/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=BIGGEST --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/Problem02_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:14:02,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:14:02,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:14:02,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:14:02,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:14:02,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:14:02,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:14:02,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:14:02,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:14:02,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:14:02,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:14:02,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:14:02,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:14:02,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:14:02,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:14:02,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:14:02,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:14:02,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:14:02,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:14:02,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:14:02,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:14:02,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:14:02,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:14:02,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:14:02,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:14:02,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:14:02,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:14:02,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:14:02,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:14:02,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:14:02,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:14:02,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:14:02,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:14:02,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:14:02,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:14:02,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:14:02,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:14:02,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:14:02,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:14:02,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:14:02,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:14:02,871 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 [2020-10-12 11:14:02,909 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:14:02,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:14:02,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:14:02,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:14:02,911 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:14:02,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:14:02,911 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:14:02,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:14:02,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:14:02,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:14:02,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:14:02,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:14:02,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:14:02,912 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:14:02,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:14:02,913 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:14:02,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:14:02,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:14:02,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:14:02,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:14:02,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:14:02,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:14:02,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:14:02,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:14:02,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:14:02,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:14:02,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:14:02,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:14:02,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:14:02,916 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:14:03,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:14:03,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:14:03,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:14:03,229 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:14:03,230 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:14:03,230 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2020-10-12 11:14:03,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfabdc605/ba00eb837f8c4c04b0f52cc08318ef06/FLAGd0aa6243e [2020-10-12 11:14:03,924 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:14:03,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2020-10-12 11:14:03,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfabdc605/ba00eb837f8c4c04b0f52cc08318ef06/FLAGd0aa6243e [2020-10-12 11:14:04,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfabdc605/ba00eb837f8c4c04b0f52cc08318ef06 [2020-10-12 11:14:04,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:14:04,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:14:04,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:14:04,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:14:04,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:14:04,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:14:04" (1/1) ... [2020-10-12 11:14:04,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25023c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04, skipping insertion in model container [2020-10-12 11:14:04,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:14:04" (1/1) ... [2020-10-12 11:14:04,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:14:04,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:14:04,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:14:04,833 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:14:04,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:14:04,956 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:14:04,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04 WrapperNode [2020-10-12 11:14:04,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:14:04,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:14:04,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:14:04,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:14:04,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04" (1/1) ... [2020-10-12 11:14:04,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04" (1/1) ... [2020-10-12 11:14:04,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04" (1/1) ... [2020-10-12 11:14:04,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04" (1/1) ... [2020-10-12 11:14:05,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04" (1/1) ... [2020-10-12 11:14:05,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04" (1/1) ... [2020-10-12 11:14:05,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04" (1/1) ... [2020-10-12 11:14:05,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:14:05,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:14:05,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:14:05,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:14:05,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04" (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 [2020-10-12 11:14:05,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:14:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:14:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:14:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:14:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:14:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:14:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:14:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:14:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:14:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:14:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:14:06,474 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:14:06,475 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:14:06,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:14:06 BoogieIcfgContainer [2020-10-12 11:14:06,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:14:06,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:14:06,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:14:06,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:14:06,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:14:04" (1/3) ... [2020-10-12 11:14:06,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1277572d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:14:06, skipping insertion in model container [2020-10-12 11:14:06,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:04" (2/3) ... [2020-10-12 11:14:06,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1277572d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:14:06, skipping insertion in model container [2020-10-12 11:14:06,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:14:06" (3/3) ... [2020-10-12 11:14:06,502 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label35.c [2020-10-12 11:14:06,516 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:14:06,530 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:14:06,549 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:14:06,588 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:14:06,589 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:14:06,590 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:14:06,590 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:14:06,590 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:14:06,590 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:14:06,590 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:14:06,591 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:14:06,617 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:14:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-12 11:14:06,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:06,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:06,632 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:06,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:06,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1838417414, now seen corresponding path program 1 times [2020-10-12 11:14:06,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:06,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584392990] [2020-10-12 11:14:06,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:06,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:07,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:08,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:08,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 11:14:08,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:08,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1285 [2020-10-12 11:14:08,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:14:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:14:08,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 11:14:08,758 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2020-10-12 11:14:09,000 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-10-12 