58:23,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 4001. [2020-10-14 20:58:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4001 states. [2020-10-14 20:58:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 4001 states and 5245 transitions. [2020-10-14 20:58:23,506 INFO L78 Accepts]: Start accepts. Automaton has 4001 states and 5245 transitions. Word has length 225 [2020-10-14 20:58:23,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:23,507 INFO L479 AbstractCegarLoop]: Abstraction has 4001 states and 5245 transitions. [2020-10-14 20:58:23,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 20:58:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 4001 states and 5245 transitions. [2020-10-14 20:58:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-14 20:58:23,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:23,514 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 20:58:23,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:58:23,514 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:23,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:23,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1087556891, now seen corresponding path program 1 times [2020-10-14 20:58:23,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:23,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776131288] [2020-10-14 20:58:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:23,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:23,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:24,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:25,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:25,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:28,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:28,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-14 20:58:28,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:58:28,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 20:58:28,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:28,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:28,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:28,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 20:58:28,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:58:28,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:28,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:28,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:28,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:28,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:28,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:28,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:58:28,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:28,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:28,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:28,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:28,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:28,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:28,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:28,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:58:28,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:28,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 20:58:28,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:28,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:58:28,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:28,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:58:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:28,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:29,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:29,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:58:29,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:29,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 20:58:29,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:29,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:58:29,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:29,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-14 20:58:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:29,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:29,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:29,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 20:58:29,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:29,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 20:58:29,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:29,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 20:58:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 99 proven. 70 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-14 20:58:29,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776131288] [2020-10-14 20:58:29,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:29,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:58:29,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332898993] [2020-10-14 20:58:29,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:29,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:29,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:29,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:29,340 INFO L87 Difference]: Start difference. First operand 4001 states and 5245 transitions. Second operand 7 states. [2020-10-14 20:58:32,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:32,714 INFO L93 Difference]: Finished difference Result 9242 states and 12492 transitions. [2020-10-14 20:58:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:58:32,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 276 [2020-10-14 20:58:32,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:32,742 INFO L225 Difference]: With dead ends: 9242 [2020-10-14 20:58:32,743 INFO L226 Difference]: Without dead ends: 5625 [2020-10-14 20:58:32,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:58:32,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5625 states. [2020-10-14 20:58:32,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5625 to 5394. [2020-10-14 20:58:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5394 states. [2020-10-14 20:58:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 5394 states and 7083 transitions. [2020-10-14 20:58:32,895 INFO L78 Accepts]: Start accepts. Automaton has 5394 states and 7083 transitions. Word has length 276 [2020-10-14 20:58:32,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:32,895 INFO L479 AbstractCegarLoop]: Abstraction has 5394 states and 7083 transitions. [2020-10-14 20:58:32,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:58:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 5394 states and 7083 transitions. [2020-10-14 20:58:32,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-14 20:58:32,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:32,903 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:58:32,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:58:32,904 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:32,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:32,904 INFO L82 PathProgramCache]: Analyzing trace with hash -462060889, now seen corresponding path program 1 times [2020-10-14 20:58:32,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:32,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674311942] [2020-10-14 20:58:32,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:33,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:33,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:33,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:33,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:34,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:35,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:37,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:37,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-14 20:58:37,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 20:58:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4080 [2020-10-14 20:58:37,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:37,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 20:58:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 281 [2020-10-14 20:58:37,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:37,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:37,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:37,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:37,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:37,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:37,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 20:58:37,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:37,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:37,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:37,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:37,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:37,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:37,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:37,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:37,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:37,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:58:37,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:58:37,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-14 20:58:37,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:37,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:37,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:58:37,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:37,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:58:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:37,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:37,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:37,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:37,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:58:37,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:58:37,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-14 20:58:37,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:37,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:58:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:37,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:58:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:37,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:37,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:37,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 20:58:37,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:37,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 20:58:37,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:37,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:58:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 154 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-14 20:58:38,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674311942] [2020-10-14 20:58:38,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:38,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:58:38,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490639400] [2020-10-14 20:58:38,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:38,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:38,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:38,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:38,372 INFO L87 Difference]: Start difference. First operand 5394 states and 7083 transitions. Second operand 7 states. [2020-10-14 20:58:40,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:40,973 INFO L93 Difference]: Finished difference Result 12142 states and 16508 transitions. [2020-10-14 20:58:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:58:40,974 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 286 [2020-10-14 20:58:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:41,007 INFO L225 Difference]: With dead ends: 12142 [2020-10-14 20:58:41,008 INFO L226 Difference]: Without dead ends: 6942 [2020-10-14 20:58:41,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:58:41,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6942 states. [2020-10-14 20:58:41,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6942 to 6738. [2020-10-14 20:58:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6738 states. [2020-10-14 20:58:41,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6738 states to 6738 states and 8746 transitions. [2020-10-14 20:58:41,205 INFO L78 Accepts]: Start accepts. Automaton has 6738 states and 8746 transitions. Word has length 286 [2020-10-14 20:58:41,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:41,206 INFO L479 AbstractCegarLoop]: Abstraction has 6738 states and 8746 transitions. [2020-10-14 20:58:41,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:58:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 6738 states and 8746 transitions. [2020-10-14 20:58:41,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-14 20:58:41,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:41,223 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:58:41,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:58:41,223 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:41,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:41,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1533623317, now seen corresponding path program 1 times [2020-10-14 20:58:41,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:41,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91340386] [2020-10-14 