/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:59:23,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:59:23,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:59:23,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:59:23,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:59:23,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:59:23,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:59:23,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:59:23,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:59:23,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:59:23,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:59:23,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:59:23,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:59:23,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:59:23,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:59:23,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:59:23,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:59:23,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:59:23,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:59:23,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:59:23,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:59:23,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:59:23,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:59:23,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:59:23,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:59:23,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:59:23,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:59:23,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:59:23,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:59:23,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:59:23,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:59:23,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:59:23,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:59:23,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:59:23,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:59:23,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:59:23,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:59:23,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:59:23,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:59:23,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:59:23,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:59:23,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:59:23,275 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:59:23,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:59:23,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:59:23,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:59:23,277 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:59:23,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:59:23,277 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:59:23,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:59:23,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:59:23,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:59:23,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:59:23,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:59:23,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:59:23,281 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:59:23,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:59:23,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:59:23,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:59:23,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:59:23,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:59:23,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:59:23,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:59:23,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:59:23,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:59:23,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:59:23,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:59:23,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:59:23,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:59:23,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:59:23,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:59:23,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:59:23,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:59:23,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:59:23,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:59:23,618 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:59:23,619 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:59:23,620 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label31.c [2020-10-14 20:59:23,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01f53893a/593eca1b54004caf8e55268dc4a3e42f/FLAGf3f8f8393 [2020-10-14 20:59:24,290 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:59:24,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label31.c [2020-10-14 20:59:24,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01f53893a/593eca1b54004caf8e55268dc4a3e42f/FLAGf3f8f8393 [2020-10-14 20:59:24,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01f53893a/593eca1b54004caf8e55268dc4a3e42f [2020-10-14 20:59:24,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:59:24,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:59:24,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:59:24,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:59:24,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:59:24,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:59:24" (1/1) ... [2020-10-14 20:59:24,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4076c4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:24, skipping insertion in model container [2020-10-14 20:59:24,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:59:24" (1/1) ... [2020-10-14 20:59:24,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:59:24,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:59:25,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:59:25,291 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:59:25,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:59:25,523 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:59:25,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:25 WrapperNode [2020-10-14 20:59:25,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:59:25,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:59:25,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:59:25,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:59:25,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:25" (1/1) ... [2020-10-14 20:59:25,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:25" (1/1) ... [2020-10-14 20:59:25,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:25" (1/1) ... [2020-10-14 20:59:25,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:25" (1/1) ... [2020-10-14 20:59:25,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:25" (1/1) ... [2020-10-14 20:59:25,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:25" (1/1) ... [2020-10-14 20:59:25,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:25" (1/1) ... [2020-10-14 20:59:25,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:59:25,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:59:25,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:59:25,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:59:25,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:59:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:59:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:59:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:59:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:59:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:59:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:59:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:59:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:59:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:59:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:59:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:59:27,962 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:59:27,962 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:59:27,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:59:27 BoogieIcfgContainer [2020-10-14 20:59:27,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:59:27,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:59:27,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:59:27,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:59:27,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:59:24" (1/3) ... [2020-10-14 20:59:27,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4243294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:59:27, skipping insertion in model container [2020-10-14 20:59:27,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:59:25" (2/3) ... [2020-10-14 20:59:27,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4243294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:59:27, skipping insertion in model container [2020-10-14 20:59:27,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:59:27" (3/3) ... [2020-10-14 20:59:27,978 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label31.c [2020-10-14 20:59:27,989 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:59:27,998 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:59:28,012 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:59:28,039 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:59:28,039 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:59:28,039 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:59:28,040 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:59:28,040 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:59:28,040 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:59:28,040 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:59:28,040 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:59:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 20:59:28,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-14 20:59:28,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:28,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:28,074 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:28,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:28,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1471389198, now seen corresponding path program 1 times [2020-10-14 20:59:28,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:28,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787262334] [2020-10-14 20:59:28,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:28,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:28,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:28,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 20:59:28,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:28,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-14 20:59:28,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:28,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:59:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:59:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 20:59:28,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:59:28,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:28,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:28,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:28,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:28,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:28,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 20:59:28,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:28,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:59:28,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:59:28,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787262334] [2020-10-14 20:59:28,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:59:28,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:59:28,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619233084] [2020-10-14 20:59:28,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:59:28,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:28,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:59:28,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:59:28,641 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 20:59:31,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:31,205 INFO L93 Difference]: Finished difference Result 806 states and 1404 transitions. [2020-10-14 20:59:31,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:59:31,207 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-14 20:59:31,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:31,225 INFO L225 Difference]: With dead ends: 806 [2020-10-14 20:59:31,226 INFO L226 Difference]: Without dead ends: 434 [2020-10-14 20:59:31,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:59:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-14 20:59:31,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 428. [2020-10-14 20:59:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-14 20:59:31,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 617 transitions. [2020-10-14 20:59:31,313 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 617 transitions. Word has length 13 [2020-10-14 20:59:31,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:31,313 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 617 transitions. [2020-10-14 20:59:31,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:59:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 617 transitions. [2020-10-14 20:59:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-14 20:59:31,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:31,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:31,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:59:31,319 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:31,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:31,319 INFO L82 PathProgramCache]: Analyzing trace with hash -534943470, now seen corresponding path program 1 times [2020-10-14 20:59:31,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:31,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983025396] [2020-10-14 20:59:31,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:31,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:32,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:32,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:59:32,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:32,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 889 [2020-10-14 20:59:32,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:32,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:32,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:59:32,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:59:32,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:59:32,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:32,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:32,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:32,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:32,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:32,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:32,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:59:32,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:32,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:32,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:32,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:32,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:59:32,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:32,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:32,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:32,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:32,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:59:32,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-14 20:59:32,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:32,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:32,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:59:32,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-14 20:59:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:59:32,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983025396] [2020-10-14 20:59:32,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:59:32,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:59:32,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868175843] [2020-10-14 20:59:32,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:32,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:32,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:32,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:32,693 INFO L87 Difference]: Start difference. First operand 428 states and 617 transitions. Second operand 7 states. [2020-10-14 20:59:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:35,484 INFO L93 Difference]: Finished difference Result 1274 states and 1874 transitions. [2020-10-14 20:59:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:59:35,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-10-14 