/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:29:25,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:29:25,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:29:25,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:29:25,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:29:25,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:29:25,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:29:25,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:29:25,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:29:25,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:29:25,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:29:25,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:29:25,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:29:25,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:29:25,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:29:25,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:29:25,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:29:25,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:29:25,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:29:25,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:29:25,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:29:25,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:29:25,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:29:25,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:29:25,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:29:25,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:29:25,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:29:25,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:29:25,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:29:25,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:29:25,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:29:25,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:29:25,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:29:25,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:29:25,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:29:25,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:29:25,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:29:25,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:29:25,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:29:25,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:29:25,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:29:25,852 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 [2020-09-21 12:29:25,879 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:29:25,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:29:25,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:29:25,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:29:25,880 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:29:25,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:29:25,881 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:29:25,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:29:25,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:29:25,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:29:25,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:29:25,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:29:25,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:29:25,882 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:29:25,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:29:25,883 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:29:25,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:29:25,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:29:25,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:29:25,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:29:25,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:29:25,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:29:25,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:29:25,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:29:25,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:29:25,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:29:25,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:29:25,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:29:25,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:29:25,885 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.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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:29:26,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:29:26,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:29:26,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:29:26,360 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:29:26,360 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:29:26,361 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-09-21 12:29:26,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e08c3142/8ad74506c82d4f3aa49b02703a4788be/FLAGfa19616d8 [2020-09-21 12:29:27,139 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:29:27,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-09-21 12:29:27,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e08c3142/8ad74506c82d4f3aa49b02703a4788be/FLAGfa19616d8 [2020-09-21 12:29:27,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e08c3142/8ad74506c82d4f3aa49b02703a4788be [2020-09-21 12:29:27,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:29:27,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:29:27,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:29:27,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:29:27,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:29:27,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:29:27" (1/1) ... [2020-09-21 12:29:27,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b06afa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:27, skipping insertion in model container [2020-09-21 12:29:27,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:29:27" (1/1) ... [2020-09-21 12:29:27,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:29:27,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:29:28,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:29:28,027 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:29:28,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:29:28,163 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:29:28,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:28 WrapperNode [2020-09-21 12:29:28,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:29:28,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:29:28,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:29:28,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:29:28,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:28" (1/1) ... [2020-09-21 12:29:28,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:28" (1/1) ... [2020-09-21 12:29:28,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:28" (1/1) ... [2020-09-21 12:29:28,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:28" (1/1) ... [2020-09-21 12:29:28,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:28" (1/1) ... [2020-09-21 12:29:28,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:28" (1/1) ... [2020-09-21 12:29:28,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:28" (1/1) ... [2020-09-21 12:29:28,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:29:28,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:29:28,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:29:28,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:29:28,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:28" (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 [2020-09-21 12:29:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:29:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:29:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:29:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:29:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:29:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:29:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:29:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:29:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:29:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:29:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:29:29,693 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:29:29,694 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:29:29,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:29:29 BoogieIcfgContainer [2020-09-21 12:29:29,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:29:29,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:29:29,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:29:29,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:29:29,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:29:27" (1/3) ... [2020-09-21 12:29:29,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8bd983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:29:29, skipping insertion in model container [2020-09-21 12:29:29,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:28" (2/3) ... [2020-09-21 12:29:29,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8bd983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:29:29, skipping insertion in model container [2020-09-21 12:29:29,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:29:29" (3/3) ... [2020-09-21 12:29:29,726 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-09-21 12:29:29,739 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:29:29,753 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:29:29,777 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:29:29,819 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:29:29,820 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:29:29,820 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:29:29,820 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:29:29,821 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:29:29,821 