/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 SingleStatement --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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:17:31,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:17:31,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:17:31,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:17:31,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:17:31,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:17:31,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:17:31,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:17:31,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:17:31,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:17:31,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:17:31,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:17:31,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:17:31,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:17:31,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:17:31,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:17:31,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:17:31,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:17:31,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:17:31,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:17:31,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:17:31,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:17:31,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:17:31,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:17:31,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:17:31,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:17:31,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:17:31,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:17:31,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:17:31,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:17:31,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:17:31,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:17:31,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:17:31,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:17:31,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:17:31,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:17:31,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:17:31,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:17:31,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:17:31,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:17:31,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:17:31,261 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 [2020-09-25 11:17:31,309 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:17:31,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:17:31,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:17:31,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:17:31,312 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:17:31,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:17:31,313 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:17:31,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:17:31,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:17:31,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:17:31,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:17:31,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:17:31,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:17:31,316 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:17:31,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:17:31,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:17:31,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:17:31,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:17:31,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:17:31,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:17:31,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:17:31,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:17:31,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:17:31,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:17:31,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:17:31,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:17:31,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:17:31,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:17:31,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:17:31,319 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 -> SingleStatement 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; 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; 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; 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; 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; 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; [2020-09-25 11:17:31,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:17:31,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:17:31,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:17:31,824 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:17:31,825 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:17:31,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label50.c [2020-09-25 11:17:31,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce3dd7e66/a7a0730556cc45ce9ddbd0c2cddc68e0/FLAGb6dede0be [2020-09-25 11:17:32,512 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:17:32,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label50.c [2020-09-25 11:17:32,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce3dd7e66/a7a0730556cc45ce9ddbd0c2cddc68e0/FLAGb6dede0be [2020-09-25 11:17:32,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce3dd7e66/a7a0730556cc45ce9ddbd0c2cddc68e0 [2020-09-25 11:17:32,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:17:32,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:17:32,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:17:32,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:17:32,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:17:32,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:17:32" (1/1) ... [2020-09-25 11:17:32,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f481499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:32, skipping insertion in model container [2020-09-25 11:17:32,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:17:32" (1/1) ... [2020-09-25 11:17:32,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:17:32,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:17:33,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:17:33,471 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:17:33,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:17:33,583 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:17:33,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:33 WrapperNode [2020-09-25 11:17:33,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:17:33,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:17:33,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:17:33,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:17:33,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:33" (1/1) ... [2020-09-25 11:17:33,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:33" (1/1) ... [2020-09-25 11:17:33,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:33" (1/1) ... [2020-09-25 11:17:33,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:33" (1/1) ... [2020-09-25 11:17:33,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:33" (1/1) ... [2020-09-25 11:17:33,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:33" (1/1) ... [2020-09-25 11:17:33,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:33" (1/1) ... [2020-09-25 11:17:33,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:17:33,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:17:33,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:17:33,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:17:33,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:33" (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 [2020-09-25 11:17:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:17:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:17:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-25 11:17:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:17:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-25 11:17:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:17:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:17:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 11:17:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:17:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:17:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:17:35,263 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:17:35,264 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 11:17:35,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:17:35 BoogieIcfgContainer [2020-09-25 11:17:35,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:17:35,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:17:35,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:17:35,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:17:35,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:17:32" (1/3) ... [2020-09-25 11:17:35,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42666c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:17:35, skipping insertion in model container [2020-09-25 11:17:35,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:17:33" (2/3) ... [2020-09-25 11:17:35,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42666c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:17:35, skipping insertion in model container [2020-09-25 11:17:35,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:17:35" (3/3) ... [2020-09-25 11:17:35,295 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label50.c [2020-09-25 11:17:35,309 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:17:35,329 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:17:35,353 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:17:35,400 