20:59:35,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:35,492 INFO L225 Difference]: With dead ends: 1274 [2020-10-14 20:59:35,492 INFO L226 Difference]: Without dead ends: 852 [2020-10-14 20:59:35,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:35,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-14 20:59:35,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 817. [2020-10-14 20:59:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2020-10-14 20:59:35,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1098 transitions. [2020-10-14 20:59:35,559 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1098 transitions. Word has length 85 [2020-10-14 20:59:35,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:35,560 INFO L479 AbstractCegarLoop]: Abstraction has 817 states and 1098 transitions. [2020-10-14 20:59:35,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:35,560 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1098 transitions. [2020-10-14 20:59:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 20:59:35,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:35,563 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:35,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:59:35,563 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:35,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:35,564 INFO L82 PathProgramCache]: Analyzing trace with hash -87681563, now seen corresponding path program 1 times [2020-10-14 20:59:35,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:35,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377795020] [2020-10-14 20:59:35,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:35,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:35,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:36,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:36,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 20:59:36,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:36,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 923 [2020-10-14 20:59:36,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:36,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:59:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:59:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 20:59:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:36,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:36,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:36,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:36,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:36,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:36,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:59:36,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:36,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:36,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:36,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:36,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:59:36,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:36,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:36,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:36,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:36,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 20:59:36,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:36,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-14 20:59:36,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:36,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:36,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:36,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:36,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:59:36,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:59:37,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377795020] [2020-10-14 20:59:37,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:59:37,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:59:37,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54669081] [2020-10-14 20:59:37,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:37,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:37,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:37,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:37,025 INFO L87 Difference]: Start difference. First operand 817 states and 1098 transitions. Second operand 7 states. [2020-10-14 20:59:39,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:39,669 INFO L93 Difference]: Finished difference Result 2468 states and 3388 transitions. [2020-10-14 20:59:39,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:59:39,670 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-10-14 20:59:39,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:39,681 INFO L225 Difference]: With dead ends: 2468 [2020-10-14 20:59:39,682 INFO L226 Difference]: Without dead ends: 1657 [2020-10-14 20:59:39,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:39,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2020-10-14 20:59:39,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1617. [2020-10-14 20:59:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1617 states. [2020-10-14 20:59:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2027 transitions. [2020-10-14 20:59:39,745 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2027 transitions. Word has length 88 [2020-10-14 20:59:39,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:39,745 INFO L479 AbstractCegarLoop]: Abstraction has 1617 states and 2027 transitions. [2020-10-14 20:59:39,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:39,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2027 transitions. [2020-10-14 20:59:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-14 20:59:39,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:39,749 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:39,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:59:39,749 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:39,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:39,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1873483498, now seen corresponding path program 1 times [2020-10-14 20:59:39,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:39,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089108434] [2020-10-14 20:59:39,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:39,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:40,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:40,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 20:59:40,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:40,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-14 20:59:40,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:40,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:40,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:59:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 20:59:40,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:40,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:40,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:40,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:40,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:40,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:40,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:40,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:40,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:40,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:40,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:40,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:40,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:40,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:40,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:40,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:40,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 20:59:40,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:40,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:40,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:40,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:40,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:59:40,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:59:40,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089108434] [2020-10-14 20:59:40,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:40,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:59:40,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588696880] [2020-10-14 20:59:40,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:59:40,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:40,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:59:40,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:59:40,542 INFO L87 Difference]: Start difference. First operand 1617 states and 2027 transitions. Second operand 5 states. [2020-10-14 20:59:42,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:42,726 INFO L93 Difference]: Finished difference Result 3831 states and 4983 transitions. [2020-10-14 20:59:42,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:59:42,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-10-14 20:59:42,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:42,743 INFO L225 Difference]: With dead ends: 3831 [2020-10-14 20:59:42,743 INFO L226 Difference]: Without dead ends: 2408 [2020-10-14 20:59:42,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:59:42,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2020-10-14 20:59:42,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 2390. [2020-10-14 20:59:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2390 states. [2020-10-14 20:59:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2390 states and 2982 transitions. [2020-10-14 20:59:42,888 INFO L78 Accepts]: Start accepts. Automaton has 2390 states and 2982 transitions. Word has length 144 [2020-10-14 20:59:42,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:42,890 INFO L479 AbstractCegarLoop]: Abstraction has 2390 states and 2982 transitions. [2020-10-14 20:59:42,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:59:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 2982 transitions. [2020-10-14 20:59:42,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-14 20:59:42,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:42,901 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:42,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:59:42,901 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:42,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:42,902 INFO L82 PathProgramCache]: Analyzing trace with hash -467734789, now seen corresponding path program 1 times [2020-10-14 20:59:42,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:42,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017743256] [2020-10-14 20:59:42,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:43,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:44,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:44,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-14 20:59:44,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:44,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1608 [2020-10-14 20:59:44,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:44,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:44,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:44,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 20:59:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:59:44,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:44,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:44,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:44,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:44,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:44,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:44,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:59:44,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:44,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:44,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:44,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:44,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:44,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:44,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:44,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:44,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:44,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:59:44,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:44,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 20:59:44,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:44,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:44,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:44,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:44,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:59:44,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:44,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:59:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:44,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:45,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:45,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:59:45,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:45,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 20:59:45,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:45,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:59:45,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:59:45,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017743256] [2020-10-14 20:59:45,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:45,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:45,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072414202] [2020-10-14 20:59:45,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:45,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:45,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:45,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:45,229 INFO L87 Difference]: Start difference. First operand 2390 states and 2982 transitions. Second operand 7 states. [2020-10-14 20:59:47,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:47,996 INFO L93 Difference]: Finished difference Result 6089 states and 8224 transitions. [2020-10-14 20:59:47,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:59:47,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-10-14 20:59:47,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:48,024 INFO L225 Difference]: With dead ends: 6089 [2020-10-14 20:59:48,024 INFO L226 Difference]: Without dead ends: 3893 [2020-10-14 20:59:48,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:48,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3893 states. [2020-10-14 20:59:48,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3893 to 3591. [2020-10-14 20:59:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3591 states. [2020-10-14 20:59:48,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3591 states and 4369 transitions. [2020-10-14 20:59:48,149 INFO L78 Accepts]: Start accepts. Automaton has 3591 states and 4369 transitions. Word has length 202 [2020-10-14 20:59:48,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:48,149 INFO L479 AbstractCegarLoop]: Abstraction has 3591 states and 4369 transitions. [2020-10-14 20:59:48,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:48,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 4369 transitions. [2020-10-14 20:59:48,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-14 20:59:48,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:48,153 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:48,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:59:48,154 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:48,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:48,154 INFO L82 PathProgramCache]: Analyzing trace with hash 220886279, now seen corresponding path program 1 times [2020-10-14 20:59:48,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:48,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813107737] [2020-10-14 20:59:48,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:48,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:48,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:49,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:49,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-14 20:59:49,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1415 [2020-10-14 20:59:49,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:49,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:49,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:49,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 20:59:49,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:59:49,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:49,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:49,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:49,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:59:49,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:49,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:49,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:49,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:49,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:49,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:59:49,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:49,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-14 