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:29:29,821 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:29:29,821 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:29:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 12:29:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-21 12:29:29,883 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:29,885 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:29,885 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:29,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:29,894 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2020-09-21 12:29:29,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:29,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183156379] [2020-09-21 12:29:29,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:30,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:30,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:31,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:31,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 12:29:31,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:31,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1028 [2020-09-21 12:29:31,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:29:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:29:31,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-21 12:29:31,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:29:31,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:31,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:31,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:31,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:31,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:31,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:29:31,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:31,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:29:31,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:31,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183156379] [2020-09-21 12:29:31,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:29:31,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:29:31,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654110093] [2020-09-21 12:29:31,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:29:31,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:31,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:29:31,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:29:31,541 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-09-21 12:29:33,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:33,331 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-09-21 12:29:33,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:33,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2020-09-21 12:29:33,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:33,354 INFO L225 Difference]: With dead ends: 627 [2020-09-21 12:29:33,355 INFO L226 Difference]: Without dead ends: 327 [2020-09-21 12:29:33,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:33,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-21 12:29:33,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-09-21 12:29:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 12:29:33,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 465 transitions. [2020-09-21 12:29:33,461 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 465 transitions. Word has length 123 [2020-09-21 12:29:33,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:33,462 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 465 transitions. [2020-09-21 12:29:33,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:29:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 465 transitions. [2020-09-21 12:29:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-21 12:29:33,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:33,468 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:33,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:29:33,487 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:33,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:33,487 INFO L82 PathProgramCache]: Analyzing trace with hash -295293823, now seen corresponding path program 1 times [2020-09-21 12:29:33,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:33,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287290172] [2020-09-21 12:29:33,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:33,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:33,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:34,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:34,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-21 12:29:34,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-09-21 12:29:34,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-21 12:29:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-21 12:29:34,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:34,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:34,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:34,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:34,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:34,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:34,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:29:34,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:34,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:34,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:34,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:34,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:29:34,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 12:29:34,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:29:34,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:35,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287290172] [2020-09-21 12:29:35,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:35,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:29:35,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11480955] [2020-09-21 12:29:35,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:29:35,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:35,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:29:35,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:35,104 INFO L87 Difference]: Start difference. First operand 319 states and 465 transitions. Second operand 6 states. [2020-09-21 12:29:36,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:36,511 INFO L93 Difference]: Finished difference Result 729 states and 1105 transitions. [2020-09-21 12:29:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:36,512 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-09-21 12:29:36,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:36,516 INFO L225 Difference]: With dead ends: 729 [2020-09-21 12:29:36,517 INFO L226 Difference]: Without dead ends: 327 [2020-09-21 12:29:36,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:36,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-21 12:29:36,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-09-21 12:29:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 12:29:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 463 transitions. [2020-09-21 12:29:36,543 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 463 transitions. Word has length 145 [2020-09-21 12:29:36,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:36,544 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 463 transitions. [2020-09-21 12:29:36,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:29:36,544 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 463 transitions. [2020-09-21 12:29:36,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-21 12:29:36,548 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:36,548 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:36,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:29:36,549 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:36,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:36,549 INFO L82 PathProgramCache]: Analyzing trace with hash -2124265719, now seen corresponding path program 1 times [2020-09-21 12:29:36,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:36,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965422296] [2020-09-21 12:29:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:36,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:36,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:37,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:37,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-09-21 12:29:37,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:37,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:29:37,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:37,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:37,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 12:29:37,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 12:29:37,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:37,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:37,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:38,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:38,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:38,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:29:38,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:38,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:38,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:38,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:38,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:38,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:29:38,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 12:29:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 12:29:38,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:38,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965422296] [2020-09-21 12:29:38,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:38,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:38,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888160529] [2020-09-21 