20:58:41,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:41,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:41,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:41,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:43,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:43,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-14 20:58:43,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:58:43,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2286 [2020-10-14 20:58:43,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:43,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:43,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:58:43,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 20:58:43,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:43,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:43,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:43,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:43,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:43,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:58:43,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:43,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:43,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:43,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:43,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:43,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:43,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:43,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:43,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:43,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:58:43,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:43,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 20:58:43,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:43,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:43,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:43,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:58:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:43,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:43,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:43,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:58:43,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 20:58:43,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:43,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:58:43,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:43,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:58:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:43,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:44,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:44,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-14 20:58:44,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 20:58:44,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:44,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 20:58:44,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 20:58:44,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91340386] [2020-10-14 20:58:44,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:44,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:58:44,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033337897] [2020-10-14 20:58:44,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:44,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:44,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:44,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:44,263 INFO L87 Difference]: Start difference. First operand 6738 states and 8746 transitions. Second operand 7 states. [2020-10-14 20:58:47,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:47,751 INFO L93 Difference]: Finished difference Result 14668 states and 19882 transitions. [2020-10-14 20:58:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:58:47,752 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 304 [2020-10-14 20:58:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:47,799 INFO L225 Difference]: With dead ends: 14668 [2020-10-14 20:58:47,799 INFO L226 Difference]: Without dead ends: 9103 [2020-10-14 20:58:47,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:58:47,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9103 states. [2020-10-14 20:58:48,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9103 to 8851. [2020-10-14 20:58:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8851 states. [2020-10-14 20:58:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8851 states to 8851 states and 11398 transitions. [2020-10-14 20:58:48,025 INFO L78 Accepts]: Start accepts. Automaton has 8851 states and 11398 transitions. Word has length 304 [2020-10-14 20:58:48,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:48,026 INFO L479 AbstractCegarLoop]: Abstraction has 8851 states and 11398 transitions. [2020-10-14 20:58:48,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:58:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 8851 states and 11398 transitions. [2020-10-14 20:58:48,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-14 20:58:48,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:48,035 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:58:48,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:58:48,036 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:48,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:48,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1502868117, now seen corresponding path program 1 times [2020-10-14 20:58:48,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:48,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203162470] [2020-10-14 20:58:48,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:48,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:48,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:48,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:48,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:53,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:53,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-14 20:58:53,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:58:53,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 20:58:53,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:53,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:53,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:53,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:58:53,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 20:58:53,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:53,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:53,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:53,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:53,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:53,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:53,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:58:53,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:53,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:53,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:53,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:53,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:53,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:53,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:58:53,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 20:58:53,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:53,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:53,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:53,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:58:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:53,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:53,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:53,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:58:53,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:53,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 20:58:53,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:53,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:53,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:53,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:53,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 20:58:53,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:53,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:58:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:53,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:53,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:53,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-14 20:58:53,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:53,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 20:58:53,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:53,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:53,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:53,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:53,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 20:58:53,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-14 20:58:53,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203162470] [2020-10-14 20:58:53,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:53,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:58:53,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395358156] [2020-10-14 20:58:53,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:53,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:53,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:53,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:53,587 INFO L87 Difference]: Start difference. First operand 8851 states and 11398 transitions. Second operand 7 states. [2020-10-14 20:58:56,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:56,493 INFO L93 Difference]: Finished difference Result 15603 states and 20803 transitions. [2020-10-14 20:58:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:58:56,494 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 304 [2020-10-14 20:58:56,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:56,538 INFO L225 Difference]: With dead ends: 15603 [2020-10-14 20:58:56,538 INFO L226 Difference]: Without dead ends: 10050 [2020-10-14 20:58:56,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:58:56,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10050 states. [2020-10-14 20:58:56,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10050 to 9996. [2020-10-14 20:58:56,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9996 states. [2020-10-14 20:58:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9996 states to 9996 states and 12736 transitions. [2020-10-14 20:58:56,797 INFO L78 Accepts]: Start accepts. Automaton has 9996 states and 12736 transitions. Word has length 304 [2020-10-14 20:58:56,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:56,798 INFO L479 AbstractCegarLoop]: Abstraction has 9996 states and 12736 transitions. [2020-10-14 20:58:56,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:58:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 9996 states and 12736 transitions. [2020-10-14 20:58:56,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-14 20:58:56,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:56,811 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:58:56,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:58:56,812 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:56,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:56,812 INFO L82 PathProgramCache]: Analyzing trace with hash -2004394009, now seen corresponding path program 1 times [2020-10-14 20:58:56,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:56,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960071038] [2020-10-14 20:58:56,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:56,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:57,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:57,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:57,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-14 20:58:57,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:58:57,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1067 [2020-10-14 20:58:57,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:57,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:57,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:57,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 20:58:57,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 20:58:57,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:58,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:58,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:58,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:58,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:58,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:58:58,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:58,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:58:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:58:58,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:58,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:58,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:58,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:58,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 20:58:58,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:58,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 