/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/Problem01_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:03:49,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:03:49,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:03:49,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:03:49,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:03:49,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:03:49,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:03:49,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:03:49,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:03:49,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:03:49,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:03:49,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:03:49,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:03:49,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:03:49,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:03:49,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:03:49,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:03:49,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:03:49,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:03:49,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:03:49,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:03:49,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:03:49,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:03:49,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:03:49,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:03:49,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:03:49,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:03:49,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:03:49,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:03:49,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:03:49,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:03:49,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:03:49,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:03:49,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:03:49,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:03:49,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:03:49,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:03:49,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:03:49,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:03:49,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:03:49,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:03:49,349 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 19:03:49,395 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:03:49,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:03:49,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:03:49,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:03:49,397 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:03:49,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:03:49,398 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:03:49,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:03:49,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:03:49,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:03:49,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:03:49,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:03:49,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:03:49,400 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:03:49,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:03:49,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:03:49,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:03:49,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:03:49,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:03:49,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:03:49,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:03:49,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:03:49,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:03:49,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:03:49,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:03:49,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:03:49,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:03:49,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:03:49,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:03:49,404 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 19:03:49,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:03:49,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:03:49,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:03:49,717 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:03:49,718 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:03:49,718 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label20.c [2020-10-14 19:03:49,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54737c899/5e9e571b67214d2ca30059a1b8dfae64/FLAG816549f5d [2020-10-14 19:03:50,318 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:03:50,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label20.c [2020-10-14 19:03:50,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54737c899/5e9e571b67214d2ca30059a1b8dfae64/FLAG816549f5d [2020-10-14 19:03:50,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54737c899/5e9e571b67214d2ca30059a1b8dfae64 [2020-10-14 19:03:50,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:03:50,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:03:50,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:03:50,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:03:50,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:03:50,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:03:50" (1/1) ... [2020-10-14 19:03:50,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72dcb5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:50, skipping insertion in model container [2020-10-14 19:03:50,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:03:50" (1/1) ... [2020-10-14 19:03:50,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:03:50,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:03:51,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:03:51,248 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:03:51,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:03:51,375 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:03:51,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:51 WrapperNode [2020-10-14 19:03:51,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:03:51,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:03:51,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:03:51,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:03:51,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:51" (1/1) ... [2020-10-14 19:03:51,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:51" (1/1) ... [2020-10-14 19:03:51,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:51" (1/1) ... [2020-10-14 19:03:51,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:51" (1/1) ... [2020-10-14 19:03:51,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:51" (1/1) ... [2020-10-14 19:03:51,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:51" (1/1) ... [2020-10-14 19:03:51,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:51" (1/1) ... [2020-10-14 19:03:51,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:03:51,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:03:51,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:03:51,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:03:51,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:51" (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 19:03:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:03:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:03:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:03:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:03:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:03:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:03:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:03:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:03:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:03:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:03:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:03:53,023 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:03:53,023 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:03:53,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:03:53 BoogieIcfgContainer [2020-10-14 19:03:53,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:03:53,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:03:53,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:03:53,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:03:53,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:03:50" (1/3) ... [2020-10-14 19:03:53,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ee105a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:03:53, skipping insertion in model container [2020-10-14 19:03:53,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:51" (2/3) ... [2020-10-14 19:03:53,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ee105a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:03:53, skipping insertion in model container [2020-10-14 19:03:53,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:03:53" (3/3) ... [2020-10-14 19:03:53,039 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label20.c [2020-10-14 19:03:53,049 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:03:53,057 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:03:53,071 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:03:53,094 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:03:53,095 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:03:53,095 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:03:53,095 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:03:53,095 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:03:53,095 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:03:53,095 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:03:53,096 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:03:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-14 19:03:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 19:03:53,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:53,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:03:53,134 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:53,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:53,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1090826438, now seen corresponding path program 1 times [2020-10-14 19:03:53,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:53,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269100762] [2020-10-14 19:03:53,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:53,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:53,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:54,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:54,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 19:03:54,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:03:54,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1474 [2020-10-14 19:03:54,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:54,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:54,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:03:54,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:03:54,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 19:03:54,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 