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:17:35,400 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:17:35,400 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:17:35,401 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:17:35,401 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:17:35,401 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:17:35,401 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:17:35,401 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:17:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-09-25 11:17:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-25 11:17:35,481 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:17:35,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:17:35,484 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:17:35,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:17:35,492 INFO L82 PathProgramCache]: Analyzing trace with hash -593885342, now seen corresponding path program 1 times [2020-09-25 11:17:35,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:17:35,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329691435] [2020-09-25 11:17:35,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:17:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:35,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:36,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:36,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:38,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:40,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:40,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-25 11:17:40,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:17:40,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4315 [2020-09-25 11:17:40,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:40,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:17:40,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 11:17:40,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 11:17:40,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:17:40,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:17:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:40,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:40,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:40,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:17:40,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:17:40,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 11:17:40,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:40,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:40,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:17:40,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:17:40,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:17:40,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:17:40,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329691435] [2020-09-25 11:17:40,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:17:40,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 11:17:40,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352956131] [2020-09-25 11:17:40,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 11:17:40,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:17:40,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 11:17:40,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:17:40,464 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-09-25 11:17:43,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:17:43,790 INFO L93 Difference]: Finished difference Result 1539 states and 2132 transitions. [2020-09-25 11:17:43,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 11:17:43,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-09-25 11:17:43,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:17:43,842 INFO L225 Difference]: With dead ends: 1539 [2020-09-25 11:17:43,843 INFO L226 Difference]: Without dead ends: 935 [2020-09-25 11:17:43,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:17:43,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-09-25 11:17:43,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 878. [2020-09-25 11:17:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-09-25 11:17:44,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1089 transitions. [2020-09-25 11:17:44,006 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1089 transitions. Word has length 107 [2020-09-25 11:17:44,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:17:44,007 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1089 transitions. [2020-09-25 11:17:44,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 11:17:44,008 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1089 transitions. [2020-09-25 11:17:44,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-09-25 11:17:44,015 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:17:44,015 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:17:44,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:17:44,016 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:17:44,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:17:44,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1658093710, now seen corresponding path program 1 times [2020-09-25 11:17:44,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:17:44,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363222097] [2020-09-25 11:17:44,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:17:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:44,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:44,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:44,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:44,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:45,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:47,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:47,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-25 11:17:47,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:17:47,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3156 [2020-09-25 11:17:47,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:47,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:17:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 11:17:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-25 11:17:47,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:47,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:17:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:47,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:47,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:47,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:17:47,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:17:47,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:17:47,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:47,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:47,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:17:47,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:17:47,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:17:47,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:47,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 11:17:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:47,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:47,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:47,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:17:47,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:17:47,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 11:17:47,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:47,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:17:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:17:47,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:17:47,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:17:47,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363222097] [2020-09-25 11:17:47,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:17:47,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-25 11:17:47,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35039655] [2020-09-25 11:17:47,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 11:17:47,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:17:47,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 11:17:47,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:17:47,468 INFO L87 Difference]: Start difference. First operand 878 states and 1089 transitions. Second operand 5 states. [2020-09-25 11:17:49,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:17:49,353 INFO L93 Difference]: Finished difference Result 2199 states and 2857 transitions. [2020-09-25 11:17:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 11:17:49,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-09-25 11:17:49,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:17:49,370 INFO L225 Difference]: With dead ends: 2199 [2020-09-25 11:17:49,370 INFO L226 Difference]: Without dead ends: 1343 [2020-09-25 11:17:49,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:17:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-09-25 11:17:49,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1330. [2020-09-25 11:17:49,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-09-25 11:17:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1680 transitions. [2020-09-25 11:17:49,451 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1680 transitions. Word has length 125 [2020-09-25 11:17:49,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:17:49,453 INFO L479 AbstractCegarLoop]: Abstraction has 1330 states and 1680 transitions. [2020-09-25 11:17:49,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 11:17:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1680 transitions. [2020-09-25 11:17:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-25 11:17:49,464 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:17:49,465 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:17:49,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:17:49,465 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:17:49,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:17:49,466 