20:58:58,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:58,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:58,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:58,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:58:58,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:58,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 20:58:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:58,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:58,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:58,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 20:58:58,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:58,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 20:58:58,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:58,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:58,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:58:58,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:58:58,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:58:58,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:58:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:58:58,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960071038] [2020-10-14 20:58:58,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:58:58,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:58:58,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008703653] [2020-10-14 20:58:58,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:58:58,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:58,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:58:58,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:58,448 INFO L87 Difference]: Start difference. First operand 9996 states and 12736 transitions. Second operand 7 states. [2020-10-14 20:59:01,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:01,927 INFO L93 Difference]: Finished difference Result 23668 states and 30469 transitions. [2020-10-14 20:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:59:01,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 303 [2020-10-14 20:59:01,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:01,973 INFO L225 Difference]: With dead ends: 23668 [2020-10-14 20:59:01,973 INFO L226 Difference]: Without dead ends: 14055 [2020-10-14 20:59:01,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14055 states. [2020-10-14 20:59:02,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14055 to 13460. [2020-10-14 20:59:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13460 states. [2020-10-14 20:59:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13460 states to 13460 states and 16866 transitions. [2020-10-14 20:59:02,285 INFO L78 Accepts]: Start accepts. Automaton has 13460 states and 16866 transitions. Word has length 303 [2020-10-14 20:59:02,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:02,286 INFO L479 AbstractCegarLoop]: Abstraction has 13460 states and 16866 transitions. [2020-10-14 20:59:02,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 13460 states and 16866 transitions. [2020-10-14 20:59:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-14 20:59:02,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:02,300 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:02,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:59:02,301 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:02,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:02,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1009220923, now seen corresponding path program 1 times [2020-10-14 20:59:02,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:02,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410837080] [2020-10-14 20:59:02,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:02,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:02,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:03,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:04,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:07,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:07,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-14 20:59:07,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:59:07,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4639 [2020-10-14 20:59:07,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:07,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 20:59:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:59:07,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-14 20:59:07,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:07,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:07,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:07,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:07,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:07,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:59:07,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:07,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:59:07,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:07,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:07,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:07,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:59:07,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:07,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 20:59:07,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:07,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 20:59:07,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:07,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:59:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:07,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:07,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:07,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:59:07,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:07,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 20:59:07,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:07,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:07,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:59:07,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:07,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:59:07,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:07,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-14 20:59:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:07,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:07,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:07,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:07,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:59:07,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:07,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-14 20:59:07,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:07,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:59:07,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 98 proven. 160 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 20:59:08,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410837080] [2020-10-14 20:59:08,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:08,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 20:59:08,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976697031] [2020-10-14 20:59:08,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 20:59:08,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:08,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 20:59:08,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:59:08,176 INFO L87 Difference]: Start difference. First operand 13460 states and 16866 transitions. Second operand 10 states. [2020-10-14 20:59:11,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:11,918 INFO L93 Difference]: Finished difference Result 22320 states and 28173 transitions. [2020-10-14 20:59:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 20:59:11,919 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 308 [2020-10-14 20:59:11,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:11,955 INFO L225 Difference]: With dead ends: 22320 [2020-10-14 20:59:11,955 INFO L226 Difference]: Without dead ends: 13477 [2020-10-14 20:59:11,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2020-10-14 20:59:11,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13477 states. [2020-10-14 20:59:12,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13477 to 13464. [2020-10-14 20:59:12,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13464 states. [2020-10-14 20:59:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13464 states to 13464 states and 16884 transitions. [2020-10-14 20:59:12,246 INFO L78 Accepts]: Start accepts. Automaton has 13464 states and 16884 transitions. Word has length 308 [2020-10-14 20:59:12,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:12,247 INFO L479 AbstractCegarLoop]: Abstraction has 13464 states and 16884 transitions. [2020-10-14 20:59:12,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 20:59:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 13464 states and 16884 transitions. [2020-10-14 20:59:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-14 20:59:12,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:12,262 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:12,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:59:12,262 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:12,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:12,262 INFO L82 PathProgramCache]: Analyzing trace with hash -744091868, now seen corresponding path program 1 times [2020-10-14 20:59:12,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:12,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197277114] [2020-10-14 20:59:12,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:12,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:12,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:12,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:12,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-14 20:59:12,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:12,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-14 20:59:12,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:12,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:12,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:12,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:59:12,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:59:12,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:12,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:13,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:13,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:13,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:13,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:13,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:13,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:13,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:13,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:13,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:13,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:13,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:13,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:13,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:13,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:13,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:59:13,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:13,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 20:59:13,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:13,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:13,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:13,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:59:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:13,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:13,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:13,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:59:13,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 20:59:13,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:13,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:59:13,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:13,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:59:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:13,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:13,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:13,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:59:13,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:13,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 20:59:13,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:13,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:13,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:13,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:13,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:59:13,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:13,475 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-10-14 20:59:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 201 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 20:59:13,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197277114] [2020-10-14 20:59:13,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:13,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:59:13,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504996173] [2020-10-14 