19:03:55,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:03:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:55,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:55,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:55,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:03:55,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:55,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 19:03:55,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:55,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:55,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:03:55,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:55,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:03:55,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:03:55,199 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 19:03:55,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269100762] [2020-10-14 19:03:55,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:03:55,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 19:03:55,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957108952] [2020-10-14 19:03:55,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:03:55,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:03:55,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:03:55,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:03:55,252 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-10-14 19:03:57,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:03:57,224 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-10-14 19:03:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:03:57,226 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-10-14 19:03:57,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:03:57,244 INFO L225 Difference]: With dead ends: 557 [2020-10-14 19:03:57,244 INFO L226 Difference]: Without dead ends: 286 [2020-10-14 19:03:57,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:03:57,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-14 19:03:57,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-10-14 19:03:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-14 19:03:57,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 396 transitions. [2020-10-14 19:03:57,333 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 396 transitions. Word has length 78 [2020-10-14 19:03:57,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:03:57,334 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 396 transitions. [2020-10-14 19:03:57,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:03:57,334 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 396 transitions. [2020-10-14 19:03:57,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 19:03:57,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:57,339 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:03:57,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:03:57,340 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:57,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:57,341 INFO L82 PathProgramCache]: Analyzing trace with hash -2093961699, now seen corresponding path program 1 times [2020-10-14 19:03:57,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:57,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064657716] [2020-10-14 19:03:57,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:57,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:57,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:58,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:58,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:58,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 19:03:58,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:03:58,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 943 [2020-10-14 19:03:58,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:58,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:03:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 19:03:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 19:03:58,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:58,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:03:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:58,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:58,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:58,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:03:58,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:58,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:03:58,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:58,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:58,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:03:58,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:58,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:03:58,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:58,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:03:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:58,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:58,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:58,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 19:03:58,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:58,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 19:03:58,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:58,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:03:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 19:03:58,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 19:03:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:03:58,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064657716] [2020-10-14 19:03:58,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:03:58,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:03:58,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808225035] [2020-10-14 19:03:58,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:03:58,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:03:58,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:03:58,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:03:58,528 INFO L87 Difference]: Start difference. First operand 280 states and 396 transitions. Second operand 5 states. [2020-10-14 19:03:59,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:03:59,684 INFO L93 Difference]: Finished difference Result 697 states and 1007 transitions. [2020-10-14 19:03:59,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:03:59,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-10-14 19:03:59,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:03:59,690 INFO L225 Difference]: With dead ends: 697 [2020-10-14 19:03:59,691 INFO L226 Difference]: Without dead ends: 423 [2020-10-14 19:03:59,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:03:59,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-10-14 19:03:59,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 419. [2020-10-14 19:03:59,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-10-14 19:03:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 564 transitions. [2020-10-14 19:03:59,732 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 564 transitions. Word has length 88 [2020-10-14 19:03:59,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:03:59,733 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 564 transitions. [2020-10-14 19:03:59,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:03:59,734 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 564 transitions. [2020-10-14 19:03:59,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 19:03:59,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:59,744 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:03:59,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:03:59,744 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:59,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:59,747 INFO L82 PathProgramCache]: Analyzing trace with hash 311463443, now seen corresponding path program 1 times [2020-10-14 19:03:59,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:59,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143374557] [2020-10-14 19:03:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:59,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:59,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:00,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:00,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 19:04:00,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:00,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1110 [2020-10-14 19:04:00,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:00,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:00,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 19:04:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 19:04:00,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:01,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:01,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:01,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:01,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:01,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:04:01,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:01,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:01,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:01,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:01,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:01,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:01,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 19:04:01,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:01,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 19:04:01,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:01,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:01,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:01,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:01,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 19:04:01,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:04:01,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [143374557] [2020-10-14 19:04:01,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:01,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:04:01,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724278479] [2020-10-14 19:04:01,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:04:01,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:01,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:04:01,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:04:01,235 INFO L87 Difference]: Start difference. First operand 419 states and 564 transitions. Second operand 6 states. [2020-10-14 19:04:02,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:02,854 INFO L93 Difference]: Finished difference Result 1521 states and 2069 transitions. [2020-10-14 19:04:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:04:02,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-10-14 19:04:02,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:02,867 INFO L225 Difference]: With dead ends: 1521 [2020-10-14 19:04:02,867 INFO L226 Difference]: Without dead ends: 1108 [2020-10-14 19:04:02,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:04:02,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-10-14 19:04:02,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 832. [2020-10-14 19:04:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-10-14 19:04:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1099 transitions. [2020-10-14 19:04:02,949 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1099 transitions. Word has length 95 [2020-10-14 19:04:02,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:02,950 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1099 transitions. [2020-10-14 19:04:02,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:04:02,951 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1099 