INFO L82 PathProgramCache]: Analyzing trace with hash -125182521, now seen corresponding path program 1 times [2020-09-25 11:17:49,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:17:49,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259052730] [2020-09-25 11:17:49,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:17:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:49,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:49,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:49,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:49,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:51,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:51,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-25 11:17:51,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:17:51,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2128 [2020-09-25 11:17:51,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:51,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:17:51,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-25 11:17:51,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-25 11:17:51,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:51,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:17:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:51,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:51,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:51,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:17:51,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:17:51,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:17:51,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:51,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:17:51,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:17:51,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:17:51,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:51,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 11:17:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:51,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:51,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:51,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 11:17:51,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:17:51,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 11:17:51,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:51,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:17:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:17:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:17:51,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:17:51,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [259052730] [2020-09-25 11:17:51,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:17:51,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-25 11:17:51,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669509398] [2020-09-25 11:17:51,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 11:17:51,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:17:51,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 11:17:51,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:17:51,853 INFO L87 Difference]: Start difference. First operand 1330 states and 1680 transitions. Second operand 5 states. [2020-09-25 11:17:53,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:17:53,451 INFO L93 Difference]: Finished difference Result 3587 states and 4700 transitions. [2020-09-25 11:17:53,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 11:17:53,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-09-25 11:17:53,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:17:53,462 INFO L225 Difference]: With dead ends: 3587 [2020-09-25 11:17:53,462 INFO L226 Difference]: Without dead ends: 1730 [2020-09-25 11:17:53,469 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 [2020-09-25 11:17:53,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2020-09-25 11:17:53,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1699. [2020-09-25 11:17:53,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2020-09-25 11:17:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2012 transitions. [2020-09-25 11:17:53,520 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2012 transitions. Word has length 141 [2020-09-25 11:17:53,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:17:53,521 INFO L479 AbstractCegarLoop]: Abstraction has 1699 states and 2012 transitions. [2020-09-25 11:17:53,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 11:17:53,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2012 transitions. [2020-09-25 11:17:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-25 11:17:53,526 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:17:53,527 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:17:53,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:17:53,527 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:17:53,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:17:53,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1712229635, now seen corresponding path program 1 times [2020-09-25 11:17:53,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:17:53,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105955024] [2020-09-25 11:17:53,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:17:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:53,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:53,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:53,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-25 11:17:53,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:17:53,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 395 [2020-09-25 11:17:53,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:53,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:53,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:17:53,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 11:17:53,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 11:17:53,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:54,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:17:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:54,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:54,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:54,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:17:54,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:17:54,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 11:17:54,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:54,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:54,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:17:54,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:17:54,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:17:54,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:54,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 11:17:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:54,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:54,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:54,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 11:17:54,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:17:54,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 11:17:54,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:54,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:17:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:17:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 11:17:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:17:54,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105955024] [2020-09-25 11:17:54,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:17:54,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 11:17:54,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214418431] [2020-09-25 11:17:54,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 11:17:54,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:17:54,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 11:17:54,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:17:54,249 INFO L87 Difference]: Start difference. First operand 1699 states and 2012 transitions. Second operand 7 states. [2020-09-25 11:17:56,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:17:56,316 INFO L93 Difference]: Finished difference Result 4375 states and 5355 transitions. [2020-09-25 11:17:56,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:17:56,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 145 [2020-09-25 11:17:56,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:17:56,331 INFO L225 Difference]: With dead ends: 4375 [2020-09-25 11:17:56,331 INFO L226 Difference]: Without dead ends: 2698 [2020-09-25 11:17:56,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-25 11:17:56,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-09-25 11:17:56,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2499. [2020-09-25 11:17:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2499 states. [2020-09-25 11:17:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 2906 transitions. [2020-09-25 11:17:56,413 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 2906 transitions. Word has length 145 [2020-09-25 11:17:56,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:17:56,414 INFO L479 AbstractCegarLoop]: Abstraction has 2499 states and 2906 transitions. [2020-09-25 11:17:56,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 11:17:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 2906 transitions. [2020-09-25 11:17:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 11:17:56,421 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:17:56,421 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:17:56,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:17:56,422 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:17:56,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:17:56,422 INFO L82 PathProgramCache]: Analyzing trace with hash -451289247, now seen corresponding path program 1 times [2020-09-25 11:17:56,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:17:56,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613584173] [2020-09-25 