12:29:38,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:38,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:38,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:38,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:38,235 INFO L87 Difference]: Start difference. First operand 319 states and 463 transitions. Second operand 5 states. [2020-09-21 12:29:39,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:39,532 INFO L93 Difference]: Finished difference Result 726 states and 1097 transitions. [2020-09-21 12:29:39,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:39,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-21 12:29:39,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:39,536 INFO L225 Difference]: With dead ends: 726 [2020-09-21 12:29:39,536 INFO L226 Difference]: Without dead ends: 327 [2020-09-21 12:29:39,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:39,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-21 12:29:39,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-09-21 12:29:39,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 12:29:39,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 455 transitions. [2020-09-21 12:29:39,556 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 455 transitions. Word has length 149 [2020-09-21 12:29:39,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:39,557 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 455 transitions. [2020-09-21 12:29:39,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:39,557 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 455 transitions. [2020-09-21 12:29:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-21 12:29:39,561 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:39,561 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:39,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:29:39,562 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:39,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:39,562 INFO L82 PathProgramCache]: Analyzing trace with hash 566845841, now seen corresponding path program 1 times [2020-09-21 12:29:39,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:39,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873848460] [2020-09-21 12:29:39,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:39,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:39,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:40,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-09-21 12:29:40,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:40,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-09-21 12:29:40,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:40,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:40,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-21 12:29:40,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-21 12:29:40,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:40,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:40,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:40,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:40,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:40,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:29:40,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:40,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:40,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:40,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:40,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:40,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:40,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:40,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:29:40,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:29:40,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:29:40,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:40,995 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:40,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873848460] [2020-09-21 12:29:40,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:40,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:40,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636530441] [2020-09-21 12:29:40,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:40,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:40,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:40,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:40,998 INFO L87 Difference]: Start difference. First operand 319 states and 455 transitions. Second operand 5 states. [2020-09-21 12:29:42,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:42,241 INFO L93 Difference]: Finished difference Result 728 states and 1079 transitions. [2020-09-21 12:29:42,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:42,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-09-21 12:29:42,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:42,247 INFO L225 Difference]: With dead ends: 728 [2020-09-21 12:29:42,247 INFO L226 Difference]: Without dead ends: 327 [2020-09-21 12:29:42,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:42,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-21 12:29:42,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-09-21 12:29:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 12:29:42,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 451 transitions. [2020-09-21 12:29:42,263 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 451 transitions. Word has length 153 [2020-09-21 12:29:42,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:42,264 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 451 transitions. [2020-09-21 12:29:42,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 451 transitions. [2020-09-21 12:29:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-21 12:29:42,268 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:42,268 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:29:42,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:29:42,269 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:42,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:42,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1792978100, now seen corresponding path program 1 times [2020-09-21 12:29:42,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:42,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948286629] [2020-09-21 12:29:42,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:42,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:42,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:42,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:43,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:43,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-21 12:29:43,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:43,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1025 [2020-09-21 12:29:43,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 12:29:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-21 12:29:43,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:43,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:43,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:43,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:43,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:43,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:43,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:29:43,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:43,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:43,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:43,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:43,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:43,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:29:43,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:43,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 12:29:43,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:43,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-21 12:29:43,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:43,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948286629] [2020-09-21 12:29:43,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:43,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:43,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495955889] [2020-09-21 12:29:43,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:43,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:43,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:43,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:43,739 INFO L87 Difference]: Start difference. First operand 319 states and 451 transitions. Second operand 5 states. [2020-09-21 12:29:45,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:45,217 INFO L93 Difference]: Finished difference Result 936 states and 1343 transitions. [2020-09-21 12:29:45,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:45,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 193 [2020-09-21 12:29:45,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:45,222 INFO L225 Difference]: With dead ends: 936 [2020-09-21 12:29:45,222 INFO L226 Difference]: Without dead ends: 623 [2020-09-21 12:29:45,224 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 [2020-09-21 12:29:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-09-21 12:29:45,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 616. [2020-09-21 12:29:45,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-09-21 12:29:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 834 transitions. [2020-09-21 12:29:45,262 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 834 transitions. Word has length 193 [2020-09-21 12:29:45,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:45,263 INFO L479 AbstractCegarLoop]: Abstraction has 616 states and 834 transitions. [2020-09-21 12:29:45,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 834 transitions. [2020-09-21 12:29:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-21 