20:59:13,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:59:13,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:13,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:59:13,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:59:13,679 INFO L87 Difference]: Start difference. First operand 13464 states and 16884 transitions. Second operand 8 states. [2020-10-14 20:59:16,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:16,584 INFO L93 Difference]: Finished difference Result 28096 states and 35197 transitions. [2020-10-14 20:59:16,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:59:16,585 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 309 [2020-10-14 20:59:16,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:16,622 INFO L225 Difference]: With dead ends: 28096 [2020-10-14 20:59:16,622 INFO L226 Difference]: Without dead ends: 14254 [2020-10-14 20:59:16,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:59:16,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14254 states. [2020-10-14 20:59:16,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14254 to 13468. [2020-10-14 20:59:16,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13468 states. [2020-10-14 20:59:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13468 states to 13468 states and 16806 transitions. [2020-10-14 20:59:16,912 INFO L78 Accepts]: Start accepts. Automaton has 13468 states and 16806 transitions. Word has length 309 [2020-10-14 20:59:16,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:16,913 INFO L479 AbstractCegarLoop]: Abstraction has 13468 states and 16806 transitions. [2020-10-14 20:59:16,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:59:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand 13468 states and 16806 transitions. [2020-10-14 20:59:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-14 20:59:16,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:16,925 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:16,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:59:16,925 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:16,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:16,926 INFO L82 PathProgramCache]: Analyzing trace with hash 455259556, now seen corresponding path program 1 times [2020-10-14 20:59:16,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:16,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680743925] [2020-10-14 20:59:16,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:17,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:17,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:17,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:18,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:18,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-14 20:59:18,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:59:18,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1314 [2020-10-14 20:59:18,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:18,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:59:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:59:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:18,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:18,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:18,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:18,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:18,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:18,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:18,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:18,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:18,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:18,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:18,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:18,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:18,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:59:18,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:18,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 20:59:18,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:18,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:18,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:18,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:59:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:18,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:18,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:18,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:59:18,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:18,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 20:59:18,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:18,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:18,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:18,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:18,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 20:59:18,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:18,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:59:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:18,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:18,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:18,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:59:18,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:18,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 20:59:18,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:18,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:18,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:18,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:18,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:59:18,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:18,751 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-14 20:59:18,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680743925] [2020-10-14 20:59:18,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:18,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:18,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919147604] [2020-10-14 20:59:18,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:18,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:18,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:18,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:18,754 INFO L87 Difference]: Start difference. First operand 13468 states and 16806 transitions. Second operand 7 states. [2020-10-14 20:59:21,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:21,456 INFO L93 Difference]: Finished difference Result 27152 states and 33811 transitions. [2020-10-14 20:59:21,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:59:21,457 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 309 [2020-10-14 20:59:21,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:21,648 INFO L225 Difference]: With dead ends: 27152 [2020-10-14 20:59:21,648 INFO L226 Difference]: Without dead ends: 13676 [2020-10-14 20:59:21,663 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 [2020-10-14 20:59:21,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13676 states. [2020-10-14 20:59:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13676 to 13264. [2020-10-14 20:59:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13264 states. [2020-10-14 20:59:21,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13264 states to 13264 states and 16313 transitions. [2020-10-14 20:59:21,862 INFO L78 Accepts]: Start accepts. Automaton has 13264 states and 16313 transitions. Word has length 309 [2020-10-14 20:59:21,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:21,863 INFO L479 AbstractCegarLoop]: Abstraction has 13264 states and 16313 transitions. [2020-10-14 20:59:21,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:21,863 INFO L276 IsEmpty]: Start isEmpty. Operand 13264 states and 16313 transitions. [2020-10-14 20:59:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-14 20:59:21,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:21,871 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:21,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:59:21,871 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:21,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:21,872 INFO L82 PathProgramCache]: Analyzing trace with hash -728020235, now seen corresponding path program 1 times [2020-10-14 20:59:21,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:21,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576219615] [2020-10-14 20:59:21,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:21,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:22,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:22,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:23,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:23,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-14 20:59:23,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:59:23,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1551 [2020-10-14 20:59:23,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:23,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:59:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:59:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:23,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:23,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:23,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:23,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:23,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:23,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:59:23,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:23,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:23,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:23,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:23,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:23,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:23,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:23,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:23,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 20:59:23,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:23,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:23,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:23,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:23,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:23,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:23,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:23,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 20:59:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 20:59:23,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:23,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 20:59:23,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:23,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:59:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:23,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:23,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:23,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:59:23,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:23,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 20:59:23,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:23,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:23,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:59:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-14 20:59:24,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576219615] [2020-10-14 20:59:24,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:24,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:24,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738375092] [2020-10-14 20:59:24,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:24,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:24,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:24,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:24,265 INFO L87 Difference]: Start difference. First operand 13264 states and 16313 transitions. Second operand 7 states. [2020-10-14 20:59:27,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:27,164 INFO L93 Difference]: Finished difference Result 27721 states and 34090 transitions. [2020-10-14 20:59:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:59:27,165 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 309 [2020-10-14 20:59:27,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:27,197 INFO L225 Difference]: With dead ends: 27721 [2020-10-14 20:59:27,197 INFO L226 Difference]: Without dead ends: 13869 [2020-10-14 20:59:27,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:59:27,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13869 states. [2020-10-14 20:59:27,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13869 to 13448. [2020-10-14 20:59:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13448 states. [2020-10-14 20:59:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13448 states to 13448 states and 16459 transitions. [2020-10-14 20:59:27,509 INFO L78 Accepts]: Start accepts. Automaton has 13448 states and 16459 transitions. Word has length 309 [2020-10-14 20:59:27,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:27,510 INFO L479 AbstractCegarLoop]: Abstraction has 13448 states and 16459 transitions. [2020-10-14 20:59:27,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 13448 states and 16459 