20:59:49,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:49,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 20:59:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:49,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:59:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:49,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:50,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:50,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:59:50,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:50,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 20:59:50,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:50,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:50,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:50,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:50,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:59:50,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:59:50,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813107737] [2020-10-14 20:59:50,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:50,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:50,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476736411] [2020-10-14 20:59:50,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:50,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:50,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:50,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:50,208 INFO L87 Difference]: Start difference. First operand 3591 states and 4369 transitions. Second operand 7 states. [2020-10-14 20:59:52,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:52,709 INFO L93 Difference]: Finished difference Result 8379 states and 10537 transitions. [2020-10-14 20:59:52,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:59:52,709 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2020-10-14 20:59:52,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:52,732 INFO L225 Difference]: With dead ends: 8379 [2020-10-14 20:59:52,732 INFO L226 Difference]: Without dead ends: 4982 [2020-10-14 20:59:52,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:52,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4982 states. [2020-10-14 20:59:52,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4982 to 4940. [2020-10-14 20:59:52,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4940 states. [2020-10-14 20:59:52,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4940 states to 4940 states and 5983 transitions. [2020-10-14 20:59:52,854 INFO L78 Accepts]: Start accepts. Automaton has 4940 states and 5983 transitions. Word has length 212 [2020-10-14 20:59:52,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:52,855 INFO L479 AbstractCegarLoop]: Abstraction has 4940 states and 5983 transitions. [2020-10-14 20:59:52,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:52,855 INFO L276 IsEmpty]: Start isEmpty. Operand 4940 states and 5983 transitions. [2020-10-14 20:59:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-14 20:59:52,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:52,859 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:52,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:59:52,860 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:52,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:52,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1855423344, now seen corresponding path program 1 times [2020-10-14 20:59:52,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:52,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023621587] [2020-10-14 20:59:52,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:52,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:53,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:53,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 20:59:53,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:53,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 409 [2020-10-14 20:59:53,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:53,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:59:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 20:59:53,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:53,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:53,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:53,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:53,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:53,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:53,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:53,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:53,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:53,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:53,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:53,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:53,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:53,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:59:53,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:53,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 20:59:53,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:53,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:53,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:53,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:53,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:59:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:53,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:53,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:53,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:59:53,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:53,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 20:59:53,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:53,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:53,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:53,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:59:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:59:53,712 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 20:59:53,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023621587] [2020-10-14 20:59:53,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:53,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:59:53,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129647250] [2020-10-14 20:59:53,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:59:53,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:53,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:59:53,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:59:53,715 INFO L87 Difference]: Start difference. First operand 4940 states and 5983 transitions. Second operand 5 states. [2020-10-14 20:59:56,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:56,333 INFO L93 Difference]: Finished difference Result 10503 states and 12992 transitions. [2020-10-14 20:59:56,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:59:56,334 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 213 [2020-10-14 20:59:56,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:56,366 INFO L225 Difference]: With dead ends: 10503 [2020-10-14 20:59:56,366 INFO L226 Difference]: Without dead ends: 5757 [2020-10-14 20:59:56,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 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 20:59:56,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5757 states. [2020-10-14 20:59:56,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5757 to 5727. [2020-10-14 20:59:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5727 states. [2020-10-14 20:59:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5727 states to 5727 states and 6894 transitions. [2020-10-14 20:59:56,584 INFO L78 Accepts]: Start accepts. Automaton has 5727 states and 6894 transitions. Word has length 213 [2020-10-14 20:59:56,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:56,585 INFO L479 AbstractCegarLoop]: Abstraction has 5727 states and 6894 transitions. [2020-10-14 20:59:56,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:59:56,585 INFO L276 IsEmpty]: Start isEmpty. Operand 5727 states and 6894 transitions. [2020-10-14 20:59:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-14 20:59:56,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:56,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:56,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:59:56,594 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:56,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:56,594 INFO L82 PathProgramCache]: Analyzing trace with hash 68005633, now seen corresponding path program 1 times [2020-10-14 20:59:56,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:56,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406710465] [2020-10-14 20:59:56,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:56,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:56,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:58,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:58,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 20:59:58,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:58,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1463 [2020-10-14 20:59:58,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:58,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:59:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:59:58,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:58,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:58,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:58,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:58,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:58,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:58,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:58,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:58,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:58,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:58,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:58,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:58,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:58,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:58,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:58,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 20:59:58,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:58,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:58,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:59:58,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:58,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:58,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:58,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:58,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 20:59:58,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:58,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 20:59:58,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:58,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:58,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 20:59:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:59:58,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406710465] [2020-10-14 20:59:58,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:58,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:58,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715416303] [2020-10-14 20:59:58,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:58,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:58,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:58,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:58,694 INFO L87 Difference]: Start difference. First operand 5727 states and 6894 transitions. Second operand 7 states. [2020-10-14 21:00:02,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:02,002 INFO L93 Difference]: Finished difference Result 13310 states and 16833 transitions. [2020-10-14 21:00:02,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:00:02,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-10-14 21:00:02,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:02,041 INFO L225 Difference]: With dead ends: 13310 [2020-10-14 21:00:02,042 INFO L226 Difference]: Without dead ends: 7777 [2020-10-14 21:00:02,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:02,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7777 states. [2020-10-14 21:00:02,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7777 to 7692. [2020-10-14 21:00:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7692 states. [2020-10-14 21:00:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7692 states to 7692 states and 9178 transitions. [2020-10-14 21:00:02,231 INFO L78 Accepts]: Start accepts. Automaton has 7692 states and 9178 transitions. Word has length 213 [2020-10-14 21:00:02,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:02,231 INFO L479 AbstractCegarLoop]: Abstraction has 7692 states and 9178 transitions. [2020-10-14 21:00:02,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 7692 states and 9178 transitions. [2020-10-14 21:00:02,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-14 21:00:02,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:02,235 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:02,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:00:02,236 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:02,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:02,236 INFO L82 PathProgramCache]: Analyzing trace with hash -707807671, now seen corresponding path program 1 times [2020-10-14 21:00:02,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:02,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789850416] [2020-10-14 21:00:02,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:02,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:02,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:03,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:03,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 21:00:03,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:03,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1201 [2020-10-14 21:00:03,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:03,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:03,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:03,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:00:03,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:00:03,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:03,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:03,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:03,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:03,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:03,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:03,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:03,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:03,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:03,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:03,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:03,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:03,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:03,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:03,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:03,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:03,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:03,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:03,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 21:00:03,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:03,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:03,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:03,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:00:03,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:03,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:00:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:03,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:03,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:03,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:00:03,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:03,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 21:00:03,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:03,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:03,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:03,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:03,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:00:03,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:00:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:00:04,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789850416] [2020-10-14 21:00:04,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:04,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:04,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567533128] [2020-10-14 