11:17:56,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:17:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:56,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:56,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:57,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:57,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-25 11:17:57,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:17:57,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 838 [2020-09-25 11:17:57,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:57,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:17:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-09-25 11:17:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-25 11:17:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:57,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:17:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:57,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:17:57,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:57,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:17:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:17:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:17:57,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:57,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 11:17:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:57,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:57,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:57,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 11:17:57,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:17:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 11:17:57,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:57,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:17:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:17:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 11:17:57,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:57,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 11:17:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:57,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:57,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:57,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:17:57,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 11:17:57,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:17:57,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-25 11:17:57,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:17:57,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:17:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:17:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:17:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 11:17:57,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:17:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 47 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 11:17:57,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613584173] [2020-09-25 11:17:57,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:17:57,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 11:17:57,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595799054] [2020-09-25 11:17:57,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:17:57,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:17:57,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:17:57,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:17:57,722 INFO L87 Difference]: Start difference. First operand 2499 states and 2906 transitions. Second operand 6 states. [2020-09-25 11:17:59,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:17:59,728 INFO L93 Difference]: Finished difference Result 6199 states and 7285 transitions. [2020-09-25 11:17:59,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 11:17:59,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2020-09-25 11:17:59,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:17:59,749 INFO L225 Difference]: With dead ends: 6199 [2020-09-25 11:17:59,749 INFO L226 Difference]: Without dead ends: 3386 [2020-09-25 11:17:59,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:17:59,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2020-09-25 11:17:59,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3247. [2020-09-25 11:17:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3247 states. [2020-09-25 11:17:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 3247 states and 3706 transitions. [2020-09-25 11:17:59,848 INFO L78 Accepts]: Start accepts. Automaton has 3247 states and 3706 transitions. Word has length 167 [2020-09-25 11:17:59,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:17:59,848 INFO L479 AbstractCegarLoop]: Abstraction has 3247 states and 3706 transitions. [2020-09-25 11:17:59,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:17:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 3706 transitions. [2020-09-25 11:17:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-25 11:17:59,858 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:17:59,858 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:17:59,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 11:17:59,858 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:17:59,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:17:59,859 INFO L82 PathProgramCache]: Analyzing trace with hash 76072862, now seen corresponding path program 1 times [2020-09-25 11:17:59,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:17:59,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201688835] [2020-09-25 11:17:59,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:17:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:17:59,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:17:59,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:00,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:00,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:04,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:04,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:04,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-09-25 11:18:04,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 11:18:04,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 11:18:04,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:04,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:04,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 11:18:04,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 11:18:04,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:18:04,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:18:05,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:18:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:05,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:05,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:05,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:18:05,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:18:05,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 11:18:05,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:05,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:18:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:18:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 11:18:05,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:18:05,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 11:18:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:05,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:05,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:05,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:05,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 11:18:05,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:18:05,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 11:18:05,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:05,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:18:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:18:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 11:18:05,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:18:05,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 11:18:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:05,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:05,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:05,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:05,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:18:05,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:18:05,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 11:18:05,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:05,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:05,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:18:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:18:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 11:18:05,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:18:05,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-25 11:18:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:05,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:05,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:05,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-25 11:18:05,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:18:05,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 11:18:05,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:05,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:05,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:18:05,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:18:05,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 11:18:05,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:18:05,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 11:18:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:05,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:05,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:05,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 11:18:05,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:18:05,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:18:05,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:05,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:18:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 