transitions. [2020-10-14 20:59:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-14 20:59:27,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:27,520 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:27,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 20:59:27,520 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:27,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:27,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1904594150, now seen corresponding path program 1 times [2020-10-14 20:59:27,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:27,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596201727] [2020-10-14 20:59:27,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:27,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:27,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:29,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:29,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-14 20:59:29,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:29,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1470 [2020-10-14 20:59:29,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:29,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213 [2020-10-14 20:59:29,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:59:29,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:29,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:29,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:29,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:29,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:29,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:29,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:29,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:29,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:29,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:29,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:29,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:29,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:29,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:29,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:29,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 20:59:29,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:29,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:29,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:29,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:29,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:29,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:29,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:29,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:29,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:29,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:59:29,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:29,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 20:59:29,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:29,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:59:29,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:29,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-14 20:59:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:29,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:29,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:29,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:59:29,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:29,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 20:59:29,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:29,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:29,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:29,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:29,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:59:29,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-14 20:59:29,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596201727] [2020-10-14 20:59:29,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:29,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:29,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388482146] [2020-10-14 20:59:29,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:29,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:29,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:29,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:29,529 INFO L87 Difference]: Start difference. First operand 13448 states and 16459 transitions. Second operand 7 states. [2020-10-14 20:59:32,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:32,335 INFO L93 Difference]: Finished difference Result 27316 states and 33544 transitions. [2020-10-14 20:59:32,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:59:32,337 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2020-10-14 20:59:32,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:32,371 INFO L225 Difference]: With dead ends: 27316 [2020-10-14 20:59:32,372 INFO L226 Difference]: Without dead ends: 14062 [2020-10-14 20:59:32,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:32,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14062 states. [2020-10-14 20:59:32,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14062 to 13638. [2020-10-14 20:59:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13638 states. [2020-10-14 20:59:32,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13638 states to 13638 states and 16600 transitions. [2020-10-14 20:59:32,625 INFO L78 Accepts]: Start accepts. Automaton has 13638 states and 16600 transitions. Word has length 310 [2020-10-14 20:59:32,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:32,625 INFO L479 AbstractCegarLoop]: Abstraction has 13638 states and 16600 transitions. [2020-10-14 20:59:32,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:32,626 INFO L276 IsEmpty]: Start isEmpty. Operand 13638 states and 16600 transitions. [2020-10-14 20:59:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-10-14 20:59:32,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:32,636 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:32,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 20:59:32,636 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:32,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:32,637 INFO L82 PathProgramCache]: Analyzing trace with hash -2032230669, now seen corresponding path program 1 times [2020-10-14 20:59:32,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:32,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339800574] [2020-10-14 20:59:32,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:32,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:33,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:33,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 20:59:33,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:33,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-14 20:59:33,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:33,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:33,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:33,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 317 [2020-10-14 20:59:33,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 20:59:33,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:33,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:33,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:33,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:33,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:33,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:33,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:33,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:33,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:33,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:33,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:33,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:33,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:33,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:33,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:33,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:33,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:33,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:33,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 20:59:33,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:33,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:33,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:33,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:33,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:33,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:33,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 20:59:33,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:33,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-14 20:59:33,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:33,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:33,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 20:59:33,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-14 20:59:33,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339800574] [2020-10-14 20:59:33,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:33,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:59:33,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757510068] [2020-10-14 20:59:33,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:59:33,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:33,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:59:33,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:59:33,569 INFO L87 Difference]: Start difference. First operand 13638 states and 16600 transitions. Second operand 5 states. [2020-10-14 20:59:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:35,880 INFO L93 Difference]: Finished difference Result 30330 states and 37306 transitions. [2020-10-14 20:59:35,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:59:35,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 321 [2020-10-14 20:59:35,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:35,910 INFO L225 Difference]: With dead ends: 30330 [2020-10-14 20:59:35,911 INFO L226 Difference]: Without dead ends: 17076 [2020-10-14 20:59:35,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:59:35,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17076 states. [2020-10-14 20:59:36,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17076 to 16488. [2020-10-14 20:59:36,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16488 states. [2020-10-14 20:59:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16488 states to 16488 states and 19960 transitions. [2020-10-14 20:59:36,192 INFO L78 Accepts]: Start accepts. Automaton has 16488 states and 19960 transitions. Word has length 321 [2020-10-14 20:59:36,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:36,192 INFO L479 AbstractCegarLoop]: Abstraction has 16488 states and 19960 transitions. [2020-10-14 20:59:36,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:59:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 16488 states and 19960 transitions. [2020-10-14 20:59:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-14 20:59:36,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:36,204 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:36,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 20:59:36,205 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:36,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:36,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1161351149, now seen corresponding path program 1 times [2020-10-14 20:59:36,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:36,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795743995] [2020-10-14 20:59:36,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:36,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:36,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:36,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:36,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-14 20:59:36,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:36,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 706 [2020-10-14 20:59:36,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:36,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 20:59:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:59:36,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:37,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:37,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:37,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:37,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:37,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:37,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:37,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:37,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:37,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:37,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:37,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:37,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:59:37,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:37,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 