11:14:09,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:09,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:09,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:09,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:09,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:09,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:14:09,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:09,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:14:09,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:09,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584392990] [2020-10-12 11:14:09,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:14:09,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 11:14:09,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492958713] [2020-10-12 11:14:09,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:09,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:09,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:09,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:09,391 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 12 states. [2020-10-12 11:14:09,679 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2020-10-12 11:14:09,909 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2020-10-12 11:14:10,168 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2020-10-12 11:14:10,444 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2020-10-12 11:14:10,743 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2020-10-12 11:14:11,332 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2020-10-12 11:14:11,757 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-10-12 11:14:12,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:12,617 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:14:12,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:14:12,619 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2020-10-12 11:14:12,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:12,632 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:14:12,632 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:14:12,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:14:12,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:14:12,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:14:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:14:12,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:14:12,705 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 100 [2020-10-12 11:14:12,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:12,706 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:14:12,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:14:12,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 11:14:12,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:12,712 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:12,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:14:12,713 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:12,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:12,713 INFO L82 PathProgramCache]: Analyzing trace with hash -73079177, now seen corresponding path program 1 times [2020-10-12 11:14:12,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:12,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1134823876] [2020-10-12 11:14:12,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:12,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:12,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:13,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:14,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:14,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-12 11:14:14,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:14,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1421 [2020-10-12 11:14:14,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:14:14,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:14:14,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:14,636 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-10-12 11:14:14,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:14,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:14,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:14,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:14,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:14,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:14,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:14,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:14,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:14,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:15,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:15,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:14:15,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:14:15,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:15,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:15,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:14:15,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:15,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1134823876] [2020-10-12 11:14:15,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:15,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:15,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098364911] [2020-10-12 11:14:15,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:15,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:15,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:15,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:15,108 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:14:15,402 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-12 11:14:17,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:17,430 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:14:17,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:14:17,432 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2020-10-12 11:14:17,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:17,436 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:14:17,436 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:14:17,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:14:17,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:14:17,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:14:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:14:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:14:17,457 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 109 [2020-10-12 11:14:17,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:17,458 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:14:17,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:14:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-12 11:14:17,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:17,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:17,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:14:17,461 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:17,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:17,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1220059375, now seen corresponding path program 1 times [2020-10-12 11:14:17,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:17,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385386182] [2020-10-12 11:14:17,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:17,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:17,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:17,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:18,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:18,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 11:14:18,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:18,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1174 [2020-10-12 11:14:18,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:14:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:14:18,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:19,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:19,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:19,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:19,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:19,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:19,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:14:19,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:19,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:19,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 11:14:19,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:19,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:19,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:19,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:19,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:19,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 11:14:19,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:19,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:19,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:14:19,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:19,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385386182] [2020-10-12 11:14:19,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:19,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:19,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283564304] [2020-10-12 11:14:19,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:19,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:19,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:19,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:19,228 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:14:20,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:20,961 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:14:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:14:20,962 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 113 [2020-10-12 11:14:20,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:20,969 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:14:20,970 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:14:20,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:14:20,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:14:21,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:14:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:14:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:14:21,003 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 113 [2020-10-12 11:14:21,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:21,004 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:14:21,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:14:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-12 11:14:21,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:21,007 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:21,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:14:21,008 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:21,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:21,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1507476665, now seen corresponding path program 1 times [2020-10-12 11:14:21,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:21,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028880957] [2020-10-12 11:14:21,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:21,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:21,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:21,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-12 11:14:21,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:21,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-12 11:14:21,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:21,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:21,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:14:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 