11:18:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:18:05,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:18:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 89 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-09-25 11:18:05,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201688835] [2020-09-25 11:18:05,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:18:05,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 11:18:05,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933799994] [2020-09-25 11:18:05,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 11:18:05,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:18:05,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 11:18:05,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:18:05,351 INFO L87 Difference]: Start difference. First operand 3247 states and 3706 transitions. Second operand 8 states. [2020-09-25 11:18:06,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:18:06,554 INFO L93 Difference]: Finished difference Result 6478 states and 7531 transitions. [2020-09-25 11:18:06,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 11:18:06,555 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 206 [2020-09-25 11:18:06,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:18:06,570 INFO L225 Difference]: With dead ends: 6478 [2020-09-25 11:18:06,570 INFO L226 Difference]: Without dead ends: 3058 [2020-09-25 11:18:06,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:18:06,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3058 states. [2020-09-25 11:18:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3058 to 2668. [2020-09-25 11:18:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2668 states. [2020-09-25 11:18:06,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 2965 transitions. [2020-09-25 11:18:06,644 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 2965 transitions. Word has length 206 [2020-09-25 11:18:06,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:18:06,645 INFO L479 AbstractCegarLoop]: Abstraction has 2668 states and 2965 transitions. [2020-09-25 11:18:06,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 11:18:06,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 2965 transitions. [2020-09-25 11:18:06,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 11:18:06,651 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:18:06,652 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:18:06,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 11:18:06,652 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:18:06,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:18:06,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1219149427, now seen corresponding path program 1 times [2020-09-25 11:18:06,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:18:06,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057846960] [2020-09-25 11:18:06,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:18:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:06,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:07,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:07,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 11:18:07,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:18:07,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-09-25 11:18:07,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:07,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:07,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:18:07,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 11:18:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 11:18:07,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:18:07,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:18:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:07,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:07,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:07,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:18:07,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:18:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:18:07,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:07,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:18:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:18:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:18:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:18:07,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 11:18:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:07,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:07,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:07,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 11:18:07,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:18:07,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 11:18:07,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:07,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:18:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:18:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 11:18:07,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:18:07,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:18:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:07,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:07,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:07,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 11:18:07,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:18:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 11:18:07,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:07,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:18:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:18:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 11:18:07,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:18:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-25 11:18:07,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057846960] [2020-09-25 11:18:07,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:18:07,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 11:18:07,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794100789] [2020-09-25 11:18:07,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 11:18:07,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:18:07,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 11:18:07,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:18:07,391 INFO L87 Difference]: Start difference. First operand 2668 states and 2965 transitions. Second operand 7 states. [2020-09-25 11:18:09,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:18:09,151 INFO L93 Difference]: Finished difference Result 6096 states and 6926 transitions. [2020-09-25 11:18:09,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:18:09,152 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-09-25 11:18:09,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:18:09,167 INFO L225 Difference]: With dead ends: 6096 [2020-09-25 11:18:09,167 INFO L226 Difference]: Without dead ends: 3600 [2020-09-25 11:18:09,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-25 11:18:09,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2020-09-25 11:18:09,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3584. [2020-09-25 11:18:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3584 states. [2020-09-25 11:18:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 3952 transitions. [2020-09-25 11:18:09,249 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 3952 transitions. Word has length 204 [2020-09-25 11:18:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:18:09,249 INFO L479 AbstractCegarLoop]: Abstraction has 3584 states and 3952 transitions. [2020-09-25 11:18:09,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 11:18:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 3952 transitions. [2020-09-25 11:18:09,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-25 11:18:09,261 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:18:09,261 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-09-25 11:18:09,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 11:18:09,262 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:18:09,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:18:09,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1357916067, now seen corresponding path program 1 times [2020-09-25 11:18:09,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:18:09,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263798252] [2020-09-25 11:18:09,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:18:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:09,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:09,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:09,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:10,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:13,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:13,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-09-25 11:18:13,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:18:13,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4085 [2020-09-25 11:18:13,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:13,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:18:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-09-25 11:18:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-25 11:18:13,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:18:13,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:18:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:13,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:13,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:13,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:18:13,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:18:13,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:18:13,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:13,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:18:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:18:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:18:13,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:18:13,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 