transitions. [2020-10-14 19:04:02,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-14 19:04:02,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:02,957 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:04:02,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:04:02,958 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:02,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:02,958 INFO L82 PathProgramCache]: Analyzing trace with hash 616927981, now seen corresponding path program 1 times [2020-10-14 19:04:02,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:02,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503107137] [2020-10-14 19:04:02,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:03,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:03,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:04,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:04,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 19:04:04,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:04,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1091 [2020-10-14 19:04:04,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:04,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 19:04:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 19:04:04,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:04,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:04,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:04,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:04,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:04,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:04,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:04:04,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:04,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:04,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:04,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:04,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:04,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:04,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:04,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:04,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:04:04,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:04,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 19:04:04,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:04,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:04,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 19:04:04,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:04:04,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503107137] [2020-10-14 19:04:04,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:04,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:04:04,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348117812] [2020-10-14 19:04:04,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:04:04,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:04,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:04:04,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:04:04,298 INFO L87 Difference]: Start difference. First operand 832 states and 1099 transitions. Second operand 6 states. [2020-10-14 19:04:05,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:05,368 INFO L93 Difference]: Finished difference Result 2488 states and 3349 transitions. [2020-10-14 19:04:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:04:05,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2020-10-14 19:04:05,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:05,383 INFO L225 Difference]: With dead ends: 2488 [2020-10-14 19:04:05,383 INFO L226 Difference]: Without dead ends: 1662 [2020-10-14 19:04:05,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:04:05,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2020-10-14 19:04:05,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1251. [2020-10-14 19:04:05,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1251 states. [2020-10-14 19:04:05,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1672 transitions. [2020-10-14 19:04:05,499 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1672 transitions. Word has length 112 [2020-10-14 19:04:05,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:05,500 INFO L479 AbstractCegarLoop]: Abstraction has 1251 states and 1672 transitions. [2020-10-14 19:04:05,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:04:05,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1672 transitions. [2020-10-14 19:04:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 19:04:05,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:05,510 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:04:05,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:04:05,511 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:05,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:05,511 INFO L82 PathProgramCache]: Analyzing trace with hash -610577308, now seen corresponding path program 1 times [2020-10-14 19:04:05,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:05,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138812224] [2020-10-14 19:04:05,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:05,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:06,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:06,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:06,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 19:04:06,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:04:06,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1425 [2020-10-14 19:04:06,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:06,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:04:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:04:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 19:04:06,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:07,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:07,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:07,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:07,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:07,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:07,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 19:04:07,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:07,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:07,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:07,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:07,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:04:07,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:07,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:07,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:07,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:07,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:07,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 19:04:07,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 19:04:07,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:07,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:07,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 19:04:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:07,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 19:04:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:07,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:07,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:07,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:04:07,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:07,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 19:04:07,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:07,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:07,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:07,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 19:04:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 19:04:07,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138812224] [2020-10-14 19:04:07,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:07,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:04:07,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435194302] [2020-10-14 19:04:07,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:04:07,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:07,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:04:07,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:04:07,362 INFO L87 Difference]: Start difference. First operand 1251 states and 1672 transitions. Second operand 7 states. [2020-10-14 19:04:08,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:08,684 INFO L93 Difference]: Finished difference Result 2679 states and 3645 transitions. [2020-10-14 19:04:08,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 19:04:08,685 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2020-10-14 19:04:08,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:08,694 INFO L225 Difference]: With dead ends: 2679 [2020-10-14 19:04:08,695 INFO L226 Difference]: Without dead ends: 1434 [2020-10-14 19:04:08,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 19:04:08,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2020-10-14 19:04:08,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1116. [2020-10-14 19:04:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-14 19:04:08,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1439 transitions. [2020-10-14 19:04:08,752 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1439 transitions. Word has length 133 [2020-10-14 19:04:08,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:08,752 INFO L479 AbstractCegarLoop]: Abstraction has 1116 states and 1439 transitions. [2020-10-14 19:04:08,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:04:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1439 transitions. [2020-10-14 19:04:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 19:04:08,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:08,784 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:04:08,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:04:08,784 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:08,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:08,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1811947670, now seen corresponding path program 1 times [2020-10-14 19:04:08,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:08,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202963625] [2020-10-14 19:04:08,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:08,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:08,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:10,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:10,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 19:04:10,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:10,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1334 [2020-10-14 19:04:10,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:10,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 19:04:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 19:04:10,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:10,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:10,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:10,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:10,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:10,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:04:10,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:10,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:10,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:10,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:10,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:10,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:10,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:10,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:10,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 