21:00:04,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:04,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:04,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:04,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:04,077 INFO L87 Difference]: Start difference. First operand 7692 states and 9178 transitions. Second operand 7 states. [2020-10-14 21:00:07,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:07,332 INFO L93 Difference]: Finished difference Result 15811 states and 18983 transitions. [2020-10-14 21:00:07,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:00:07,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-10-14 21:00:07,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:07,373 INFO L225 Difference]: With dead ends: 15811 [2020-10-14 21:00:07,374 INFO L226 Difference]: Without dead ends: 8313 [2020-10-14 21:00:07,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:07,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8313 states. [2020-10-14 21:00:07,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8313 to 8275. [2020-10-14 21:00:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8275 states. [2020-10-14 21:00:07,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8275 states to 8275 states and 9866 transitions. [2020-10-14 21:00:07,540 INFO L78 Accepts]: Start accepts. Automaton has 8275 states and 9866 transitions. Word has length 217 [2020-10-14 21:00:07,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:07,541 INFO L479 AbstractCegarLoop]: Abstraction has 8275 states and 9866 transitions. [2020-10-14 21:00:07,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 8275 states and 9866 transitions. [2020-10-14 21:00:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-14 21:00:07,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:07,546 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:07,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:00:07,546 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:07,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:07,547 INFO L82 PathProgramCache]: Analyzing trace with hash 504488024, now seen corresponding path program 1 times [2020-10-14 21:00:07,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:07,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772147066] [2020-10-14 21:00:07,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:07,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:07,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:08,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:08,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:10,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:12,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:12,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 21:00:12,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:00:12,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4561 [2020-10-14 21:00:12,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:12,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:12,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:00:12,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:00:12,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 21:00:12,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:12,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:12,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:12,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:12,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:12,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:12,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:00:12,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:12,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:00:12,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:12,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:12,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:12,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:12,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:12,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:12,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-14 21:00:12,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:12,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 21:00:12,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:12,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:00:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:12,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:12,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:12,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:00:12,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:12,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:00:12,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:12,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:00:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:12,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:12,985 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 12 proven. 75 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:00:12,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772147066] [2020-10-14 21:00:12,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:12,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:12,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361141229] [2020-10-14 21:00:12,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:12,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:12,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:12,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:12,986 INFO L87 Difference]: Start difference. First operand 8275 states and 9866 transitions. Second operand 7 states. [2020-10-14 21:00:15,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:15,489 INFO L93 Difference]: Finished difference Result 17506 states and 21383 transitions. [2020-10-14 21:00:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:00:15,495 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 224 [2020-10-14 21:00:15,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:15,526 INFO L225 Difference]: With dead ends: 17506 [2020-10-14 21:00:15,526 INFO L226 Difference]: Without dead ends: 9425 [2020-10-14 21:00:15,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:00:15,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9425 states. [2020-10-14 21:00:15,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9425 to 9397. [2020-10-14 21:00:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9397 states. [2020-10-14 21:00:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9397 states to 9397 states and 11158 transitions. [2020-10-14 21:00:15,706 INFO L78 Accepts]: Start accepts. Automaton has 9397 states and 11158 transitions. Word has length 224 [2020-10-14 21:00:15,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:15,706 INFO L479 AbstractCegarLoop]: Abstraction has 9397 states and 11158 transitions. [2020-10-14 21:00:15,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:15,707 INFO L276 IsEmpty]: Start isEmpty. Operand 9397 states and 11158 transitions. [2020-10-14 21:00:15,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-14 21:00:15,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:15,711 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:15,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:00:15,712 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:15,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:15,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1084912980, now seen corresponding path program 1 times [2020-10-14 21:00:15,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:15,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780046090] [2020-10-14 21:00:15,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:15,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:15,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:17,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:17,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-14 21:00:17,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:17,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1327 [2020-10-14 21:00:17,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:17,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 21:00:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:00:17,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:17,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:17,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:17,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:17,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:17,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:17,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:00:17,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:17,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:17,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:17,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:17,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:17,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:17,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:17,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:17,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:00:17,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:17,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-14 21:00:17,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:17,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 21:00:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:17,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 21:00:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:17,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:17,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:17,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:00:17,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:17,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-14 21:00:17,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:17,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:00:17,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:00:17,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780046090] [2020-10-14 21:00:17,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:17,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:17,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810268555] [2020-10-14 21:00:17,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:17,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:17,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:17,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:17,896 INFO L87 Difference]: Start difference. First operand 9397 states and 11158 transitions. Second operand 7 states. [2020-10-14 21:00:20,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:20,582 INFO L93 Difference]: Finished difference Result 20550 states and 24518 transitions. [2020-10-14 21:00:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:00:20,588 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-10-14 21:00:20,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:20,619 INFO L225 Difference]: With dead ends: 20550 [2020-10-14 21:00:20,619 INFO L226 Difference]: Without dead ends: 11155 [2020-10-14 21:00:20,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:20,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11155 states. [2020-10-14 21:00:20,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11155 to 11127. [2020-10-14 21:00:20,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11127 states. [2020-10-14 21:00:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11127 states to 11127 states and 13060 transitions. [2020-10-14 21:00:20,924 INFO L78 Accepts]: Start accepts. Automaton has 11127 states and 13060 transitions. Word has length 233 [2020-10-14 21:00:20,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:20,925 INFO L479 AbstractCegarLoop]: Abstraction has 11127 states and 13060 transitions. [2020-10-14 21:00:20,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:20,926 INFO L276 IsEmpty]: Start isEmpty. Operand 11127 states and 13060 transitions. [2020-10-14 21:00:20,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-14 21:00:20,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:20,937 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:20,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:00:20,937 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:20,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:20,938 INFO L82 PathProgramCache]: Analyzing trace with hash -478861345, now seen corresponding path program 1 times [2020-10-14 21:00:20,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:20,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671230512] [2020-10-14 21:00:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:21,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:21,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:21,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-14 21:00:21,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:21,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-10-14 21:00:21,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:21,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:21,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:21,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 21:00:21,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 21:00:21,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:21,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:21,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:21,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:21,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:21,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:21,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:21,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:21,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:21,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:21,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:21,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:21,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:21,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:21,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:00:21,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:21,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:21,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:21,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:21,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:21,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:00:21,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:21,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 21:00:21,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:21,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:00:21,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 21:00:21,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671230512] [2020-10-14 21:00:21,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:21,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:00:21,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47537787] [2020-10-14 21:00:21,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:00:21,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:21,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:00:21,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:00:21,765 INFO L87 Difference]: Start difference. First operand 11127 states and 13060 transitions. Second operand 5 states. [2020-10-14 21:00:23,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:23,786 INFO L93 Difference]: Finished difference Result 12667 states and 14870 transitions. [2020-10-14 21:00:23,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:00:23,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 240 [2020-10-14 21:00:23,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:23,823 INFO L225 Difference]: With dead ends: 12667 [2020-10-14 21:00:23,823 INFO L226 Difference]: Without dead ends: 12665 [2020-10-14 21:00:23,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:00:23,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12665 states. [2020-10-14 21:00:24,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12665 to 11697. [2020-10-14 21:00:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11697 states. [2020-10-14 21:00:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11697 states to 11697 states and 13786 transitions. [2020-10-14 21:00:24,185 INFO L78 Accepts]: Start accepts. Automaton has 11697 states and 13786 transitions. Word has length 240 [2020-10-14 21:00:24,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:24,186 INFO L479 AbstractCegarLoop]: Abstraction has 11697 states and 13786 transitions. [2020-10-14 21:00:24,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:00:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 11697 states and 13786 transitions. [2020-10-14 21:00:24,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-14 21:00:24,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:24,191 