/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:53:43,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:53:43,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:53:43,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:53:43,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:53:43,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:53:43,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:53:43,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:53:43,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:53:43,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:53:43,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:53:43,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:53:43,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:53:43,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:53:43,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:53:43,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:53:43,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:53:43,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:53:43,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:53:43,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:53:43,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:53:43,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:53:43,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:53:43,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:53:43,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:53:43,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:53:43,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:53:43,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:53:43,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:53:43,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:53:43,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:53:43,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:53:43,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:53:43,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:53:43,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:53:43,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:53:43,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:53:43,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:53:43,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:53:43,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:53:43,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:53:43,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:53:43,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:53:43,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:53:43,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:53:43,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:53:43,984 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:53:43,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:53:43,985 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:53:43,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:53:43,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:53:43,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:53:43,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:53:43,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:53:43,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:53:43,986 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:53:43,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:53:43,986 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:53:43,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:53:43,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:53:43,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:53:43,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:53:43,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:53:43,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:53:43,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:53:43,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:53:43,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:53:43,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:53:43,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:53:43,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:53:43,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:53:43,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:53:44,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:53:44,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:53:44,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:53:44,309 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:53:44,309 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:53:44,310 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-10-14 20:53:44,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26f8e2f69/936fed5cd6e349268087aaee7893385a/FLAG02d2688b4 [2020-10-14 20:53:44,877 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:53:44,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-10-14 20:53:44,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26f8e2f69/936fed5cd6e349268087aaee7893385a/FLAG02d2688b4 [2020-10-14 20:53:45,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26f8e2f69/936fed5cd6e349268087aaee7893385a [2020-10-14 20:53:45,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:53:45,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:53:45,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:53:45,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:53:45,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:53:45,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:53:45" (1/1) ... [2020-10-14 20:53:45,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45, skipping insertion in model container [2020-10-14 20:53:45,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:53:45" (1/1) ... [2020-10-14 20:53:45,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:53:45,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:53:45,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:53:45,777 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:53:45,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:53:45,924 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:53:45,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45 WrapperNode [2020-10-14 20:53:45,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:53:45,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:53:45,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:53:45,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:53:45,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45" (1/1) ... [2020-10-14 20:53:45,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45" (1/1) ... [2020-10-14 20:53:45,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45" (1/1) ... [2020-10-14 20:53:45,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45" (1/1) ... [2020-10-14 20:53:45,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45" (1/1) ... [2020-10-14 20:53:46,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45" (1/1) ... [2020-10-14 20:53:46,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45" (1/1) ... [2020-10-14 20:53:46,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:53:46,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:53:46,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:53:46,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:53:46,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:53:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:53:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:53:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:53:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:53:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:53:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:53:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:53:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:53:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:53:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:53:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:53:47,385 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:53:47,386 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:53:47,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:53:47 BoogieIcfgContainer [2020-10-14 20:53:47,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:53:47,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:53:47,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:53:47,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:53:47,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:53:45" (1/3) ... [2020-10-14 20:53:47,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341adf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:53:47, skipping insertion in model container [2020-10-14 20:53:47,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:45" (2/3) ... [2020-10-14 20:53:47,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341adf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:53:47, skipping insertion in model container [2020-10-14 20:53:47,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:53:47" (3/3) ... [2020-10-14 20:53:47,409 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label40.c [2020-10-14 20:53:47,420 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:53:47,433 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:53:47,446 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:53:47,469 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:53:47,470 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:53:47,470 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:53:47,470 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:53:47,470 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:53:47,471 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:53:47,471 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:53:47,471 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:53:47,491 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:53:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-14 20:53:47,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:47,502 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] [2020-10-14 20:53:47,502 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:47,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:47,507 INFO L82 PathProgramCache]: Analyzing trace with hash -576444522, now seen corresponding path program 1 times [2020-10-14 20:53:47,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:47,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889771490] [2020-10-14 20:53:47,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:47,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:48,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:48,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 20:53:48,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:48,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-14 