20:59:37,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:37,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:37,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:37,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:37,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:37,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:37,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:59:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:37,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:37,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:37,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 20:59:37,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:37,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 20:59:37,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:37,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 20:59:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:37,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-14 20:59:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:37,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:37,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:37,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:59:37,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:37,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-14 20:59:37,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:37,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:59:37,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-14 20:59:37,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795743995] [2020-10-14 20:59:37,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:37,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:37,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543469662] [2020-10-14 20:59:37,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:37,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:37,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:37,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:37,623 INFO L87 Difference]: Start difference. First operand 16488 states and 19960 transitions. Second operand 7 states. [2020-10-14 20:59:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:41,096 INFO L93 Difference]: Finished difference Result 28545 states and 34679 transitions. [2020-10-14 20:59:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:59:41,097 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 336 [2020-10-14 20:59:41,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:41,129 INFO L225 Difference]: With dead ends: 28545 [2020-10-14 20:59:41,129 INFO L226 Difference]: Without dead ends: 16092 [2020-10-14 20:59:41,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:59:41,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16092 states. [2020-10-14 20:59:41,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16092 to 15886. [2020-10-14 20:59:41,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15886 states. [2020-10-14 20:59:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15886 states to 15886 states and 18909 transitions. [2020-10-14 20:59:41,411 INFO L78 Accepts]: Start accepts. Automaton has 15886 states and 18909 transitions. Word has length 336 [2020-10-14 20:59:41,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:41,411 INFO L479 AbstractCegarLoop]: Abstraction has 15886 states and 18909 transitions. [2020-10-14 20:59:41,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 15886 states and 18909 transitions. [2020-10-14 20:59:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-10-14 20:59:41,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:41,421 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:41,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 20:59:41,421 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:41,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:41,421 INFO L82 PathProgramCache]: Analyzing trace with hash 579923873, now seen corresponding path program 1 times [2020-10-14 20:59:41,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:41,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469159078] [2020-10-14 20:59:41,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:41,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:42,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:43,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-14 20:59:43,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:59:43,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2066 [2020-10-14 20:59:43,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:43,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:43,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 20:59:43,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:59:43,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-14 20:59:43,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:43,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:43,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:43,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:43,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:43,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:59:43,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:43,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:43,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:43,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:43,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:43,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:43,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 20:59:43,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:43,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:43,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:43,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:43,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:59:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:43,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:43,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:43,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 20:59:43,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:43,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 20:59:43,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:43,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 20:59:43,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:43,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-14 20:59:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:43,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:43,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:59:43,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:43,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 20:59:43,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:43,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:59:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:59:43,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:44,080 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 200 proven. 25 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-14 20:59:44,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469159078] [2020-10-14 20:59:44,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:44,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:59:44,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471426452] [2020-10-14 20:59:44,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:59:44,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:44,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:59:44,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:59:44,083 INFO L87 Difference]: Start difference. First operand 15886 states and 18909 transitions. Second operand 8 states. [2020-10-14 20:59:48,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:48,384 INFO L93 Difference]: Finished difference Result 28499 states and 34161 transitions. [2020-10-14 20:59:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:59:48,388 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 347 [2020-10-14 20:59:48,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:48,436 INFO L225 Difference]: With dead ends: 28499 [2020-10-14 20:59:48,437 INFO L226 Difference]: Without dead ends: 18006 [2020-10-14 20:59:48,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-14 20:59:48,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18006 states. [2020-10-14 20:59:48,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18006 to 16078. [2020-10-14 20:59:48,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16078 states. [2020-10-14 20:59:48,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16078 states to 16078 states and 18983 transitions. [2020-10-14 20:59:48,759 INFO L78 Accepts]: Start accepts. Automaton has 16078 states and 18983 transitions. Word has length 347 [2020-10-14 20:59:48,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:48,760 INFO L479 AbstractCegarLoop]: Abstraction has 16078 states and 18983 transitions. [2020-10-14 20:59:48,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:59:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 16078 states and 18983 transitions. [2020-10-14 20:59:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-10-14 20:59:48,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:48,774 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:48,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 20:59:48,777 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:48,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:48,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1091239957, now seen corresponding path program 1 times [2020-10-14 20:59:48,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:48,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594906359] [2020-10-14 20:59:48,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:48,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:49,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:49,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:49,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:51,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:51,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 367 [2020-10-14 20:59:51,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:59:51,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2882 [2020-10-14 20:59:51,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:51,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:51,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 20:59:51,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:59:51,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-10-14 20:59:51,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:51,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:51,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:51,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:51,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:51,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:51,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:51,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:51,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:51,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:51,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:51,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:51,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:51,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 20:59:51,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:51,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:59:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:51,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:52,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:52,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:52,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 20:59:52,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:52,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 20:59:52,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:52,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 20:59:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 20:59:52,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:52,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-14 20:59:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:52,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:52,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:52,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:59:52,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:52,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 20:59:52,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:52,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:59:52,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 212 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-14 20:59:52,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594906359] [2020-10-14 20:59:52,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:52,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 20:59:52,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964444821] [2020-10-14 20:59:52,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 20:59:52,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:52,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 20:59:52,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:59:52,505 INFO L87 Difference]: Start difference. First operand 16078 states and 18983 transitions. Second operand 10 states. [2020-10-14 