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:24,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:00:24,191 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:24,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:24,192 INFO L82 PathProgramCache]: Analyzing trace with hash -914005075, now seen corresponding path program 1 times [2020-10-14 21:00:24,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:24,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453782749] [2020-10-14 21:00:24,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:24,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:24,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:25,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:25,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:25,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-14 21:00:25,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:00:25,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1228 [2020-10-14 21:00:25,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:25,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:25,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:25,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:00:25,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:00:25,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:25,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:25,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:25,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:25,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:25,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:25,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:25,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:25,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:25,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:25,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:25,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:25,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:25,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:25,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:25,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:25,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:25,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:25,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 21:00:25,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:25,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:25,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:25,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:25,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:00:25,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:25,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:00:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:25,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:25,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:25,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 21:00:25,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:25,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 21:00:25,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:25,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:25,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:25,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:25,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:00:25,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:26,018 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:00:26,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453782749] [2020-10-14 21:00:26,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:26,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:26,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417539955] [2020-10-14 21:00:26,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:26,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:26,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:26,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:26,021 INFO L87 Difference]: Start difference. First operand 11697 states and 13786 transitions. Second operand 7 states. [2020-10-14 21:00:28,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:28,720 INFO L93 Difference]: Finished difference Result 28176 states and 33752 transitions. [2020-10-14 21:00:28,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:00:28,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 251 [2020-10-14 21:00:28,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:28,756 INFO L225 Difference]: With dead ends: 28176 [2020-10-14 21:00:28,756 INFO L226 Difference]: Without dead ends: 16673 [2020-10-14 21:00:28,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:28,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16673 states. [2020-10-14 21:00:29,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16673 to 15693. [2020-10-14 21:00:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15693 states. [2020-10-14 21:00:29,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15693 states to 15693 states and 18844 transitions. [2020-10-14 21:00:29,035 INFO L78 Accepts]: Start accepts. Automaton has 15693 states and 18844 transitions. Word has length 251 [2020-10-14 21:00:29,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:29,035 INFO L479 AbstractCegarLoop]: Abstraction has 15693 states and 18844 transitions. [2020-10-14 21:00:29,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 15693 states and 18844 transitions. [2020-10-14 21:00:29,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-14 21:00:29,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:29,045 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:29,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:00:29,045 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:29,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:29,046 INFO L82 PathProgramCache]: Analyzing trace with hash 31140380, now seen corresponding path program 1 times [2020-10-14 21:00:29,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:29,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957720261] [2020-10-14 21:00:29,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:29,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:29,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:29,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:29,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-14 21:00:29,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:29,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 871 [2020-10-14 21:00:29,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:29,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:29,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:00:29,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:00:29,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-14 21:00:29,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:30,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:30,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:30,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:30,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:30,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:30,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:30,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:30,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:30,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:30,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:30,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:30,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:30,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:30,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:30,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 21:00:30,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:30,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:30,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:30,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:30,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:00:30,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:30,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:00:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:30,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:30,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:30,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:30,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 21:00:30,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:30,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-14 21:00:30,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:30,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:30,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 21:00:30,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-10-14 21:00:30,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957720261] [2020-10-14 21:00:30,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:30,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:00:30,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789008232] [2020-10-14 21:00:30,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:00:30,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:30,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:00:30,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:00:30,591 INFO L87 Difference]: Start difference. First operand 15693 states and 18844 transitions. Second operand 6 states. [2020-10-14 21:00:32,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:32,624 INFO L93 Difference]: Finished difference Result 31218 states and 37508 transitions. [2020-10-14 21:00:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:00:32,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 282 [2020-10-14 21:00:32,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:32,661 INFO L225 Difference]: With dead ends: 31218 [2020-10-14 21:00:32,662 INFO L226 Difference]: Without dead ends: 15719 [2020-10-14 21:00:32,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:32,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15719 states. [2020-10-14 21:00:32,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15719 to 15691. [2020-10-14 21:00:32,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15691 states. [2020-10-14 21:00:32,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15691 states to 15691 states and 18436 transitions. [2020-10-14 21:00:32,949 INFO L78 Accepts]: Start accepts. Automaton has 15691 states and 18436 transitions. Word has length 282 [2020-10-14 21:00:32,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:32,950 INFO L479 AbstractCegarLoop]: Abstraction has 15691 states and 18436 transitions. [2020-10-14 21:00:32,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:00:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 15691 states and 18436 transitions. [2020-10-14 21:00:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-10-14 21:00:32,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:32,959 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:32,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:00:32,959 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:32,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:32,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1483440752, now seen corresponding path program 1 times [2020-10-14 21:00:32,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:32,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313734121] [2020-10-14 21:00:32,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:33,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:33,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-10-14 21:00:34,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1238 [2020-10-14 21:00:34,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 21:00:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:00:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 289 [2020-10-14 21:00:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:34,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:34,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:34,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:34,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:00:34,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:00:34,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:00:34,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:34,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:34,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:34,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-14 21:00:34,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:00:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 21:00:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:00:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:34,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:34,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:34,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 21:00:34,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:34,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 21:00:34,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:34,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:34,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-14 21:00:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:00:34,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313734121] [2020-10-14 21:00:34,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:34,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:00:34,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023205167] [2020-10-14 21:00:34,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:00:34,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:34,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:00:34,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:00:34,962 INFO L87 Difference]: Start difference. First operand 15691 states and 18436 transitions. Second operand 9 states. [2020-10-14 21:00:38,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:38,499 INFO L93 Difference]: Finished difference Result 38544 states and 47335 transitions. [2020-10-14 21:00:38,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:00:38,500 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 283 [2020-10-14 21:00:38,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:38,564 INFO L225 Difference]: With dead ends: 38544 [2020-10-14 21:00:38,564 INFO L226 Difference]: Without dead ends: 22473 [2020-10-14 21:00:38,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:00:38,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22473 states. [2020-10-14 21:00:38,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22473 to 21854. [2020-10-14 21:00:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21854 states. [2020-10-14 21:00:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21854 states to 21854 states and 25648 transitions. [2020-10-14 21:00:38,934 INFO L78 Accepts]: Start accepts. Automaton has 21854 states and 25648 transitions. Word has length 283 [2020-10-14 21:00:38,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:38,934 INFO L479 AbstractCegarLoop]: Abstraction has 21854 states and 25648 transitions. [2020-10-14 21:00:38,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:00:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 21854 states and 25648 transitions. [2020-10-14 21:00:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-14 21:00:38,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:38,939 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:38,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:00:38,940 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:38,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:38,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1172535820, now seen corresponding path program 1 times [2020-10-14 21:00:38,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:38,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007061914] [2020-10-14 21:00:38,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:39,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:39,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:39,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:39,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-14 21:00:39,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:39,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 776 [2020-10-14 21:00:39,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:39,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:39,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:39,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 