20:53:48,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:48,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 20:53:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:53:48,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:48,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:48,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:48,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:48,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 20:53:48,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:48,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:48,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:48,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889771490] [2020-10-14 20:53:48,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:53:48,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:53:48,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394923448] [2020-10-14 20:53:48,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:53:48,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:48,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:53:48,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:53:48,194 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:53:49,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:49,551 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-14 20:53:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:49,553 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-10-14 20:53:49,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:49,569 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:53:49,570 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:53:49,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:49,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:53:49,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-14 20:53:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 20:53:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-10-14 20:53:49,651 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 55 [2020-10-14 20:53:49,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:49,651 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-10-14 20:53:49,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:53:49,652 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-10-14 20:53:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 20:53:49,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:49,657 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:49,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:53:49,658 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:49,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:49,658 INFO L82 PathProgramCache]: Analyzing trace with hash 514536086, now seen corresponding path program 1 times [2020-10-14 20:53:49,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:49,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147306741] [2020-10-14 20:53:49,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:49,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:49,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:50,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:50,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 20:53:50,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:50,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 817 [2020-10-14 20:53:50,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:50,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:53:50,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:53:50,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:50,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:50,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:50,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:50,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:50,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 20:53:50,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:50,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:50,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:50,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:50,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:50,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:50,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:50,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:50,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:53:50,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:50,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 20:53:50,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:50,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:50,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:50,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:50,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:53:50,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 20:53:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:50,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147306741] [2020-10-14 20:53:50,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:53:50,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:53:50,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441832448] [2020-10-14 20:53:50,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:50,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:50,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:50,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:50,879 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 7 states. [2020-10-14 20:53:52,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:52,267 INFO L93 Difference]: Finished difference Result 908 states and 1332 transitions. [2020-10-14 20:53:52,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:53:52,268 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-10-14 20:53:52,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:52,275 INFO L225 Difference]: With dead ends: 908 [2020-10-14 20:53:52,275 INFO L226 Difference]: Without dead ends: 618 [2020-10-14 20:53:52,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:53:52,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-10-14 20:53:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 596. [2020-10-14 20:53:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-14 20:53:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 767 transitions. [2020-10-14 20:53:52,325 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 767 transitions. Word has length 127 [2020-10-14 20:53:52,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:52,326 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 767 transitions. [2020-10-14 20:53:52,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 767 transitions. [2020-10-14 20:53:52,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 20:53:52,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:52,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:52,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:53:52,329 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:52,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:52,330 INFO L82 PathProgramCache]: Analyzing trace with hash 952189433, now seen corresponding path program 1 times [2020-10-14 20:53:52,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:52,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179339035] [2020-10-14 20:53:52,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:52,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:52,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:52,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:52,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 20:53:52,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:52,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-14 20:53:52,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:52,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:52,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:52,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:53:52,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 20:53:52,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:52,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:52,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:52,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:52,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:52,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:52,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:53:52,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:52,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:52,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:52,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:52,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:52,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:52,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:53:52,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:52,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 20:53:52,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:52,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:52,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:52,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:53:52,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:53,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179339035] [2020-10-14 20:53:53,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:53,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:53:53,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610667502] [2020-10-14 20:53:53,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:53:53,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:53,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:53:53,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:53,016 INFO L87 Difference]: Start difference. First operand 596 states and 767 transitions. Second operand 5 states. [2020-10-14 20:53:54,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:54,179 INFO L93 Difference]: Finished difference Result 1488 states and 2000 transitions. [2020-10-14 20:53:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:54,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-10-14 20:53:54,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:54,192 INFO L225 Difference]: With dead ends: 1488 [2020-10-14 20:53:54,193 INFO L226 Difference]: Without dead ends: 898 [2020-10-14 20:53:54,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:53:54,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-10-14 20:53:54,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 894. [2020-10-14 20:53:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-14 20:53:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1138 transitions. [2020-10-14 20:53:54,242 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1138 transitions. Word has length 134 [2020-10-14 20:53:54,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:54,243 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1138 transitions. [2020-10-14 