19:04:10,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:10,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 19:04:10,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:10,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 19:04:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:10,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:10,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:10,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:04:10,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:10,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 19:04:10,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:10,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:10,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:10,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:10,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 19:04:10,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 19:04:10,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202963625] [2020-10-14 19:04:10,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:10,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 19:04:10,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332425880] [2020-10-14 19:04:10,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 19:04:10,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:10,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 19:04:10,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:04:10,559 INFO L87 Difference]: Start difference. First operand 1116 states and 1439 transitions. Second operand 8 states. [2020-10-14 19:04:11,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:11,842 INFO L93 Difference]: Finished difference Result 2675 states and 3489 transitions. [2020-10-14 19:04:11,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 19:04:11,844 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-10-14 19:04:11,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:11,855 INFO L225 Difference]: With dead ends: 2675 [2020-10-14 19:04:11,856 INFO L226 Difference]: Without dead ends: 1565 [2020-10-14 19:04:11,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:04:11,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2020-10-14 19:04:11,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1555. [2020-10-14 19:04:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1555 states. [2020-10-14 19:04:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 1955 transitions. [2020-10-14 19:04:11,920 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 1955 transitions. Word has length 138 [2020-10-14 19:04:11,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:11,920 INFO L479 AbstractCegarLoop]: Abstraction has 1555 states and 1955 transitions. [2020-10-14 19:04:11,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 19:04:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1955 transitions. [2020-10-14 19:04:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-14 19:04:11,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:11,926 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:04:11,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 19:04:11,927 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:11,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:11,927 INFO L82 PathProgramCache]: Analyzing trace with hash 2002296606, now seen corresponding path program 1 times [2020-10-14 19:04:11,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:11,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710693096] [2020-10-14 19:04:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:11,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:12,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:12,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:15,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:15,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-14 19:04:15,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:04:15,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3218 [2020-10-14 19:04:15,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:15,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 19:04:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 19:04:15,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 19:04:15,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:15,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:15,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:15,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:15,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:15,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:04:15,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:15,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:15,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:15,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:15,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:15,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:15,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:15,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:04:15,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:15,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:04:15,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:15,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:15,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:15,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:15,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:15,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:15,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 19:04:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:15,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:15,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:15,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:15,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:04:15,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:15,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:04:15,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 19:04:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:15,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:15,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:15,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 19:04:15,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:15,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 19:04:15,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:15,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 19:04:15,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:15,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 19:04:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:15,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:15,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:15,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:04:15,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:15,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 19:04:15,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:15,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:15,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 19:04:15,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-14 19:04:15,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710693096] [2020-10-14 19:04:15,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:15,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:04:15,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199430650] [2020-10-14 19:04:15,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:04:15,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:15,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:04:15,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:04:15,698 INFO L87 Difference]: Start difference. First operand 1555 states and 1955 transitions. Second operand 7 states. [2020-10-14 19:04:17,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:17,891 INFO L93 Difference]: Finished difference Result 3881 states and 5160 transitions. [2020-10-14 19:04:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 19:04:17,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 178 [2020-10-14 19:04:17,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:17,904 INFO L225 Difference]: With dead ends: 3881 [2020-10-14 19:04:17,904 INFO L226 Difference]: Without dead ends: 2189 [2020-10-14 19:04:17,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 19:04:17,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2020-10-14 19:04:17,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2121. [2020-10-14 19:04:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2121 states. [2020-10-14 19:04:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2571 transitions. [2020-10-14 19:04:17,980 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2571 transitions. Word has length 178 [2020-10-14 19:04:17,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:17,981 INFO L479 AbstractCegarLoop]: Abstraction has 2121 states and 2571 transitions. [2020-10-14 19:04:17,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:04:17,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2571 transitions. [2020-10-14 19:04:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-14 19:04:17,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:17,990 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-14 19:04:17,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 19:04:17,990 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:17,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:17,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1994186042, now seen corresponding path program 1 times [2020-10-14 19:04:17,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:17,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637208934] [2020-10-14 19:04:17,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:18,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:18,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:19,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:19,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-14 19:04:19,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1065 [2020-10-14 19:04:19,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:19,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:04:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:04:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 19:04:19,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:19,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:19,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:19,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:19,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:19,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:19,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:04:19,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:19,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:04:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:19,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:19,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:19,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:19,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:19,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:04:19,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:19,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 19:04:19,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:19,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:19,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:19,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:19,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 