21:00:39,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:00:39,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:39,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:39,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:39,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:39,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:39,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:39,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:39,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:39,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:39,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:39,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:39,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:39,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:39,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:39,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:39,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:00:39,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:39,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:00:39,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:39,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:39,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:39,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:00:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:39,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:40,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:40,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:00:40,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:40,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 21:00:40,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:40,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:40,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:40,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:40,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:00:40,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:40,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 21:00:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:40,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:40,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:40,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:00:40,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 21:00:40,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:40,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:00:40,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 21:00:40,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007061914] [2020-10-14 21:00:40,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:40,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:40,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447041496] [2020-10-14 21:00:40,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:40,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:40,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:40,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:40,296 INFO L87 Difference]: Start difference. First operand 21854 states and 25648 transitions. Second operand 7 states. [2020-10-14 21:00:43,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:43,652 INFO L93 Difference]: Finished difference Result 44937 states and 53209 transitions. [2020-10-14 21:00:43,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:00:43,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 287 [2020-10-14 21:00:43,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:43,693 INFO L225 Difference]: With dead ends: 44937 [2020-10-14 21:00:43,693 INFO L226 Difference]: Without dead ends: 23467 [2020-10-14 21:00:43,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:43,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23467 states. [2020-10-14 21:00:44,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23467 to 21473. [2020-10-14 21:00:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21473 states. [2020-10-14 21:00:44,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21473 states to 21473 states and 25076 transitions. [2020-10-14 21:00:44,120 INFO L78 Accepts]: Start accepts. Automaton has 21473 states and 25076 transitions. Word has length 287 [2020-10-14 21:00:44,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:44,120 INFO L479 AbstractCegarLoop]: Abstraction has 21473 states and 25076 transitions. [2020-10-14 21:00:44,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:44,121 INFO L276 IsEmpty]: Start isEmpty. Operand 21473 states and 25076 transitions. [2020-10-14 21:00:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-14 21:00:44,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:44,128 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:44,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:00:44,129 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:44,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:44,129 INFO L82 PathProgramCache]: Analyzing trace with hash 312587171, now seen corresponding path program 1 times [2020-10-14 21:00:44,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:44,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120205155] [2020-10-14 21:00:44,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:44,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:44,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:44,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:44,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 328 [2020-10-14 21:00:44,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:44,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 764 [2020-10-14 21:00:44,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:44,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:44,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:44,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 21:00:44,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:00:44,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:45,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:45,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:45,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:45,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:45,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:45,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:45,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:45,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:45,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:45,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:45,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:45,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:45,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:45,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:45,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:45,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:45,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:45,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:00:45,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:45,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:45,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:45,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:45,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:45,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:45,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:45,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:45,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:00:45,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 21:00:45,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:45,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:45,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:45,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:00:45,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:45,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-14 21:00:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:45,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:45,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:45,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:00:45,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:45,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-14 21:00:45,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:45,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:45,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:45,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:00:45,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-14 21:00:45,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120205155] [2020-10-14 21:00:45,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:45,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:45,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163640415] [2020-10-14 21:00:45,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:45,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:45,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:45,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:45,640 INFO L87 Difference]: Start difference. First operand 21473 states and 25076 transitions. Second operand 7 states. [2020-10-14 21:00:48,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:48,758 INFO L93 Difference]: Finished difference Result 37604 states and 44771 transitions. [2020-10-14 21:00:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:00:48,759 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 314 [2020-10-14 21:00:48,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:48,810 INFO L225 Difference]: With dead ends: 37604 [2020-10-14 21:00:48,810 INFO L226 Difference]: Without dead ends: 21888 [2020-10-14 21:00:48,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:00:48,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21888 states. [2020-10-14 21:00:49,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21888 to 21467. [2020-10-14 21:00:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21467 states. [2020-10-14 21:00:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21467 states to 21467 states and 24931 transitions. [2020-10-14 21:00:49,177 INFO L78 Accepts]: Start accepts. Automaton has 21467 states and 24931 transitions. Word has length 314 [2020-10-14 21:00:49,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:49,178 INFO L479 AbstractCegarLoop]: Abstraction has 21467 states and 24931 transitions. [2020-10-14 21:00:49,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 21467 states and 24931 transitions. [2020-10-14 21:00:49,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-14 21:00:49,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:49,186 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:00:49,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:00:49,186 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:49,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:49,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1328357538, now seen corresponding path program 1 times [2020-10-14 21:00:49,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:49,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025095903] [2020-10-14 21:00:49,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:49,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:49,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:50,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:50,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-14 21:00:50,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:50,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 771 [2020-10-14 21:00:50,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:50,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-10-14 21:00:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:00:50,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:50,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:50,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:50,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:50,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:50,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:50,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:50,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:50,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:50,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:50,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:50,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:50,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:50,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:00:50,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:50,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:00:50,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:50,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:50,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:50,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:00:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:50,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:50,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:50,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:00:50,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:50,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:00:50,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:50,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:50,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:00:50,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:50,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-14 21:00:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:50,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:50,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:50,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:00:50,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:50,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 21:00:50,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:50,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:50,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:50,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:00:50,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 21:00:50,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025095903] [2020-10-14 21:00:50,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:50,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:00:50,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659308448] [2020-10-14 21:00:50,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:00:50,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:50,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:00:50,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:00:50,543 INFO L87 Difference]: Start difference. First operand 21467 states and 24931 transitions. Second operand 8 states. [2020-10-14 21:00:54,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:54,484 INFO L93 Difference]: Finished difference Result 37807 states and 43917 transitions. [2020-10-14 21:00:54,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:00:54,486 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 333 [2020-10-14 21:00:54,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:54,519 INFO L225 Difference]: With dead ends: 37807 [2020-10-14 21:00:54,519 INFO L226 Difference]: Without dead ends: 22683 [2020-10-14 21:00:54,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:00:54,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22683 states. [2020-10-14 21:00:54,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22683 to 22247. [2020-10-14 21:00:54,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22247 states. [2020-10-14 21:00:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22247 states to 22247 states and 25752 transitions. [2020-10-14 21:00:54,843 INFO L78 Accepts]: Start accepts. Automaton has 22247 states and 25752 transitions. Word has length 333 [2020-10-14 21:00:54,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:54,844 INFO L479 AbstractCegarLoop]: Abstraction has 22247 states and 25752 transitions. [2020-10-14 21:00:54,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:00:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 22247 states and 25752 transitions. [2020-10-14 21:00:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-10-14 21:00:54,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:54,852 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:54,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:00:54,853 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:54,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:54,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1717396896, now seen corresponding path program 1 times [2020-10-14 21:00:54,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:54,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337713664] [2020-10-14 21:00:54,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:55,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:55,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:55,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-14 21:00:55,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:55,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 542 [2020-10-14 21:00:55,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:55,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-14 