20:53:54,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:53:54,243 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1138 transitions. [2020-10-14 20:53:54,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-14 20:53:54,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:54,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:54,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:53:54,249 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:54,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:54,249 INFO L82 PathProgramCache]: Analyzing trace with hash 528848677, now seen corresponding path program 1 times [2020-10-14 20:53:54,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:54,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216798779] [2020-10-14 20:53:54,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:54,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:54,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:55,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:55,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:55,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-14 20:53:55,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:55,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1408 [2020-10-14 20:53:55,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:55,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:55,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-14 20:53:55,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:55,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:55,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:55,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:55,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:55,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:55,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:53:55,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:55,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:55,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:55,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:55,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:55,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:55,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 20:53:55,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-14 20:53:55,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:55,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 20:53:55,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:56,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216798779] [2020-10-14 20:53:56,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:53:56,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:53:56,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569744431] [2020-10-14 20:53:56,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:56,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:56,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:56,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:56,155 INFO L87 Difference]: Start difference. First operand 894 states and 1138 transitions. Second operand 7 states. [2020-10-14 20:53:57,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:57,371 INFO L93 Difference]: Finished difference Result 1947 states and 2474 transitions. [2020-10-14 20:53:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:53:57,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2020-10-14 20:53:57,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:57,386 INFO L225 Difference]: With dead ends: 1947 [2020-10-14 20:53:57,386 INFO L226 Difference]: Without dead ends: 1059 [2020-10-14 20:53:57,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:53:57,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-10-14 20:53:57,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1045. [2020-10-14 20:53:57,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-10-14 20:53:57,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1304 transitions. [2020-10-14 20:53:57,443 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1304 transitions. Word has length 172 [2020-10-14 20:53:57,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:57,444 INFO L479 AbstractCegarLoop]: Abstraction has 1045 states and 1304 transitions. [2020-10-14 20:53:57,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:57,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1304 transitions. [2020-10-14 20:53:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-14 20:53:57,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:57,452 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:57,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:53:57,452 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:57,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:57,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1585620223, now seen corresponding path program 1 times [2020-10-14 20:53:57,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:57,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459503070] [2020-10-14 20:53:57,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:57,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:57,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:58,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:58,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-14 20:53:58,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:58,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 712 [2020-10-14 20:53:58,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:58,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:53:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 20:53:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:58,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:58,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:58,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:58,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:58,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:58,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:53:58,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:58,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:58,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:58,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:58,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:58,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:58,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:53:58,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:58,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 20:53:58,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:58,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:58,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:53:58,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:58,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:53:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:58,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:58,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:58,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:53:58,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 20:53:58,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:58,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:58,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:58,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:58,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:53:58,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:53:58,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459503070] [2020-10-14 20:53:58,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:58,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:53:58,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830006435] [2020-10-14 20:53:58,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:53:58,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:58,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:53:58,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:53:58,629 INFO L87 Difference]: Start difference. First operand 1045 states and 1304 transitions. Second operand 8 states. [2020-10-14 20:54:00,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:00,559 INFO L93 Difference]: Finished difference Result 1965 states and 2497 transitions. [2020-10-14 20:54:00,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 20:54:00,561 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 206 [2020-10-14 20:54:00,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:00,569 INFO L225 Difference]: With dead ends: 1965 [2020-10-14 20:54:00,570 INFO L226 Difference]: Without dead ends: 1069 [2020-10-14 20:54:00,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 20:54:00,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2020-10-14 20:54:00,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 900. [2020-10-14 20:54:00,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2020-10-14 20:54:00,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1034 transitions. [2020-10-14 20:54:00,610 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1034 transitions. Word has length 206 [2020-10-14 20:54:00,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:00,611 INFO L479 AbstractCegarLoop]: Abstraction has 900 states and 1034 transitions. [2020-10-14 20:54:00,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:54:00,611 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1034 transitions. [2020-10-14 20:54:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-14 20:54:00,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:00,615 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:00,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:54:00,616 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:00,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:00,616 INFO L82 PathProgramCache]: Analyzing trace with hash 148684186, now seen corresponding path program 1 times [2020-10-14 20:54:00,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:00,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241756623] [2020-10-14 20:54:00,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:00,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:00,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:01,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:01,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:01,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-14 20:54:01,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 882 [2020-10-14 20:54:01,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:01,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:54:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 