19:04:19,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:19,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 19:04:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:19,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:19,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:19,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:19,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:19,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 19:04:19,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:19,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:19,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:19,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:19,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 19:04:19,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:19,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 19:04:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:19,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:19,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:19,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 19:04:19,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 19:04:19,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:19,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:19,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 19:04:19,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:19,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:19,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 19:04:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:19,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:19,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:19,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:04:19,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:19,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 19:04:19,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:19,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 19:04:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:19,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 121 proven. 34 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-14 19:04:19,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637208934] [2020-10-14 19:04:19,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:19,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 19:04:19,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081319301] [2020-10-14 19:04:19,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 19:04:19,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:19,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 19:04:19,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:04:19,518 INFO L87 Difference]: Start difference. First operand 2121 states and 2571 transitions. Second operand 8 states. [2020-10-14 19:04:21,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:21,047 INFO L93 Difference]: Finished difference Result 5376 states and 6694 transitions. [2020-10-14 19:04:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 19:04:21,048 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2020-10-14 19:04:21,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:21,062 INFO L225 Difference]: With dead ends: 5376 [2020-10-14 19:04:21,062 INFO L226 Difference]: Without dead ends: 3100 [2020-10-14 19:04:21,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-14 19:04:21,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3100 states. [2020-10-14 19:04:21,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3100 to 2526. [2020-10-14 19:04:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2526 states. [2020-10-14 19:04:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 2827 transitions. [2020-10-14 19:04:21,150 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 2827 transitions. Word has length 198 [2020-10-14 19:04:21,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:21,151 INFO L479 AbstractCegarLoop]: Abstraction has 2526 states and 2827 transitions. [2020-10-14 19:04:21,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 19:04:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2827 transitions. [2020-10-14 19:04:21,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-14 19:04:21,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:21,159 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 19:04:21,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 19:04:21,160 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:21,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:21,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1233726317, now seen corresponding path program 1 times [2020-10-14 19:04:21,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:21,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260642497] [2020-10-14 19:04:21,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:21,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:21,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:21,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:24,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:24,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-14 19:04:24,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:04:24,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2900 [2020-10-14 19:04:24,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:24,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:24,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:04:24,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:04:24,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 19:04:24,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:24,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:24,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:24,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:24,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:24,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:24,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:04:24,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:24,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:24,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:24,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:24,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:04:24,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:24,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:24,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:24,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:24,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 19:04:24,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:24,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:04:24,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:24,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 19:04:24,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:24,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 19:04:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:24,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:24,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:24,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 19:04:24,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:24,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 19:04:24,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:24,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 19:04:24,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:24,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 19:04:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:24,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:24,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:24,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:24,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:24,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:04:24,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:24,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:24,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:24,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 19:04:24,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:24,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:24,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 19:04:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:24,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:24,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:24,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 19:04:24,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:24,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 19:04:24,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:24,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:24,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:24,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 19:04:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:24,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 19:04:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:24,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:24,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:24,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:04:24,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:24,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 19:04:24,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:24,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 19:04:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:24,517 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 142 proven. 63 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-14 19:04:24,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260642497] [2020-10-14 19:04:24,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:24,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 19:04:24,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817687243] [2020-10-14 19:04:24,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 19:04:24,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:24,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 19:04:24,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:04:24,520 INFO L87 Difference]: Start difference. First operand 2526 states and 2827 transitions. Second operand 8 states. [2020-10-14 19:04:26,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:26,093 INFO L93 Difference]: Finished difference Result 5912 states and 6784 transitions. [2020-10-14 19:04:26,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 19:04:26,094 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 221 [2020-10-14 19:04:26,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:26,111 INFO L225 Difference]: With dead ends: 5912 [2020-10-14 19:04:26,111 INFO L226 Difference]: Without dead ends: 3392 [2020-10-14 19:04:26,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-14 19:04:26,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3392 states. [2020-10-14 19:04:26,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3392 to 2959. [2020-10-14 19:04:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2959 states. [2020-10-14 19:04:26,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 3308 transitions. [2020-10-14 19:04:26,216 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 3308 transitions. Word has length 221 [2020-10-14 19:04:26,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:26,216 INFO L479 AbstractCegarLoop]: Abstraction has 2959 states and 3308 transitions. [2020-10-14 19:04:26,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 