12:29:45,269 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:45,269 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:45,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:29:45,269 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:45,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:45,270 INFO L82 PathProgramCache]: Analyzing trace with hash -993582938, now seen corresponding path program 1 times [2020-09-21 12:29:45,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:45,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113202081] [2020-09-21 12:29:45,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:45,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:45,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:45,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:46,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:46,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-21 12:29:46,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:46,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1052 [2020-09-21 12:29:46,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 12:29:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 12:29:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:46,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:46,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:46,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:46,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:46,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:46,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:29:46,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:46,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:46,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:46,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:46,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:46,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:46,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:46,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:46,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 12:29:46,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:46,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 12:29:46,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:46,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 12:29:46,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:46,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:29:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:46,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:46,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:46,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:29:46,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:46,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-21 12:29:46,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:46,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:46,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:29:46,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 12:29:46,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:46,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-09-21 12:29:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:46,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:46,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:46,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:29:46,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:46,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:29:46,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:46,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:46,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-21 12:29:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 172 proven. 55 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-21 12:29:47,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113202081] [2020-09-21 12:29:47,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:47,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:29:47,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151416555] [2020-09-21 12:29:47,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:29:47,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:47,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:29:47,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:47,124 INFO L87 Difference]: Start difference. First operand 616 states and 834 transitions. Second operand 7 states. [2020-09-21 12:29:49,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:49,376 INFO L93 Difference]: Finished difference Result 1832 states and 2494 transitions. [2020-09-21 12:29:49,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:29:49,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 279 [2020-09-21 12:29:49,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:49,387 INFO L225 Difference]: With dead ends: 1832 [2020-09-21 12:29:49,387 INFO L226 Difference]: Without dead ends: 923 [2020-09-21 12:29:49,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:29:49,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-09-21 12:29:49,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 915. [2020-09-21 12:29:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2020-09-21 12:29:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1152 transitions. [2020-09-21 12:29:49,437 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1152 transitions. Word has length 279 [2020-09-21 12:29:49,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:49,437 INFO L479 AbstractCegarLoop]: Abstraction has 915 states and 1152 transitions. [2020-09-21 12:29:49,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:29:49,437 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1152 transitions. [2020-09-21 12:29:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-09-21 12:29:49,446 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:49,447 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:49,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:29:49,447 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:49,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:49,448 INFO L82 PathProgramCache]: Analyzing trace with hash -844474954, now seen corresponding path program 1 times [2020-09-21 12:29:49,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:49,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617406881] [2020-09-21 12:29:49,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:49,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:49,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:50,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:50,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-09-21 12:29:50,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:50,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:29:50,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:50,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:50,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-09-21 12:29:50,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-21 12:29:50,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:50,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:50,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:50,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:50,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:50,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:50,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:29:50,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:50,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:50,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:50,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:50,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:29:50,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 12:29:50,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:50,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:50,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:29:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:50,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:50,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:50,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:29:50,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:50,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 12:29:50,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:50,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:50,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:50,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-21 12:29:50,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 12:29:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:50,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:50,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:50,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:29:50,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-21 12:29:50,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:29:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 12:29:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:51,071 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 242 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-21 12:29:51,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617406881] [2020-09-21 12:29:51,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:51,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:29:51,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736075806] [2020-09-21 12:29:51,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:29:51,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:51,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:29:51,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:51,075 INFO L87 Difference]: Start difference. First operand 915 states and 1152 transitions. Second operand 7 states. [2020-09-21 12:29:52,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:52,378 INFO L93 Difference]: Finished difference Result 1370 states and 