20:54:01,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:01,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:01,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:01,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:01,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:01,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:01,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:01,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:01,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:01,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:01,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:01,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:01,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:01,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:54:01,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:01,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 20:54:01,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:01,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:01,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:01,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:01,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:01,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:01,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:54:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:01,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:01,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:01,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:54:01,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 20:54:01,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:01,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:54:01,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:01,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241756623] [2020-10-14 20:54:01,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:01,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:01,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342092651] [2020-10-14 20:54:01,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:01,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:01,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:01,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:01,871 INFO L87 Difference]: Start difference. First operand 900 states and 1034 transitions. Second operand 7 states. [2020-10-14 20:54:03,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:03,805 INFO L93 Difference]: Finished difference Result 2390 states and 2819 transitions. [2020-10-14 20:54:03,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:54:03,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 215 [2020-10-14 20:54:03,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:03,818 INFO L225 Difference]: With dead ends: 2390 [2020-10-14 20:54:03,818 INFO L226 Difference]: Without dead ends: 1339 [2020-10-14 20:54:03,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:03,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-10-14 20:54:03,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1045. [2020-10-14 20:54:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-10-14 20:54:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1160 transitions. [2020-10-14 20:54:03,851 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1160 transitions. Word has length 215 [2020-10-14 20:54:03,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:03,852 INFO L479 AbstractCegarLoop]: Abstraction has 1045 states and 1160 transitions. [2020-10-14 20:54:03,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:03,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1160 transitions. [2020-10-14 20:54:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-14 20:54:03,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:03,856 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:03,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:54:03,856 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:03,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:03,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1123243390, now seen corresponding path program 1 times [2020-10-14 20:54:03,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:03,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592679111] [2020-10-14 20:54:03,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:03,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:04,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:04,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:04,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-14 20:54:04,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 741 [2020-10-14 20:54:04,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:04,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194 [2020-10-14 20:54:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 20:54:04,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:04,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:04,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:04,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:04,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:04,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:54:04,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:04,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:04,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:04,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:04,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:04,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:04,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:54:04,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:04,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 20:54:04,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:04,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:04,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:04,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:04,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:54:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:04,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:04,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:04,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 20:54:04,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:04,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 20:54:04,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:04,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:04,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:04,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:04,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 20:54:04,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-14 20:54:05,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592679111] [2020-10-14 20:54:05,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:05,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:05,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18066881] [2020-10-14 20:54:05,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:05,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:05,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:05,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:05,034 INFO L87 Difference]: Start difference. First operand 1045 states and 1160 transitions. Second operand 5 states. [2020-10-14 20:54:06,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:06,275 INFO L93 Difference]: Finished difference Result 2676 states and 3016 transitions. [2020-10-14 20:54:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:06,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 237 [2020-10-14 20:54:06,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:06,283 INFO L225 Difference]: With dead ends: 2676 [2020-10-14 20:54:06,284 INFO L226 Difference]: Without dead ends: 1635 [2020-10-14 20:54:06,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:06,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-10-14 20:54:06,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1341. [2020-10-14 20:54:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1341 states. [2020-10-14 20:54:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1516 transitions. [2020-10-14 20:54:06,323 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1516 transitions. Word has length 237 [2020-10-14 20:54:06,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:06,323 INFO L479 AbstractCegarLoop]: Abstraction has 1341 states and 1516 transitions. [2020-10-14 20:54:06,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:06,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1516 transitions. [2020-10-14 20:54:06,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-14 20:54:06,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:06,328 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:06,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:54:06,328 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:06,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:06,329 INFO L82 PathProgramCache]: Analyzing trace with hash -989723374, now seen corresponding path program 1 times [2020-10-14 20:54:06,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:06,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471220601] [2020-10-14 20:54:06,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:06,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:06,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:07,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:07,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-14 20:54:07,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:07,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1316 [2020-10-14 20:54:07,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:07,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:54:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 20:54:07,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:07,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:07,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:07,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:07,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:07,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:07,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:07,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:07,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:07,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:07,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:07,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:07,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:07,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:07,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:07,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:07,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:54:07,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:07,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 