11:18:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:13,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:13,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:13,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 11:18:13,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:18:13,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:18:13,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:13,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:13,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:18:13,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:18:13,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:18:13,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 27 [2020-09-25 11:18:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 11:18:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:13,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:13,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:13,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 11:18:13,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:18:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 11:18:13,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:13,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:18:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:18:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 11:18:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:18:13,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 11:18:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:18:13,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:13,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:18:13,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:18:13,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 11:18:13,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:18:13,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 11:18:13,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:18:13,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:18:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:18:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:18:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:18:13,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:18:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 135 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 11:18:13,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263798252] [2020-09-25 11:18:13,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:18:13,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 11:18:13,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441080118] [2020-09-25 11:18:13,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:18:13,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:18:13,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:18:13,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:18:13,821 INFO L87 Difference]: Start difference. First operand 3584 states and 3952 transitions. Second operand 6 states. [2020-09-25 11:18:15,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:18:15,185 INFO L93 Difference]: Finished difference Result 7296 states and 8071 transitions. [2020-09-25 11:18:15,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 11:18:15,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 240 [2020-09-25 11:18:15,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:18:15,197 INFO L225 Difference]: With dead ends: 7296 [2020-09-25 11:18:15,197 INFO L226 Difference]: Without dead ends: 2916 [2020-09-25 11:18:15,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:18:15,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2916 states. [2020-09-25 11:18:15,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2916 to 2916. [2020-09-25 11:18:15,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2916 states. [2020-09-25 11:18:15,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 3148 transitions. [2020-09-25 11:18:15,266 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 3148 transitions. Word has length 240 [2020-09-25 11:18:15,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:18:15,267 INFO L479 AbstractCegarLoop]: Abstraction has 2916 states and 3148 transitions. [2020-09-25 11:18:15,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:18:15,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3148 transitions. [2020-09-25 11:18:15,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-09-25 11:18:15,274 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:18:15,275 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:18:15,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 11:18:15,275 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:18:15,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:18:15,276 INFO L82 PathProgramCache]: Analyzing trace with hash 407843693, now seen corresponding path program 1 times [2020-09-25 11:18:15,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:18:15,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304853444] [2020-09-25 11:18:15,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:18:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 11:18:15,343 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 11:18:15,344 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 11:18:15,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 11:18:15,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 11:18:15 BoogieIcfgContainer [2020-09-25 11:18:15,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 11:18:15,405 INFO L168 Benchmark]: Toolchain (without parser) took 42619.93 ms. Allocated memory was 147.8 MB in the beginning and 622.3 MB in the end (delta: 474.5 MB). Free memory was 101.0 MB in the beginning and 189.5 MB in the end (delta: -88.5 MB). Peak memory consumption was 385.9 MB. Max. memory is 7.1 GB. [2020-09-25 11:18:15,406 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 11:18:15,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.31 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 100.3 MB in the beginning and 173.7 MB in the end (delta: -73.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-09-25 11:18:15,408 INFO L168 Benchmark]: Boogie Preprocessor took 135.36 ms. Allocated memory is still 207.1 MB. Free memory was 173.7 MB in the beginning and 168.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-09-25 11:18:15,409 INFO L168 Benchmark]: RCFGBuilder took 1561.56 ms. Allocated memory was 207.1 MB in the beginning and 237.5 MB in the end (delta: 30.4 MB). Free memory was 168.3 MB in the beginning and 159.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-09-25 11:18:15,410 INFO L168 Benchmark]: TraceAbstraction took 40116.40 ms. Allocated memory was 237.5 MB in the beginning and 622.3 MB in the end (delta: 384.8 MB). Free memory was 159.9 MB in the beginning and 189.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 355.2 MB. Max. memory is 7.1 GB. [2020-09-25 11:18:15,413 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.31 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 100.3 MB in the beginning and 173.7 MB in the end (delta: -73.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.36 ms. Allocated memory is still 207.1 MB. Free memory was 173.7 MB in the beginning and 168.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1561.56 ms. Allocated memory was 207.1 MB in the beginning and 237.5 MB in the end (delta: 30.4 MB). Free memory was 168.3 MB in the beginning and 159.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40116.40 ms. Allocated memory was 237.5 MB in the beginning and 622.3 MB in the end (delta: 384.8 MB). Free memory was 159.9 MB in the beginning and 189.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 355.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 415]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int a= 1; [L8] int e= 5; [L9] int d= 4; [L10] int f= 6; [L11] int c= 3; [L14] int u = 21; [L15] int v = 22; [L16] int w = 23; [L17] int x = 24; [L18] int y = 25; [L19] int z = 26; [L22] int a25 = 0; [L23] int a11 = 0; [L24] int a28 = 7; [L25] int a19 = 1; [L26] int a21 = 1; [L27] int a17 = 8; [L603] int output = -1; [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND TRUE ((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1))) [L235] a28 = 9 [L236] return 23; [L614] RET, EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L394] COND TRUE (((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1)) [L395] a19 = 0 [L396] a28 = 7 [L397] return 25; [L614] RET, EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND TRUE ((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1)) [L55] a28 = 7 [L56] a11 = 1 [L57] a25 = 0 [L58] return -1; [L614] RET, EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L394] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L398] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L402] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L404] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L407] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L409] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L414] COND TRUE (((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8)) [L415] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 527 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 39.9s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2050 SDtfs, 6069 SDslu, 1554 SDs, 0 SdLazy, 7913 SolverSat, 840 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3584occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 845 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.7s InterpolantComputationTime, 1611 NumberOfCodeBlocks, 1611 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1327 ConstructedInterpolants, 0 QuantifiedInterpolants, 640467 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 526/566 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...