19:04:26,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 3308 transitions. [2020-10-14 19:04:26,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-14 19:04:26,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:26,228 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 19:04:26,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 19:04:26,229 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:26,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:26,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1950272130, now seen corresponding path program 1 times [2020-10-14 19:04:26,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:26,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038980985] [2020-10-14 19:04:26,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:26,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:26,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:28,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:28,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-14 19:04:28,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1795 [2020-10-14 19:04:28,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:28,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:04:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:04:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 19:04:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:28,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:28,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:28,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:28,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:28,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:28,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:04:28,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:28,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:28,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:28,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:28,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:04:28,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:28,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:28,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:28,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:28,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 19:04:28,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:28,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 19:04:28,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:28,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 19:04:28,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:28,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 19:04:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:28,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:28,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:28,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:28,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:28,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:04:28,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:28,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 19:04:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:28,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 19:04:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:28,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:28,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:28,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 19:04:28,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 19:04:28,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:28,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:28,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:28,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 19:04:28,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:28,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:28,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 19:04:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:28,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:28,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:28,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:04:28,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:28,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 19:04:28,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:28,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 19:04:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:28,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 136 proven. 78 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-14 19:04:28,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038980985] [2020-10-14 19:04:28,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:28,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:04:28,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468910767] [2020-10-14 19:04:28,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:04:28,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:28,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:04:28,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:04:28,549 INFO L87 Difference]: Start difference. First operand 2959 states and 3308 transitions. Second operand 7 states. [2020-10-14 19:04:29,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:29,650 INFO L93 Difference]: Finished difference Result 6143 states and 7064 transitions. [2020-10-14 19:04:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 19:04:29,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-10-14 19:04:29,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:29,666 INFO L225 Difference]: With dead ends: 6143 [2020-10-14 19:04:29,666 INFO L226 Difference]: Without dead ends: 3190 [2020-10-14 19:04:29,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 19:04:29,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2020-10-14 19:04:29,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 3096. [2020-10-14 19:04:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3096 states. [2020-10-14 19:04:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 3450 transitions. [2020-10-14 19:04:29,771 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 3450 transitions. Word has length 226 [2020-10-14 19:04:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:29,771 INFO L479 AbstractCegarLoop]: Abstraction has 3096 states and 3450 transitions. [2020-10-14 19:04:29,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:04:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 3450 transitions. [2020-10-14 19:04:29,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 19:04:29,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:29,782 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 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 19:04:29,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 19:04:29,782 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:29,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:29,783 INFO L82 PathProgramCache]: Analyzing trace with hash -894985831, now seen corresponding path program 1 times [2020-10-14 19:04:29,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:29,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461775591] [2020-10-14 19:04:29,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:29,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:29,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:31,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:31,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-14 19:04:31,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:31,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1223 [2020-10-14 19:04:31,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:31,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 19:04:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 19:04:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:31,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:31,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:31,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:31,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:31,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:31,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:04:31,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:31,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:31,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:31,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:31,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:31,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:31,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 19:04:31,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:31,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:04:31,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:31,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 19:04:31,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:31,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 19:04:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:31,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:31,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:31,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 19:04:31,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:31,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 19:04:31,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:31,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 19:04:31,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:31,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 19:04:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:31,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:31,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:31,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:31,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:31,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:04:31,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:31,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:31,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:31,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 19:04:31,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:31,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:31,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 19:04:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:31,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:31,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:31,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 19:04:31,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:31,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 19:04:31,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:31,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 19:04:31,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:31,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:31,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 19:04:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:31,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:31,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:31,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:04:31,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:31,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 19:04:31,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:31,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:31,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:31,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 19:04:31,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:31,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 158 proven. 