20:54:07,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:07,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:07,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:07,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:07,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:54:07,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:07,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:54:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:07,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:08,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:08,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:54:08,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:08,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 20:54:08,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:08,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:08,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:08,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:54:08,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:08,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471220601] [2020-10-14 20:54:08,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:08,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:08,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520403097] [2020-10-14 20:54:08,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:08,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:08,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:08,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:08,139 INFO L87 Difference]: Start difference. First operand 1341 states and 1516 transitions. Second operand 7 states. [2020-10-14 20:54:09,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:09,322 INFO L93 Difference]: Finished difference Result 3141 states and 3594 transitions. [2020-10-14 20:54:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:54:09,323 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 251 [2020-10-14 20:54:09,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:09,334 INFO L225 Difference]: With dead ends: 3141 [2020-10-14 20:54:09,334 INFO L226 Difference]: Without dead ends: 1949 [2020-10-14 20:54:09,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:09,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states. [2020-10-14 20:54:09,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1941. [2020-10-14 20:54:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2020-10-14 20:54:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2186 transitions. [2020-10-14 20:54:09,406 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2186 transitions. Word has length 251 [2020-10-14 20:54:09,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:09,406 INFO L479 AbstractCegarLoop]: Abstraction has 1941 states and 2186 transitions. [2020-10-14 20:54:09,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:09,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2186 transitions. [2020-10-14 20:54:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-14 20:54:09,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:09,413 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:09,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:54:09,414 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:09,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:09,414 INFO L82 PathProgramCache]: Analyzing trace with hash 625817222, now seen corresponding path program 1 times [2020-10-14 20:54:09,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:09,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384664808] [2020-10-14 20:54:09,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:09,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:09,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:09,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-14 20:54:09,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:09,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-10-14 20:54:09,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:09,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-14 20:54:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 20:54:09,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:09,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:09,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:09,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:09,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:09,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:09,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:09,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:09,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:09,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:09,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:09,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:09,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:09,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:54:09,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:09,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 20:54:09,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:09,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:09,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:09,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:09,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:54:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:09,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:10,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:10,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:54:10,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:10,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 20:54:10,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:10,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:54:10,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 20:54:10,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384664808] [2020-10-14 20:54:10,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:10,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:10,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733391020] [2020-10-14 20:54:10,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:10,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:10,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:10,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:10,157 INFO L87 Difference]: Start difference. First operand 1941 states and 2186 transitions. Second operand 5 states. [2020-10-14 20:54:11,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:11,151 INFO L93 Difference]: Finished difference Result 3735 states and 4217 transitions. [2020-10-14 20:54:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:11,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 273 [2020-10-14 20:54:11,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:11,158 INFO L225 Difference]: With dead ends: 3735 [2020-10-14 20:54:11,159 INFO L226 Difference]: Without dead ends: 1943 [2020-10-14 20:54:11,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:11,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2020-10-14 20:54:11,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1937. [2020-10-14 20:54:11,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1937 states. [2020-10-14 20:54:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 2110 transitions. [2020-10-14 20:54:11,201 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 2110 transitions. Word has length 273 [2020-10-14 20:54:11,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:11,202 INFO L479 AbstractCegarLoop]: Abstraction has 1937 states and 2110 transitions. [2020-10-14 20:54:11,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:11,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2110 transitions. [2020-10-14 20:54:11,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-14 20:54:11,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:11,208 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:11,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:54:11,209 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:11,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:11,209 INFO L82 PathProgramCache]: Analyzing trace with hash 253048858, now seen corresponding path program 1 times [2020-10-14 20:54:11,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:11,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31768029] [2020-10-14 20:54:11,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:11,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:11,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:12,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:12,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:12,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-14 20:54:12,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:12,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1390 [2020-10-14 20:54:12,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:12,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:54:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:54:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:12,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:12,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:12,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:12,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:12,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:12,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:12,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:12,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:12,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:12,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:12,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:12,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:12,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:12,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:12,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:12,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:54:12,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:12,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 20:54:12,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:12,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:12,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:12,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:12,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:54:12,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:12,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:54:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:12,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:12,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:12,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 20:54:12,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:12,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 20:54:12,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:12,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 20:54:12,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:13,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31768029] [2020-10-14 