1700 transitions. [2020-09-21 12:29:52,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:29:52,380 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 287 [2020-09-21 12:29:52,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:52,381 INFO L225 Difference]: With dead ends: 1370 [2020-09-21 12:29:52,381 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:29:52,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:29:52,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:29:52,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:29:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:29:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:29:52,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 287 [2020-09-21 12:29:52,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:52,389 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:29:52,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:29:52,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:29:52,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:29:52,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:29:52,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:29:52,988 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2020-09-21 12:29:53,183 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2020-09-21 12:29:53,615 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 56 [2020-09-21 12:29:53,939 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2020-09-21 12:29:54,182 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2020-09-21 12:29:54,186 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:29:54,187 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 12:29:54,187 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:29:54,187 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,188 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,188 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,188 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,188 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,188 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 12:29:54,189 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 12:29:54,189 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 12:29:54,189 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 12:29:54,189 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 12:29:54,189 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 12:29:54,190 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 12:29:54,190 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 12:29:54,190 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 12:29:54,190 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:29:54,190 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:29:54,190 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:29:54,190 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 12:29:54,191 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,191 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,191 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,191 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,191 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 12:29:54,191 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,191 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 12:29:54,191 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 12:29:54,192 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 12:29:54,192 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 12:29:54,192 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 12:29:54,192 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 12:29:54,192 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 12:29:54,192 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:29:54,192 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:29:54,192 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 12:29:54,193 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 12:29:54,193 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 12:29:54,193 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:29:54,193 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:29:54,193 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 12:29:54,193 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,193 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,193 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,194 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,194 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,194 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2020-09-21 12:29:54,194 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:29:54,194 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 12:29:54,194 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:29:54,195 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 12:29:54,195 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 12:29:54,195 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 12:29:54,195 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 12:29:54,195 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 12:29:54,195 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 12:29:54,195 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 12:29:54,195 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 12:29:54,196 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,196 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,196 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,196 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,196 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,196 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 12:29:54,196 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 12:29:54,196 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 12:29:54,196 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,197 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,198 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,198 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,198 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,198 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 12:29:54,198 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 12:29:54,198 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 12:29:54,198 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 12:29:54,198 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:29:54,199 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 12:29:54,200 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 12:29:54,201 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 12:29:54,201 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 12:29:54,201 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:29:54,201 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 12:29:54,201 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 12:29:54,201 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 12:29:54,201 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 12:29:54,201 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 12:29:54,201 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 12:29:54,202 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,202 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,202 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,202 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,202 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,202 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,202 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 12:29:54,202 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 12:29:54,202 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 12:29:54,203 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 12:29:54,203 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 12:29:54,203 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 12:29:54,203 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 12:29:54,203 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 12:29:54,203 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 12:29:54,203 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 12:29:54,203 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 12:29:54,204 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,204 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,204 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,204 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,204 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,204 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,204 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 12:29:54,204 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 12:29:54,205 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 12:29:54,205 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 12:29:54,205 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 12:29:54,205 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 12:29:54,205 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:29:54,205 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 12:29:54,205 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 12:29:54,206 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 12:29:54,206 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 12:29:54,206 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 12:29:54,206 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 12:29:54,206 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 12:29:54,206 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,206 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,206 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,207 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse4 (not (= 7 |old(~a17~0)|))) (.cse5 (= 7 ~a17~0)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|)) (.cse6 (not (= ~a21~0 1))) (.cse7 (not (= |old(~a11~0)| 1)))) (and (or (and .cse0 .cse1 .cse2 (= ~a17~0 8) .cse3) (not (= 8 |old(~a17~0)|))) (or (not (= |old(~a25~0)| 1)) .cse4 (and .cse5 .cse1 (= ~a25~0 1) (= ~a28~0 9) .cse3) (not (= 9 |old(~a28~0)|)) .cse6 .cse7) (or .cse4 (and .cse0 .cse5 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) .cse7) (or (not (= 10 |old(~a28~0)|)) .cse4 (and .cse5 .cse1 .cse2 .cse3 (= ~a28~0 10)) (not (<= |old(~a25~0)| 0)) .cse6 (not (<= |old(~a19~0)| 0)) .cse7))) [2020-09-21 12:29:54,207 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,207 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,207 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,207 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 12:29:54,208 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 12:29:54,208 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 12:29:54,208 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 12:29:54,208 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 12:29:54,208 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 12:29:54,208 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 12:29:54,208 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:29:54,208 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 12:29:54,208 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 12:29:54,209 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 12:29:54,209 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 12:29:54,209 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 12:29:54,209 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,209 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,209 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,209 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,209 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,210 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,210 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 12:29:54,210 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 12:29:54,210 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 12:29:54,210 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 12:29:54,210 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 12:29:54,210 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 12:29:54,210 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:29:54,210 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 12:29:54,210 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 12:29:54,211 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 12:29:54,211 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 12:29:54,211 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:29:54,211 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:29:54,211 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 12:29:54,211 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 12:29:54,211 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 12:29:54,211 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,212 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,212 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,212 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,212 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:54,212 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 12:29:54,212 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 12:29:54,212 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 12:29:54,212 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 12:29:54,213 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 12:29:54,213 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 12:29:54,213 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 12:29:54,213 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:29:54,213 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:29:54,213 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 12:29:54,213 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 12:29:54,213 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:29:54,213 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 12:29:54,214 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:29:54,214 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 12:29:54,214 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:29:54,214 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:29:54,214 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 12:29:54,214 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 12:29:54,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:29:54,214 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a17~0 8)) [2020-09-21 12:29:54,215 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:29:54,215 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:29:54,215 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|))) [2020-09-21 12:29:54,215 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a19~0 1)) (.cse4 (= ~a17~0 8)) (.cse5 (or (<= |old(~a11~0)| 0) (<= 2 |old(~a11~0)|))) (.cse0 (= 7 ~a17~0)) (.cse1 (= ~a21~0 1)) (.cse3 (= ~a11~0 1))) (or (and .cse0 .cse1 (not .cse2) (= ~a25~0 1) (= ~a28~0 9) .cse3) (and (<= 1 ~a11~0) (<= 7 ~a17~0) .cse1 (<= 1 ~a25~0) (<= 7 ~a28~0) (<= ~a11~0 1) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a25~0 1) (<= ~a17~0 7) (<= 1 ~a19~0)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse4 (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse2 .cse5 .cse3) (and .cse4 .cse5) (and (<= ~a19~0 0) .cse0 .cse1 .cse3 (<= ~a25~0 0) (= ~a28~0 10)))) [2020-09-21 12:29:54,215 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:29:54,216 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:29:54,216 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= ~a19~0 1)) (.cse4 (= ~a17~0 8)) (.cse5 (or (<= |old(~a11~0)| 0) (<= 2 |old(~a11~0)|))) (.cse0 (= 7 ~a17~0)) (.cse1 (= ~a21~0 1)) (.cse3 (= ~a11~0 1))) (or (and .cse0 .cse1 (not .cse2) (= ~a25~0 1) (= ~a28~0 9) .cse3) (and (<= 1 ~a11~0) (<= 7 ~a17~0) .cse1 (<= 1 ~a25~0) (<= 7 ~a28~0) (<= ~a11~0 1) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a25~0 1) (<= ~a17~0 7) (<= 1 ~a19~0)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse4 (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse2 .cse5 .cse3) (and .cse4 .cse5) (and (<= ~a19~0 0) .cse0 .cse1 .cse3 (<= ~a25~0 0) (= ~a28~0 10)))) [2020-09-21 12:29:54,216 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 12:29:54,216 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 12:29:54,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:29:54 BoogieIcfgContainer [2020-09-21 12:29:54,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:29:54,247 INFO L168 Benchmark]: Toolchain (without parser) took 26910.35 ms. Allocated memory was 137.4 MB in the beginning and 575.7 MB in the end (delta: 438.3 MB). Free memory was 98.6 MB in the beginning and 459.8 MB in the end (delta: -361.3 MB). Peak memory consumption was 463.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:54,248 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-21 12:29:54,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.60 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 97.7 MB in the beginning and 167.7 MB in the end (delta: -70.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:54,250 INFO L168 Benchmark]: Boogie Preprocessor took 142.23 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 163.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:54,251 INFO L168 Benchmark]: RCFGBuilder took 1402.88 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 162.5 MB in the beginning and 179.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:54,252 INFO L168 Benchmark]: TraceAbstraction took 24531.03 ms. Allocated memory was 231.2 MB in the beginning and 575.7 MB in the end (delta: 344.5 MB). Free memory was 177.4 MB in the beginning and 459.8 MB in the end (delta: -282.4 MB). Peak memory consumption was 448.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:54,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 819.60 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 97.7 MB in the beginning and 167.7 MB in the end (delta: -70.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.23 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 163.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1402.88 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 162.5 MB in the beginning and 179.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24531.03 ms. Allocated memory was 231.2 MB in the beginning and 575.7 MB in the end (delta: 344.5 MB). Free memory was 177.4 MB in the beginning and 459.8 MB in the end (delta: -282.4 MB). Peak memory consumption was 448.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((7 == a17 && a21 == 1) && !(a19 == 1)) && a25 == 1) && a28 == 9) && a11 == 1) || ((((((((((1 <= a11 && 7 <= a17) && a21 == 1) && 1 <= a25) && 7 <= a28) && a11 <= 1) && a19 <= 1) && a28 <= 7) && a25 <= 1) && a17 <= 7) && 1 <= a19)) || !(\old(a19) == 1)) || ((((a28 == \old(a28) && a11 == \old(a11)) && a25 == \old(a25)) && a17 == 8) && a19 == \old(a19))) || !(8 == \old(a17))) || (((7 == a17 && a19 == 1) && (\old(a11) <= 0 || 2 <= \old(a11))) && a11 == 1)) || (a17 == 8 && (\old(a11) <= 0 || 2 <= \old(a11)))) || (((((a19 <= 0 && 7 == a17) && a21 == 1) && a11 == 1) && a25 <= 0) && a28 == 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.5s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 249 SDtfs, 2266 SDslu, 254 SDs, 0 SdLazy, 5700 SolverSat, 830 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=915occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 47 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 34 PreInvPairs, 54 NumberOfFragments, 466 HoareAnnotationTreeSize, 34 FomulaSimplifications, 22312 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1035 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 1329 NumberOfCodeBlocks, 1329 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1322 ConstructedInterpolants, 0 QuantifiedInterpolants, 1665926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 607/668 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 correct! Received shutdown request...