86 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-14 19:04:31,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [461775591] [2020-10-14 19:04:31,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:31,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:04:31,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407286611] [2020-10-14 19:04:31,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:04:31,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:31,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:04:31,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:04:31,486 INFO L87 Difference]: Start difference. First operand 3096 states and 3450 transitions. Second operand 7 states. [2020-10-14 19:04:32,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:32,635 INFO L93 Difference]: Finished difference Result 6061 states and 6771 transitions. [2020-10-14 19:04:32,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:04:32,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-10-14 19:04:32,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:32,650 INFO L225 Difference]: With dead ends: 6061 [2020-10-14 19:04:32,651 INFO L226 Difference]: Without dead ends: 3108 [2020-10-14 19:04:32,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:04:32,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2020-10-14 19:04:32,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 3094. [2020-10-14 19:04:32,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3094 states. [2020-10-14 19:04:32,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 3094 states and 3422 transitions. [2020-10-14 19:04:32,775 INFO L78 Accepts]: Start accepts. Automaton has 3094 states and 3422 transitions. Word has length 234 [2020-10-14 19:04:32,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:32,775 INFO L479 AbstractCegarLoop]: Abstraction has 3094 states and 3422 transitions. [2020-10-14 19:04:32,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:04:32,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 3422 transitions. [2020-10-14 19:04:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-14 19:04:32,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:32,785 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 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 19:04:32,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 19:04:32,786 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:32,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:32,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1209813787, now seen corresponding path program 1 times [2020-10-14 19:04:32,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:32,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1828499636] [2020-10-14 19:04:32,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:32,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-14 19:04:33,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:33,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-14 19:04:33,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:33,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 19:04:33,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 19:04:33,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:33,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:33,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:33,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 19:04:33,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:33,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:33,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:33,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:33,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:33,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 19:04:33,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:33,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:04:33,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:33,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:33,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:33,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:33,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 19:04:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:33,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 19:04:33,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 19:04:33,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 19:04:33,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:33,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 19:04:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:33,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:33,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:33,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 19:04:33,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 19:04:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:33,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 19:04:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:33,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 19:04:33,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:33,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 19:04:33,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 19:04:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:33,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:33,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 19:04:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:33,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:04:33,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:33,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 19:04:33,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 19:04:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:33,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:33,610 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 219 proven. 26 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2020-10-14 19:04:33,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1828499636] [2020-10-14 19:04:33,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:33,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:04:33,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182075582] [2020-10-14 19:04:33,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:04:33,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:33,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:04:33,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:04:33,612 INFO L87 Difference]: Start difference. First operand 3094 states and 3422 transitions. Second operand 7 states. [2020-10-14 19:04:34,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:34,743 INFO L93 Difference]: Finished difference Result 6059 states and 6716 transitions. [2020-10-14 19:04:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:04:34,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 267 [2020-10-14 19:04:34,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:34,756 INFO L225 Difference]: With dead ends: 6059 [2020-10-14 19:04:34,757 INFO L226 Difference]: Without dead ends: 3108 [2020-10-14 19:04:34,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:04:34,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2020-10-14 19:04:34,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 3094. [2020-10-14 19:04:34,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3094 states. [2020-10-14 19:04:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 3094 states and 3406 transitions. [2020-10-14 19:04:34,836 INFO L78 Accepts]: Start accepts. Automaton has 3094 states and 3406 transitions. Word has length 267 [2020-10-14 19:04:34,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:34,836 INFO L479 AbstractCegarLoop]: Abstraction has 3094 states and 3406 transitions. [2020-10-14 19:04:34,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:04:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 3406 transitions. [2020-10-14 19:04:34,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-14 19:04:34,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:34,847 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 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] [2020-10-14 19:04:34,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 19:04:34,847 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:34,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:34,847 INFO L82 PathProgramCache]: Analyzing trace with hash -214307026, now seen corresponding path program 1 times [2020-10-14 19:04:34,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:34,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692643786] [2020-10-14 19:04:34,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:34,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:35,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:36,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:36,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-14 19:04:36,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1194 [2020-10-14 19:04:36,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:36,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:36,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:04:36,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 19:04:36,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 19:04:36,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:36,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:36,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:36,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:36,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:36,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:36,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:04:36,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:36,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:36,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:36,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:36,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:36,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:36,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:36,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 19:04:36,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:36,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 19:04:36,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:36,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:36,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:36,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 19:04:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:36,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:36,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:36,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 19:04:36,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:36,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 19:04:36,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:36,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 19:04:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:36,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 19:04:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:36,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:36,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:36,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:36,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 19:04:36,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:36,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 19:04:36,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:36,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 19:04:36,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:36,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 