20:54:13,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:13,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:13,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421409991] [2020-10-14 20:54:13,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:13,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:13,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:13,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:13,178 INFO L87 Difference]: Start difference. First operand 1937 states and 2110 transitions. Second operand 7 states. [2020-10-14 20:54:14,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:14,606 INFO L93 Difference]: Finished difference Result 3729 states and 4068 transitions. [2020-10-14 20:54:14,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:54:14,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 287 [2020-10-14 20:54:14,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:14,614 INFO L225 Difference]: With dead ends: 3729 [2020-10-14 20:54:14,614 INFO L226 Difference]: Without dead ends: 1941 [2020-10-14 20:54:14,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:14,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2020-10-14 20:54:14,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1937. [2020-10-14 20:54:14,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1937 states. [2020-10-14 20:54:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 2098 transitions. [2020-10-14 20:54:14,656 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 2098 transitions. Word has length 287 [2020-10-14 20:54:14,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:14,657 INFO L479 AbstractCegarLoop]: Abstraction has 1937 states and 2098 transitions. [2020-10-14 20:54:14,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:14,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2098 transitions. [2020-10-14 20:54:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-10-14 20:54:14,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:14,664 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:14,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:54:14,665 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:14,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:14,665 INFO L82 PathProgramCache]: Analyzing trace with hash 273888777, now seen corresponding path program 1 times [2020-10-14 20:54:14,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:14,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908813175] [2020-10-14 20:54:14,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:14,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:14,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:15,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-14 20:54:15,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 512 [2020-10-14 20:54:15,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:15,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-10-14 20:54:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 20:54:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:15,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:15,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:15,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:15,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:15,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:15,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:15,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:15,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:15,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:15,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:15,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:54:15,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:15,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 20:54:15,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:15,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:15,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:15,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:15,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:15,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:54:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:15,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:15,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:15,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 20:54:15,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 20:54:15,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:15,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:15,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:15,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:15,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 20:54:15,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-14 20:54:15,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908813175] [2020-10-14 20:54:15,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:15,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:15,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086659927] [2020-10-14 20:54:15,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:15,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:15,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:15,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:15,610 INFO L87 Difference]: Start difference. First operand 1937 states and 2098 transitions. Second operand 5 states. [2020-10-14 20:54:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:16,724 INFO L93 Difference]: Finished difference Result 4450 states and 4868 transitions. [2020-10-14 20:54:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:16,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 306 [2020-10-14 20:54:16,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:16,736 INFO L225 Difference]: With dead ends: 4450 [2020-10-14 20:54:16,737 INFO L226 Difference]: Without dead ends: 2515 [2020-10-14 20:54:16,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:16,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2020-10-14 20:54:16,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2082. [2020-10-14 20:54:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2082 states. [2020-10-14 20:54:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 2272 transitions. [2020-10-14 20:54:16,804 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 2272 transitions. Word has length 306 [2020-10-14 20:54:16,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:16,804 INFO L479 AbstractCegarLoop]: Abstraction has 2082 states and 2272 transitions. [2020-10-14 20:54:16,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:16,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 2272 transitions. [2020-10-14 20:54:16,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-10-14 20:54:16,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:16,816 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:16,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:54:16,817 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:16,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:16,818 INFO L82 PathProgramCache]: Analyzing trace with hash 466916981, now seen corresponding path program 1 times [2020-10-14 20:54:16,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:16,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994481316] [2020-10-14 20:54:16,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:16,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:17,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:17,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:18,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:18,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 434 [2020-10-14 20:54:18,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:18,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1629 [2020-10-14 20:54:18,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:18,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:18,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:18,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-14 20:54:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 20:54:18,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:18,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:18,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:18,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:18,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:18,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:54:18,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:18,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:18,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:18,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:18,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:18,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:18,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:54:18,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:18,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 20:54:18,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:18,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:18,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:18,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:18,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:18,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:18,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:54:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:18,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:18,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:18,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 20:54:18,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:18,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 20:54:18,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:18,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:54:18,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:18,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-14 20:54:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:18,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:19,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:19,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:54:19,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:19,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-14 20:54:19,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:19,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 20:54:19,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 371 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-14 20:54:19,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994481316] [2020-10-14 20:54:19,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:19,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:19,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72031723] [2020-10-14 