20:59:57,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:57,145 INFO L93 Difference]: Finished difference Result 36117 states and 42700 transitions. [2020-10-14 20:59:57,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 20:59:57,146 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 353 [2020-10-14 20:59:57,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:57,184 INFO L225 Difference]: With dead ends: 36117 [2020-10-14 20:59:57,184 INFO L226 Difference]: Without dead ends: 21769 [2020-10-14 20:59:57,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-14 20:59:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21769 states. [2020-10-14 20:59:57,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21769 to 20048. [2020-10-14 20:59:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20048 states. [2020-10-14 20:59:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20048 states to 20048 states and 23089 transitions. [2020-10-14 20:59:57,517 INFO L78 Accepts]: Start accepts. Automaton has 20048 states and 23089 transitions. Word has length 353 [2020-10-14 20:59:57,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:57,517 INFO L479 AbstractCegarLoop]: Abstraction has 20048 states and 23089 transitions. [2020-10-14 20:59:57,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 20:59:57,517 INFO L276 IsEmpty]: Start isEmpty. Operand 20048 states and 23089 transitions. [2020-10-14 20:59:57,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2020-10-14 20:59:57,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:57,531 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 20:59:57,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 20:59:57,532 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:57,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:57,532 INFO L82 PathProgramCache]: Analyzing trace with hash -372708829, now seen corresponding path program 1 times [2020-10-14 20:59:57,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:57,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486401837] [2020-10-14 20:59:57,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:57,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:57,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:01,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:01,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 412 [2020-10-14 21:00:01,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:01,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3634 [2020-10-14 21:00:01,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:01,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:01,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 21:00:01,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:00:01,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 297 [2020-10-14 21:00:01,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:01,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:01,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:01,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:01,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:01,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:01,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:00:01,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:01,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:00:01,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:01,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:01,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:01,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:01,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:01,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:01,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 21:00:01,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:01,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 21:00:01,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:01,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:01,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:01,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:01,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:01,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:01,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 21:00:01,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:01,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:00:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:00:01,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:01,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 21:00:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:01,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:01,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:01,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 21:00:01,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:01,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 21:00:01,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:01,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:00:01,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-10-14 21:00:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:01,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:01,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:01,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:00:01,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:00:01,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:01,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:01,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:01,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:00:01,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:01,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 49 proven. 246 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-10-14 21:00:01,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486401837] [2020-10-14 21:00:01,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:01,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:00:01,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259199552] [2020-10-14 21:00:01,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:00:01,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:01,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:00:01,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:00:01,869 INFO L87 Difference]: Start difference. First operand 20048 states and 23089 transitions. Second operand 9 states. [2020-10-14 21:00:06,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:06,501 INFO L93 Difference]: Finished difference Result 40198 states and 46967 transitions. [2020-10-14 21:00:06,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 21:00:06,502 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 396 [2020-10-14 21:00:06,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:06,549 INFO L225 Difference]: With dead ends: 40198 [2020-10-14 21:00:06,550 INFO L226 Difference]: Without dead ends: 26097 [2020-10-14 21:00:06,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2020-10-14 21:00:06,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26097 states. [2020-10-14 21:00:06,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26097 to 25796. [2020-10-14 21:00:06,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25796 states. [2020-10-14 21:00:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25796 states to 25796 states and 29516 transitions. [2020-10-14 21:00:07,010 INFO L78 Accepts]: Start accepts. Automaton has 25796 states and 29516 transitions. Word has length 396 [2020-10-14 21:00:07,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:07,011 INFO L479 AbstractCegarLoop]: Abstraction has 25796 states and 29516 transitions. [2020-10-14 21:00:07,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:00:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 25796 states and 29516 transitions. [2020-10-14 21:00:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-10-14 21:00:07,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:07,042 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-14 21:00:07,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:00:07,043 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:07,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:07,043 INFO L82 PathProgramCache]: Analyzing trace with hash 624399105, now seen corresponding path program 1 times [2020-10-14 21:00:07,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:07,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215646119] [2020-10-14 21:00:07,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:07,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:07,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:09,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:09,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 422 [2020-10-14 21:00:09,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:09,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2406 [2020-10-14 21:00:09,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:09,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:09,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:09,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 245 [2020-10-14 21:00:09,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-14 21:00:09,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:09,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:09,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:09,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:09,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:09,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:09,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:09,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:09,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:09,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:09,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:09,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:09,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:09,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:09,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:00:09,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:09,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:09,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:00:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:09,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:09,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:09,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 21:00:09,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:09,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 21:00:09,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:09,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 21:00:09,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:09,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-14 21:00:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:09,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:10,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:10,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 21:00:10,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:10,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-14 21:00:10,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:10,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 21:00:10,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 254 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-14 21:00:10,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215646119] [2020-10-14 21:00:10,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:10,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:10,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956545161] [2020-10-14 21:00:10,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:10,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:10,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:10,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:10,217 INFO L87 Difference]: Start difference. First operand 25796 states and 29516 transitions. Second operand 7 states. [2020-10-14 21:00:13,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:13,176 INFO L93 Difference]: Finished difference Result 48019 states and 55083 transitions. [2020-10-14 21:00:13,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:00:13,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 408 [2020-10-14 21:00:13,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:13,223 INFO L225 Difference]: With dead ends: 48019 [2020-10-14 21:00:13,223 INFO L226 Difference]: Without dead ends: 26632 [2020-10-14 21:00:13,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:00:13,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26632 states. [2020-10-14 21:00:13,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26632 to 26582. [2020-10-14 21:00:13,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26582 states. [2020-10-14 21:00:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26582 states to 26582 states and 30284 transitions. [2020-10-14 21:00:13,629 INFO L78 Accepts]: Start accepts. Automaton has 26582 states and 30284 transitions. Word has length 408 [2020-10-14 21:00:13,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:13,630 INFO L479 AbstractCegarLoop]: Abstraction has 26582 states and 30284 