21:00:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:00:55,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:55,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:55,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:55,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:55,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:55,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:55,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:00:55,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:55,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:55,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:55,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:55,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:55,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:55,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:55,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:55,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:55,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:00:55,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:55,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:55,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:55,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:55,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:00:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:55,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:55,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:55,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 21:00:55,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:55,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 21:00:55,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:55,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:55,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:55,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:55,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 21:00:55,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:55,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-14 21:00:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:55,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:55,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:55,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:00:55,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:55,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 21:00:55,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:55,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:55,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:55,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:55,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:00:55,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:56,055 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-14 21:00:56,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337713664] [2020-10-14 21:00:56,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:56,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:56,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412655806] [2020-10-14 21:00:56,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:56,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:56,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:56,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:56,059 INFO L87 Difference]: Start difference. First operand 22247 states and 25752 transitions. Second operand 7 states. [2020-10-14 21:00:59,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:59,021 INFO L93 Difference]: Finished difference Result 38150 states and 44616 transitions. [2020-10-14 21:00:59,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:00:59,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 356 [2020-10-14 21:00:59,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:59,063 INFO L225 Difference]: With dead ends: 38150 [2020-10-14 21:00:59,063 INFO L226 Difference]: Without dead ends: 22438 [2020-10-14 21:00:59,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 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 21:00:59,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22438 states. [2020-10-14 21:00:59,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22438 to 21871. [2020-10-14 21:00:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21871 states. [2020-10-14 21:00:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21871 states to 21871 states and 25246 transitions. [2020-10-14 21:00:59,389 INFO L78 Accepts]: Start accepts. Automaton has 21871 states and 25246 transitions. Word has length 356 [2020-10-14 21:00:59,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:59,389 INFO L479 AbstractCegarLoop]: Abstraction has 21871 states and 25246 transitions. [2020-10-14 21:00:59,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:59,389 INFO L276 IsEmpty]: Start isEmpty. Operand 21871 states and 25246 transitions. [2020-10-14 21:00:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-10-14 21:00:59,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:59,397 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:59,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:00:59,398 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:59,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:59,398 INFO L82 PathProgramCache]: Analyzing trace with hash 482723060, now seen corresponding path program 1 times [2020-10-14 21:00:59,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:59,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495486015] [2020-10-14 21:00:59,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:59,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:59,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:00,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:00,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-14 21:01:00,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:00,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 863 [2020-10-14 21:01:00,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:00,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-10-14 21:01:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:01:00,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:00,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:00,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:00,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:00,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:00,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:00,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:01:00,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:00,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:00,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:00,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:00,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:00,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:01:00,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:00,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:01:00,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:00,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:00,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:00,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:00,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:00,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:00,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:01:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:00,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:00,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:00,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 21:01:00,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:00,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 21:01:00,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:00,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:01:00,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-10-14 21:01:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:00,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:00,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:00,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:01:00,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:00,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 21:01:00,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:00,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:01:00,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-14 21:01:01,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495486015] [2020-10-14 21:01:01,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:01,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:01:01,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218761006] [2020-10-14 21:01:01,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:01,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:01,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:01,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:01,171 INFO L87 Difference]: Start difference. First operand 21871 states and 25246 transitions. Second operand 7 states. [2020-10-14 21:01:04,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:04,125 INFO L93 Difference]: Finished difference Result 38293 states and 44512 transitions. [2020-10-14 21:01:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:01:04,126 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 357 [2020-10-14 21:01:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:04,166 INFO L225 Difference]: With dead ends: 38293 [2020-10-14 21:01:04,166 INFO L226 Difference]: Without dead ends: 21815 [2020-10-14 21:01:04,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:01:04,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21815 states. [2020-10-14 21:01:04,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21815 to 21671. [2020-10-14 21:01:04,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21671 states. [2020-10-14 21:01:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21671 states to 21671 states and 24934 transitions. [2020-10-14 21:01:04,503 INFO L78 Accepts]: Start accepts. Automaton has 21671 states and 24934 transitions. Word has length 357 [2020-10-14 21:01:04,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:04,504 INFO L479 AbstractCegarLoop]: Abstraction has 21671 states and 24934 transitions. [2020-10-14 21:01:04,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:04,504 INFO L276 IsEmpty]: Start isEmpty. Operand 21671 states and 24934 transitions. [2020-10-14 21:01:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-14 21:01:04,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:04,517 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:04,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:01:04,519 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:04,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:04,520 INFO L82 PathProgramCache]: Analyzing trace with hash -157692271, now seen corresponding path program 1 times [2020-10-14 21:01:04,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:04,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215114918] [2020-10-14 21:01:04,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:04,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:04,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:04,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:05,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:05,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:05,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:05,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 407 [2020-10-14 21:01:05,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:01:05,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1120 [2020-10-14 21:01:05,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:05,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 313 [2020-10-14 21:01:05,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:05,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:05,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:05,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:05,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:05,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:05,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:01:05,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:05,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:05,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:05,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:05,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:05,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:05,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:05,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:05,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:05,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:05,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:01:05,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:05,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 21:01:05,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:05,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:05,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:05,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:05,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-14 21:01:05,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:01:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:06,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:06,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:06,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:06,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 21:01:06,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:06,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 21:01:06,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:06,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:06,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:06,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-14 21:01:06,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 21:01:06,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:06,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-10-14 21:01:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:06,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:06,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:06,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:01:06,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:06,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:01:06,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:06,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:06,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:06,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 21:01:06,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:06,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:06,464 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-10-14 21:01:06,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215114918] [2020-10-14 21:01:06,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:06,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:01:06,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093261458] [2020-10-14 21:01:06,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:01:06,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:06,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:01:06,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:01:06,466 INFO L87 Difference]: Start difference. First operand 21671 states and 24934 transitions. Second operand 6 states. [2020-10-14 21:01:08,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:08,154 INFO L93 Difference]: Finished difference Result 39711 states and 45868 transitions. [2020-10-14 21:01:08,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:01:08,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 393 [2020-10-14 21:01:08,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:08,187 INFO L225 Difference]: With dead ends: 39711 [2020-10-14 21:01:08,187 INFO L226 Difference]: Without dead ends: 21705 [2020-10-14 21:01:08,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:08,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21705 states. [2020-10-14 21:01:08,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21705 to 21647. [2020-10-14 21:01:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21647 states. [2020-10-14 21:01:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21647 states to 21647 states and 24872 transitions. [2020-10-14 21:01:08,512 INFO L78 Accepts]: Start accepts. Automaton has 21647 states and 24872 transitions. Word has length 393 [2020-10-14 21:01:08,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:08,513 INFO L479 AbstractCegarLoop]: Abstraction has 21647 states and 24872 transitions. [2020-10-14 21:01:08,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:01:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 21647 states and 24872 transitions. [2020-10-14 21:01:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-10-14 21:01:08,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:08,524 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:08,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:01:08,525 