20:54:19,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:19,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:19,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:19,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:19,464 INFO L87 Difference]: Start difference. First operand 2082 states and 2272 transitions. Second operand 7 states. [2020-10-14 20:54:20,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:20,832 INFO L93 Difference]: Finished difference Result 4321 states and 4741 transitions. [2020-10-14 20:54:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:54:20,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 420 [2020-10-14 20:54:20,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:20,841 INFO L225 Difference]: With dead ends: 4321 [2020-10-14 20:54:20,841 INFO L226 Difference]: Without dead ends: 2388 [2020-10-14 20:54:20,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:20,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2020-10-14 20:54:20,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 2231. [2020-10-14 20:54:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-10-14 20:54:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2428 transitions. [2020-10-14 20:54:20,891 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2428 transitions. Word has length 420 [2020-10-14 20:54:20,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:20,892 INFO L479 AbstractCegarLoop]: Abstraction has 2231 states and 2428 transitions. [2020-10-14 20:54:20,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2428 transitions. [2020-10-14 20:54:20,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-10-14 20:54:20,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:20,900 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:20,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:54:20,900 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:20,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:20,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1867525662, now seen corresponding path program 1 times [2020-10-14 20:54:20,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:20,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580423336] [2020-10-14 20:54:20,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 467 [2020-10-14 20:54:21,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 596 [2020-10-14 20:54:21,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 412 [2020-10-14 20:54:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 20:54:21,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:21,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:21,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:21,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:54:21,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:21,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:21,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:21,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:21,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:54:21,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 20:54:21,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:21,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:54:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 20:54:21,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:21,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 20:54:21,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:21,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:21,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:21,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:21,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-14 20:54:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:54:21,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 20:54:21,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 20:54:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 147 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-10-14 20:54:22,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580423336] [2020-10-14 20:54:22,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:22,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:54:22,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829304290] [2020-10-14 20:54:22,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:54:22,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:22,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:54:22,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:22,030 INFO L87 Difference]: Start difference. First operand 2231 states and 2428 transitions. Second operand 6 states. [2020-10-14 20:54:23,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:23,015 INFO L93 Difference]: Finished difference Result 2235 states and 2432 transitions. [2020-10-14 20:54:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:54:23,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 453 [2020-10-14 20:54:23,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:23,017 INFO L225 Difference]: With dead ends: 2235 [2020-10-14 20:54:23,018 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:54:23,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:54:23,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:54:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:54:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:54:23,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 453 [2020-10-14 20:54:23,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:23,022 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:54:23,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:54:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:54:23,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:54:23,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:54:23,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:54:23,969 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 38 [2020-10-14 20:54:24,137 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 31 [2020-10-14 20:54:24,284 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 31 [2020-10-14 20:54:24,288 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:54:24,288 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 20:54:24,288 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:54:24,288 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:54:24,288 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,289 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,289 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,289 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,289 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,289 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,289 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:54:24,289 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:54:24,289 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:54:24,289 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:54:24,289 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:54:24,290 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:54:24,290 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:54:24,290 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:54:24,290 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:54:24,290 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:54:24,290 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:54:24,290 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,290 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,290 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,290 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,291 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,291 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:54:24,291 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:54:24,291 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:54:24,291 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:54:24,291 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:54:24,291 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:54:24,291 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:54:24,291 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:54:24,291 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:54:24,292 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:54:24,292 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:54:24,292 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:54:24,292 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:54:24,292 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2020-10-14 20:54:24,292 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:54:24,292 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,292 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,292 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,292 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,293 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,293 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:54:24,293 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:54:24,293 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:54:24,293 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:54:24,293 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:54:24,293 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:54:24,293 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:54:24,293 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:54:24,294 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:54:24,294 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:54:24,294 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,294 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,294 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,294 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,294 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,294 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:54:24,294 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:54:24,295 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:54:24,295 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:54:24,295 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:54:24,295 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:54:24,295 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:54:24,295 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:54:24,295 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:54:24,295 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:54:24,295 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:54:24,295 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:54:24,296 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:54:24,296 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,296 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,296 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,296 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,296 