transitions. [2020-10-14 21:00:13,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:13,630 INFO L276 IsEmpty]: Start isEmpty. Operand 26582 states and 30284 transitions. [2020-10-14 21:00:13,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2020-10-14 21:00:13,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:13,649 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:13,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:00:13,650 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:13,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:13,650 INFO L82 PathProgramCache]: Analyzing trace with hash -388246785, now seen corresponding path program 1 times [2020-10-14 21:00:13,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:13,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533602619] [2020-10-14 21:00:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:13,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:14,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:14,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 429 [2020-10-14 21:00:14,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:14,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 795 [2020-10-14 21:00:14,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:14,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:14,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 317 [2020-10-14 21:00:14,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 21:00:14,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:14,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:14,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:14,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:14,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:14,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:14,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:00:14,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:14,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:14,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:14,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:14,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:14,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:14,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:14,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:14,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:00:14,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:14,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:14,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:14,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:00:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:14,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:14,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:14,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 21:00:14,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:14,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 21:00:14,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:14,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:14,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:14,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 21:00:14,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:14,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-10-14 21:00:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:14,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:15,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:15,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:00:15,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:15,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 21:00:15,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:15,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:00:15,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-14 21:00:15,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533602619] [2020-10-14 21:00:15,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:15,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:15,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796358008] [2020-10-14 21:00:15,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:15,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:15,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:15,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:15,185 INFO L87 Difference]: Start difference. First operand 26582 states and 30284 transitions. Second operand 7 states. [2020-10-14 21:00:17,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:17,922 INFO L93 Difference]: Finished difference Result 47855 states and 54590 transitions. [2020-10-14 21:00:17,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:00:17,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 415 [2020-10-14 21:00:17,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:17,980 INFO L225 Difference]: With dead ends: 47855 [2020-10-14 21:00:17,980 INFO L226 Difference]: Without dead ends: 24182 [2020-10-14 21:00:18,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:18,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24182 states. [2020-10-14 21:00:18,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24182 to 22810. [2020-10-14 21:00:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22810 states. [2020-10-14 21:00:18,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22810 states to 22810 states and 25876 transitions. [2020-10-14 21:00:18,287 INFO L78 Accepts]: Start accepts. Automaton has 22810 states and 25876 transitions. Word has length 415 [2020-10-14 21:00:18,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:18,287 INFO L479 AbstractCegarLoop]: Abstraction has 22810 states and 25876 transitions. [2020-10-14 21:00:18,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 22810 states and 25876 transitions. [2020-10-14 21:00:18,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2020-10-14 21:00:18,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:18,298 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:18,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 21:00:18,299 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:18,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:18,299 INFO L82 PathProgramCache]: Analyzing trace with hash 321386367, now seen corresponding path program 1 times [2020-10-14 21:00:18,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:18,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971534859] [2020-10-14 21:00:18,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 21:00:18,364 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 21:00:18,364 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 21:00:18,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 21:00:18,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:00:18 BoogieIcfgContainer [2020-10-14 21:00:18,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:00:18,431 INFO L168 Benchmark]: Toolchain (without parser) took 141528.34 ms. Allocated memory was 146.8 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 98.6 MB in the beginning and 830.2 MB in the end (delta: -731.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-14 21:00:18,432 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.7 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 21:00:18,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1312.21 ms. Allocated memory was 146.8 MB in the beginning and 210.8 MB in the end (delta: 64.0 MB). Free memory was 98.6 MB in the beginning and 164.6 MB in the end (delta: -65.9 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2020-10-14 21:00:18,434 INFO L168 Benchmark]: Boogie Preprocessor took 154.39 ms. Allocated memory is still 210.8 MB. Free memory was 164.6 MB in the beginning and 157.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:00:18,434 INFO L168 Benchmark]: RCFGBuilder took 2010.98 ms. Allocated memory was 210.8 MB in the beginning and 243.3 MB in the end (delta: 32.5 MB). Free memory was 157.1 MB in the beginning and 102.0 MB in the end (delta: 55.0 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:00:18,435 INFO L168 Benchmark]: TraceAbstraction took 138044.70 ms. Allocated memory was 243.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 100.2 MB in the beginning and 830.2 MB in the end (delta: -730.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-14 21:00:18,438 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.7 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1312.21 ms. Allocated memory was 146.8 MB in the beginning and 210.8 MB in the end (delta: 64.0 MB). Free memory was 98.6 MB in the beginning and 164.6 MB in the end (delta: -65.9 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.39 ms. Allocated memory is still 210.8 MB. Free memory was 164.6 MB in the beginning and 157.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2010.98 ms. Allocated memory was 210.8 MB in the beginning and 243.3 MB in the end (delta: 32.5 MB). Free memory was 157.1 MB in the beginning and 102.0 MB in the end (delta: 55.0 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 138044.70 ms. Allocated memory was 243.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 100.2 MB in the beginning and 830.2 MB in the end (delta: -730.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 33]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputA = 1; [L8] int inputD = 4; [L9] int inputB = 2; [L10] int inputE = 5; [L11] int inputF = 6; [L12] int inputC = 3; [L15] int a29 = 130; [L16] int a4 = 1; [L17] int a23 = 312; [L18] int a8 = 15; [L19] int a25 = 10; [L20] int a3 = 1; [L1031] int output = -1; [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND TRUE ((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15))) [L527] a29 = (((((a29 % 52)- -193) * 5) % 52)- -169) [L528] a25 = 12 [L530] return 26; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND TRUE ((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)) [L622] a29 = ((((a29 / -5) - 119439) + 125177) * -5) [L623] a23 = (((a23 + 0) - 600293) - 11) [L624] a4 = 0 [L625] a25 = 10 [L627] return 21; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L628] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L635] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L642] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L647] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L658] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L663] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L670] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L675] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L681] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L688] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L694] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L706] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L712] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L717] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L731] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L738] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L743] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L750] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L757] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L769] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L774] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L780] COND FALSE !(((a3==1) && (( a23 <= -43 && (((input == 6) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && !(a4==1))) && (a8==15)))) [L787] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L792] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L799] COND FALSE !(((a3==1) && (((a8==15) && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 5)) && 306 < a23 )) && (a4==1)))) [L804] COND FALSE !((((((a8==15) && ((input == 4) && (( 277 < a29 && (a25==9)) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ( ((245 < a29) && (277 >= a29)) && (a25==13)))))) && !(a4==1)) && a23 <= -43 ) && (a3==1))) [L816] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (!(a4==1) && ((input == 5) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) )))))) && (a8==15)) && (a3==1))) [L822] COND FALSE !(( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15)))) [L825] COND TRUE ((a8==15) && ((((a3==1) && ((((a25==10) || (a25==11)) && (input == 6)) && a29 <= 140 )) && a23 <= -43 ) && !(a4==1))) [L826] a23 = (((((a23 / 5) + -54477) / 5) % 90)- -119) [L827] a4 = 1 [L828] a25 = 10 [L830] return -1; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND TRUE ((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L33] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 137.9s, OverallIterations: 23, TraceHistogramMax: 5, AutomataDifference: 72.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1065 SDtfs, 18147 SDslu, 1995 SDs, 0 SdLazy, 36293 SolverSat, 5732 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 467 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26582occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 22 MinimizatonAttempts, 9891 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 56.6s InterpolantComputationTime, 6577 NumberOfCodeBlocks, 6577 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 6133 ConstructedInterpolants, 0 QuantifiedInterpolants, 6783806 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 4336/4974 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...