19:04:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:36,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:36,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:36,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:36,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:36,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 19:04:36,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:36,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:36,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:36,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 19:04:36,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:36,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 19:04:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:36,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:36,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:36,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 19:04:36,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:36,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 19:04:36,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:36,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:36,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:36,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 19:04:36,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:36,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:36,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 19:04:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:36,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:36,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:36,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:04:36,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:36,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 19:04:36,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:36,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:36,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:36,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 19:04:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:36,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 265 proven. 46 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-10-14 19:04:36,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692643786] [2020-10-14 19:04:36,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:36,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 19:04:36,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790145362] [2020-10-14 19:04:36,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 19:04:36,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:36,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 19:04:36,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 19:04:36,514 INFO L87 Difference]: Start difference. First operand 3094 states and 3406 transitions. Second operand 9 states. [2020-10-14 19:04:38,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:38,056 INFO L93 Difference]: Finished difference Result 6468 states and 7133 transitions. [2020-10-14 19:04:38,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 19:04:38,057 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 280 [2020-10-14 19:04:38,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:38,080 INFO L225 Difference]: With dead ends: 6468 [2020-10-14 19:04:38,081 INFO L226 Difference]: Without dead ends: 3378 [2020-10-14 19:04:38,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2020-10-14 19:04:38,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3378 states. [2020-10-14 19:04:38,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3378 to 3233. [2020-10-14 19:04:38,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3233 states. [2020-10-14 19:04:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 3233 states and 3535 transitions. [2020-10-14 19:04:38,179 INFO L78 Accepts]: Start accepts. Automaton has 3233 states and 3535 transitions. Word has length 280 [2020-10-14 19:04:38,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:38,179 INFO L479 AbstractCegarLoop]: Abstraction has 3233 states and 3535 transitions. [2020-10-14 19:04:38,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 19:04:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 3535 transitions. [2020-10-14 19:04:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-14 19:04:38,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:38,190 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 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] [2020-10-14 19:04:38,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 19:04:38,191 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:38,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:38,191 INFO L82 PathProgramCache]: Analyzing trace with hash 200759682, now seen corresponding path program 1 times [2020-10-14 19:04:38,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:38,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125430817] [2020-10-14 19:04:38,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 19:04:38,269 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 19:04:38,269 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 19:04:38,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 19:04:38,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:04:38 BoogieIcfgContainer [2020-10-14 19:04:38,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:04:38,369 INFO L168 Benchmark]: Toolchain (without parser) took 47748.08 ms. Allocated memory was 147.3 MB in the beginning and 892.3 MB in the end (delta: 745.0 MB). Free memory was 101.5 MB in the beginning and 575.8 MB in the end (delta: -474.3 MB). Peak memory consumption was 270.7 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:38,370 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 19:04:38,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.42 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 101.5 MB in the beginning and 171.5 MB in the end (delta: -69.9 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:38,372 INFO L168 Benchmark]: Boogie Preprocessor took 114.94 ms. Allocated memory is still 206.0 MB. Free memory was 171.5 MB in the beginning and 165.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:38,380 INFO L168 Benchmark]: RCFGBuilder took 1538.00 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 165.6 MB in the beginning and 172.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:38,385 INFO L168 Benchmark]: TraceAbstraction took 45332.92 ms. Allocated memory was 235.4 MB in the beginning and 892.3 MB in the end (delta: 656.9 MB). Free memory was 172.8 MB in the beginning and 575.8 MB in the end (delta: -403.0 MB). Peak memory consumption was 254.0 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:38,394 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 755.42 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 101.5 MB in the beginning and 171.5 MB in the end (delta: -69.9 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.94 ms. Allocated memory is still 206.0 MB. Free memory was 171.5 MB in the beginning and 165.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1538.00 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 165.6 MB in the beginning and 172.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 45332.92 ms. Allocated memory was 235.4 MB in the beginning and 892.3 MB in the end (delta: 656.9 MB). Free memory was 172.8 MB in the beginning and 575.8 MB in the end (delta: -403.0 MB). Peak memory consumption was 254.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 392]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int a= 1; [L8] int d= 4; [L9] int e= 5; [L10] int f= 6; [L11] int c= 3; [L12] int b= 2; [L15] int u = 21; [L16] int v = 22; [L17] int w = 23; [L18] int x = 24; [L19] int y = 25; [L20] int z = 26; [L22] int a17 = 1; [L23] int a7 = 0; [L24] int a20 = 1; [L25] int a8 = 15; [L26] int a12 = 8; [L27] int a16 = 5; [L28] int a21 = 1; [L580] int output = -1; [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L273] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L278] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L292] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L299] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L312] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L316] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) [L318] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) [L324] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) [L329] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) [L333] COND TRUE ((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15))) [L334] a17 = 0 [L335] a16 = 4 [L336] return 21; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L268] COND TRUE (((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4)) [L269] a20 = 0 [L270] a17 = 1 [L271] a16 = 6 [L272] return 21; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND TRUE (((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6)) [L63] a17 = 0 [L64] return 26; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND TRUE ((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))))))) [L73] a7 = 1 [L74] a17 = 1 [L75] a21 = 0 [L76] a20 = 1 [L77] a8 = 13 [L78] a16 = 5 [L79] return 26; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L261] COND TRUE ((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5)) [L262] a16 = 4 [L263] a20 = 0 [L264] return 25; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND TRUE ((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1))))))))) [L239] a20 = 0 [L240] a21 = 1 [L241] a17 = 0 [L242] a8 = 14 [L243] a16 = 4 [L244] return -1; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L273] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L278] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L292] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L299] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L312] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L316] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) [L318] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) [L324] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) [L329] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) [L333] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) [L337] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) [L345] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) [L353] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) [L355] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) [L361] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) [L363] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) [L365] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) [L372] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) [L377] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) [L382] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) [L391] COND TRUE ((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1)) [L392] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 45.1s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 359 SDtfs, 5920 SDslu, 475 SDs, 0 SdLazy, 10208 SolverSat, 1438 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 143 SyntacticMatches, 5 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3233occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 2367 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 23.3s InterpolantComputationTime, 2562 NumberOfCodeBlocks, 2562 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2235 ConstructedInterpolants, 0 QuantifiedInterpolants, 1377597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 2212/2554 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...