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,296 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:54:24,296 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:54:24,296 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,297 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,298 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,298 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,298 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:54:24,298 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:54:24,298 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:54:24,298 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:54:24,298 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:54:24,298 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:54:24,298 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:54:24,298 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:54:24,299 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:54:24,299 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:54:24,299 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:54:24,299 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:54:24,299 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:54:24,299 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,299 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,299 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,299 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,300 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:54:24,300 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,300 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,300 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:54:24,300 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:54:24,300 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:54:24,300 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:54:24,300 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:54:24,300 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:54:24,300 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:54:24,301 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:54:24,301 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:54:24,301 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:54:24,301 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:54:24,301 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:54:24,301 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:54:24,301 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,301 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,301 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,302 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,302 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,302 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,302 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:54:24,302 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:54:24,302 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:54:24,302 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:54:24,302 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:54:24,302 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:54:24,302 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:54:24,303 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:54:24,303 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:54:24,303 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:54:24,303 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:54:24,303 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 8))) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 .cse1 (not (<= 41 |old(~a1~0)|))) (or .cse0 (not (= |old(~a10~0)| 1)) .cse1) (or .cse1 (not (= 10 |old(~a19~0)|))) (or .cse1 (not (<= 2 |old(~a10~0)|))) (or (not (= 9 |old(~a19~0)|)) .cse1) (or .cse1 (not (<= |old(~a19~0)| 6))))) [2020-10-14 20:54:24,303 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:54:24,303 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:54:24,304 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:54:24,304 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,304 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,304 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,304 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,304 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,304 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,304 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:54:24,304 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:54:24,305 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:54:24,305 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:54:24,305 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:54:24,305 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:54:24,305 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:54:24,305 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:54:24,305 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:54:24,305 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:54:24,305 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:54:24,305 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:54:24,306 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:54:24,307 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:54:24,307 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:54:24,307 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:54:24,307 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:54:24,307 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:54:24,307 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:54:24,307 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:54:24,307 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:54:24,307 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,307 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:54:24,308 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:54:24,309 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:54:24,309 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:54:24,309 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:54:24,309 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:54:24,309 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:54:24,309 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:54:24,309 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-14 20:54:24,309 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:54:24,310 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:54:24,310 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-14 20:54:24,310 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:54:24,310 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (not (<= |old(~a10~0)| 0)) (and (<= 41 ~a1~0) .cse0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (= ~a19~0 10) (and (= ~a10~0 1) .cse0) (not (= 23 |old(~a1~0)|)) (<= ~a19~0 6) (<= 2 ~a10~0))) [2020-10-14 20:54:24,310 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:54:24,310 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:54:24,310 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (not (<= |old(~a10~0)| 0)) (and (<= 41 ~a1~0) .cse0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (= ~a19~0 10) (and (= ~a10~0 1) .cse0) (not (= 23 |old(~a1~0)|)) (<= ~a19~0 6) (<= 2 ~a10~0))) [2020-10-14 20:54:24,311 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:54:24,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:54:24 BoogieIcfgContainer [2020-10-14 20:54:24,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:54:24,337 INFO L168 Benchmark]: Toolchain (without parser) took 39143.23 ms. Allocated memory was 148.4 MB in the beginning and 753.9 MB in the end (delta: 605.6 MB). Free memory was 102.8 MB in the beginning and 234.6 MB in the end (delta: -131.8 MB). Peak memory consumption was 473.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:54:24,338 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 20:54:24,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.97 ms. Allocated memory was 148.4 MB in the beginning and 207.1 MB in the end (delta: 58.7 MB). Free memory was 102.4 MB in the beginning and 170.8 MB in the end (delta: -68.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:54:24,340 INFO L168 Benchmark]: Boogie Preprocessor took 107.33 ms. Allocated memory is still 207.1 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-14 20:54:24,341 INFO L168 Benchmark]: RCFGBuilder took 1365.11 ms. Allocated memory was 207.1 MB in the beginning and 233.8 MB in the end (delta: 26.7 MB). Free memory was 165.8 MB in the beginning and 170.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. [2020-10-14 20:54:24,341 INFO L168 Benchmark]: TraceAbstraction took 36935.07 ms. Allocated memory was 233.8 MB in the beginning and 753.9 MB in the end (delta: 520.1 MB). Free memory was 170.4 MB in the beginning and 234.6 MB in the end (delta: -64.2 MB). Peak memory consumption was 455.9 MB. Max. memory is 7.1 GB. [2020-10-14 20:54:24,345 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.97 ms. Allocated memory was 148.4 MB in the beginning and 207.1 MB in the end (delta: 58.7 MB). Free memory was 102.4 MB in the beginning and 170.8 MB in the end (delta: -68.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.33 ms. Allocated memory is still 207.1 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1365.11 ms. Allocated memory was 207.1 MB in the beginning and 233.8 MB in the end (delta: 26.7 MB). Free memory was 165.8 MB in the beginning and 170.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36935.07 ms. Allocated memory was 233.8 MB in the beginning and 753.9 MB in the end (delta: 520.1 MB). Free memory was 170.4 MB in the beginning and 234.6 MB in the end (delta: -64.2 MB). Peak memory consumption was 455.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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: 582]: Loop Invariant Derived loop invariant: (((((((!(\old(a10) <= 0) || (41 <= a1 && a19 <= 8)) || !(9 == \old(a19))) || a19 == 9) || a19 == 10) || (a10 == 1 && a19 <= 8)) || !(23 == \old(a1))) || a19 <= 6) || 2 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.5s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 17.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 369 SDtfs, 4681 SDslu, 399 SDs, 0 SdLazy, 11867 SolverSat, 1285 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2231occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1411 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 112 PreInvPairs, 150 NumberOfFragments, 242 HoareAnnotationTreeSize, 112 FomulaSimplifications, 15291 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2515 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 3136 NumberOfCodeBlocks, 3136 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3123 ConstructedInterpolants, 0 QuantifiedInterpolants, 1848216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 2414/2434 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...