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:08,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:08,525 INFO L82 PathProgramCache]: Analyzing trace with hash 826157307, now seen corresponding path program 1 times [2020-10-14 21:01:08,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:08,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693151797] [2020-10-14 21:01:08,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:08,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:08,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:09,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:11,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:11,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-14 21:01:11,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:01:11,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2477 [2020-10-14 21:01:11,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:11,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:01:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 21:01:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-14 21:01:11,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:11,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:11,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:11,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:11,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:11,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:11,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:01:11,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:11,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:11,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:11,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:11,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:11,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:11,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:11,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:11,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:11,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:01:11,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:11,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 21:01:11,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:11,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 21:01:11,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:11,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 21:01:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:11,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:11,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:11,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 21:01:11,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:11,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-14 21:01:11,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:11,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:11,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:01:11,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 21:01:11,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:11,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-14 21:01:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:11,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:11,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:11,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:11,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:01:11,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:11,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 21:01:11,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:11,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:11,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:11,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:11,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:01:11,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:12,144 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 249 proven. 61 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 21:01:12,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693151797] [2020-10-14 21:01:12,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:12,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:01:12,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952032746] [2020-10-14 21:01:12,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:01:12,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:12,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:01:12,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:01:12,147 INFO L87 Difference]: Start difference. First operand 21647 states and 24872 transitions. Second operand 9 states. [2020-10-14 21:01:16,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:16,031 INFO L93 Difference]: Finished difference Result 38774 states and 44570 transitions. [2020-10-14 21:01:16,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:01:16,035 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 400 [2020-10-14 21:01:16,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:16,068 INFO L225 Difference]: With dead ends: 38774 [2020-10-14 21:01:16,068 INFO L226 Difference]: Without dead ends: 22852 [2020-10-14 21:01:16,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2020-10-14 21:01:16,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22852 states. [2020-10-14 21:01:16,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22852 to 22779. [2020-10-14 21:01:16,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22779 states. [2020-10-14 21:01:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22779 states to 22779 states and 25981 transitions. [2020-10-14 21:01:16,327 INFO L78 Accepts]: Start accepts. Automaton has 22779 states and 25981 transitions. Word has length 400 [2020-10-14 21:01:16,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:16,327 INFO L479 AbstractCegarLoop]: Abstraction has 22779 states and 25981 transitions. [2020-10-14 21:01:16,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:01:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 22779 states and 25981 transitions. [2020-10-14 21:01:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-10-14 21:01:16,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:16,338 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:16,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 21:01:16,338 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:16,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:16,339 INFO L82 PathProgramCache]: Analyzing trace with hash -298737737, now seen corresponding path program 1 times [2020-10-14 21:01:16,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:16,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252376626] [2020-10-14 21:01:16,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 21:01:16,396 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 21:01:16,396 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 21:01:16,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 21:01:16,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:01:16 BoogieIcfgContainer [2020-10-14 21:01:16,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:01:16,458 INFO L168 Benchmark]: Toolchain (without parser) took 111966.28 ms. Allocated memory was 147.3 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 100.4 MB in the beginning and 1.1 GB in the end (delta: -951.1 MB). Peak memory consumption was 615.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,459 INFO L168 Benchmark]: CDTParser took 0.16 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: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1034.10 ms. Allocated memory was 147.3 MB in the beginning and 210.2 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 162.8 MB in the end (delta: -62.3 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,460 INFO L168 Benchmark]: Boogie Preprocessor took 196.28 ms. Allocated memory is still 210.2 MB. Free memory was 162.8 MB in the beginning and 155.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,461 INFO L168 Benchmark]: RCFGBuilder took 2246.39 ms. Allocated memory was 210.2 MB in the beginning and 240.6 MB in the end (delta: 30.4 MB). Free memory was 155.5 MB in the beginning and 95.1 MB in the end (delta: 60.4 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,461 INFO L168 Benchmark]: TraceAbstraction took 108484.48 ms. Allocated memory was 240.6 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 95.1 MB in the beginning and 1.1 GB in the end (delta: -956.4 MB). Peak memory consumption was 516.8 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:16,464 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1034.10 ms. Allocated memory was 147.3 MB in the beginning and 210.2 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 162.8 MB in the end (delta: -62.3 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 196.28 ms. Allocated memory is still 210.2 MB. Free memory was 162.8 MB in the beginning and 155.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2246.39 ms. Allocated memory was 210.2 MB in the beginning and 240.6 MB in the end (delta: 30.4 MB). Free memory was 155.5 MB in the beginning and 95.1 MB in the end (delta: 60.4 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 108484.48 ms. Allocated memory was 240.6 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 95.1 MB in the beginning and 1.1 GB in the end (delta: -956.4 MB). Peak memory consumption was 516.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 27]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputA = 1; [L8] int inputD = 4; [L9] int inputB = 2; [L10] int inputE = 5; [L11] int inputF = 6; [L12] int inputC = 3; [L15] int a29 = 130; [L16] int a4 = 1; [L17] int a23 = 312; [L18] int a8 = 15; [L19] int a25 = 10; [L20] int a3 = 1; [L1031] int output = -1; [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L628] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L635] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L642] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L647] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L658] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L663] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L670] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L675] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L681] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L688] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L694] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L706] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L712] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L717] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L731] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L738] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L743] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L750] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L757] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L769] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L774] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L780] COND FALSE !(((a3==1) && (( a23 <= -43 && (((input == 6) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && !(a4==1))) && (a8==15)))) [L787] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L792] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L799] COND FALSE !(((a3==1) && (((a8==15) && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 5)) && 306 < a23 )) && (a4==1)))) [L804] COND FALSE !((((((a8==15) && ((input == 4) && (( 277 < a29 && (a25==9)) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ( ((245 < a29) && (277 >= a29)) && (a25==13)))))) && !(a4==1)) && a23 <= -43 ) && (a3==1))) [L816] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (!(a4==1) && ((input == 5) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) )))))) && (a8==15)) && (a3==1))) [L822] COND FALSE !(( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15)))) [L825] COND FALSE !(((a8==15) && ((((a3==1) && ((((a25==10) || (a25==11)) && (input == 6)) && a29 <= 140 )) && a23 <= -43 ) && !(a4==1)))) [L831] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((a8==15) && (((a25==13) || ((a25==11) || (a25==12))) && (input == 4))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L836] COND FALSE !((((a3==1) && ((a8==15) && ((((a25==13) && (input == 4)) && (a4==1)) && a29 <= 140 ))) && 306 < a23 )) [L841] COND FALSE !((( 306 < a23 && ((a25==13) && ((((input == 3) && a29 <= 140 ) && (a3==1)) && (a4==1)))) && (a8==15))) [L846] COND FALSE !((!(a4==1) && (( 277 < a29 && ((((input == 4) && a23 <= -43 ) && (a8==15)) && (a3==1))) && (a25==13)))) [L852] COND FALSE !(((a3==1) && (((((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ) || (( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==12))) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13))))) && (input == 1)) && (a8==15)))) [L859] COND FALSE !(( 277 < a29 && ((a3==1) && ((a8==15) && ((a4==1) && ( 306 < a23 && ((input == 6) && (((a25==9) || (a25==10)) || (a25==11))))))))) [L865] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 4) && ((a25==12) || ((a25==10) || (a25==11))))) && (a8==15)) && !(a4==1)) && (a3==1)) && a29 <= 140 )) [L876] COND FALSE !(((((( a23 <= -43 && ((input == 5) && ((a25==12) || ((a25==10) || (a25==11))))) && (a3==1)) && !(a4==1)) && 277 < a29 ) && (a8==15))) [L881] COND FALSE !(((((a8==15) && ((a4==1) && (((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 2)))) && (a3==1)) && 306 < a23 )) [L886] COND FALSE !((( a23 <= -43 && ((( ((140 < a29) && (245 >= a29)) && ((input == 1) && (((a25==9) || (a25==10)) || (a25==11)))) && !(a4==1)) && (a8==15))) && (a3==1))) [L893] COND TRUE ((((a3==1) && ((((input == 2) && ((a25==12) || ((a25==10) || (a25==11)))) && (a4==1)) && (a8==15))) && a29 <= 140 ) && 306 < a23 ) [L895] a25 = 13 [L897] return 23; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L628] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L635] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L642] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L647] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L658] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L663] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L670] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L675] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L681] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L688] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L694] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L706] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L712] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L717] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L731] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L738] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L743] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L750] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L757] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L769] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L774] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L780] COND FALSE !(((a3==1) && (( a23 <= -43 && (((input == 6) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && !(a4==1))) && (a8==15)))) [L787] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L792] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L799] COND FALSE !(((a3==1) && (((a8==15) && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 5)) && 306 < a23 )) && (a4==1)))) [L804] COND FALSE !((((((a8==15) && ((input == 4) && (( 277 < a29 && (a25==9)) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ( ((245 < a29) && (277 >= a29)) && (a25==13)))))) && !(a4==1)) && a23 <= -43 ) && (a3==1))) [L816] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (!(a4==1) && ((input == 5) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) )))))) && (a8==15)) && (a3==1))) [L822] COND TRUE ( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15))) [L823] a29 = (((a29 / 5) + 165004) + 41645) [L824] return 23; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND TRUE ((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1)) [L241] a29 = ((((a29 / 5) % 15)+ 260) + 1) [L242] a23 = (((((a23 / 5) % 90)- -47) - -159208) - 159206) [L243] a4 = 1 [L244] a25 = 11 [L246] return -1; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND TRUE ((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L27] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 108.3s, OverallIterations: 23, TraceHistogramMax: 4, AutomataDifference: 63.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1051 SDtfs, 14710 SDslu, 1689 SDs, 0 SdLazy, 30711 SolverSat, 4696 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 193 SyntacticMatches, 2 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22779occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 22 MinimizatonAttempts, 6940 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 36.6s InterpolantComputationTime, 5757 NumberOfCodeBlocks, 5757 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 5318 ConstructedInterpolants, 0 QuantifiedInterpolants, 5035667 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 2947/3138 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...