11:14:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:21,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:21,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:21,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:21,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:21,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:14:21,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:21,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:21,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:21,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:21,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:21,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:21,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:14:21,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:21,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:21,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:21,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:21,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:14:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:21,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:21,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:21,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:14:21,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:21,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 11:14:21,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:21,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:21,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:21,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:14:21,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:14:21,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028880957] [2020-10-12 11:14:21,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:21,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:14:21,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308818814] [2020-10-12 11:14:21,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:14:21,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:21,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:14:21,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:14:21,522 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-12 11:14:22,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:22,587 INFO L93 Difference]: Finished difference Result 785 states and 1015 transitions. [2020-10-12 11:14:22,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:14:22,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-12 11:14:22,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:22,595 INFO L225 Difference]: With dead ends: 785 [2020-10-12 11:14:22,595 INFO L226 Difference]: Without dead ends: 473 [2020-10-12 11:14:22,596 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 [2020-10-12 11:14:22,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-12 11:14:22,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 468. [2020-10-12 11:14:22,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-12 11:14:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 564 transitions. [2020-10-12 11:14:22,641 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 564 transitions. Word has length 135 [2020-10-12 11:14:22,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:22,643 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 564 transitions. [2020-10-12 11:14:22,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:14:22,643 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 564 transitions. [2020-10-12 11:14:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-12 11:14:22,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:22,653 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:22,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:14:22,654 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:22,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:22,654 INFO L82 PathProgramCache]: Analyzing trace with hash -2036170618, now seen corresponding path program 1 times [2020-10-12 11:14:22,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:22,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454978517] [2020-10-12 11:14:22,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:22,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:22,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:23,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:24,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:24,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 11:14:24,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1461 [2020-10-12 11:14:24,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:14:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:14:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:24,658 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-12 11:14:24,786 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-10-12 11:14:24,969 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 46 [2020-10-12 11:14:25,187 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 47 [2020-10-12 11:14:25,395 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 43 [2020-10-12 11:14:25,592 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 39 [2020-10-12 11:14:25,752 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2020-10-12 11:14:25,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:25,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:25,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:25,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:25,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:14:25,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:25,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:25,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:25,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:25,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:25,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:25,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 11:14:25,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:14:25,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:26,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454978517] [2020-10-12 11:14:26,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:26,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:26,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722206631] [2020-10-12 11:14:26,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:26,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:26,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:26,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:26,090 INFO L87 Difference]: Start difference. First operand 468 states and 564 transitions. Second operand 12 states. [2020-10-12 11:14:26,613 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-12 11:14:26,879 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-12 11:14:27,214 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2020-10-12 11:14:27,829 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2020-10-12 11:14:28,503 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2020-10-12 11:14:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:28,923 INFO L93 Difference]: Finished difference Result 1023 states and 1288 transitions. [2020-10-12 11:14:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:14:28,924 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 134 [2020-10-12 11:14:28,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:28,928 INFO L225 Difference]: With dead ends: 1023 [2020-10-12 11:14:28,928 INFO L226 Difference]: Without dead ends: 551 [2020-10-12 11:14:28,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:14:28,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-10-12 11:14:28,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 544. [2020-10-12 11:14:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-10-12 11:14:28,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 644 transitions. [2020-10-12 11:14:28,957 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 644 transitions. Word has length 134 [2020-10-12 11:14:28,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:28,957 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 644 transitions. [2020-10-12 11:14:28,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:28,957 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 644 transitions. [2020-10-12 11:14:28,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 11:14:28,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:28,963 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:28,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:14:28,963 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:28,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:28,964 INFO L82 PathProgramCache]: Analyzing trace with hash -896786742, now seen corresponding path program 1 times [2020-10-12 11:14:28,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:28,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275568024] [2020-10-12 11:14:28,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:29,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:29,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:29,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:29,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-12 11:14:29,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:29,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-10-12 11:14:29,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:29,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:29,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 11:14:29,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 11:14:29,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:29,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:29,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:29,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:29,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:29,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:29,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:29,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:29,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:29,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:29,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:29,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:29,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:29,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:29,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:29,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:14:29,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:29,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:29,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:14:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:29,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:29,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:29,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:14:29,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:14:29,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:29,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:29,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:29,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:29,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:29,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:14:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:29,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:29,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:29,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:14:29,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:29,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 11:14:29,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 11:14:29,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 44 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 11:14:29,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275568024] [2020-10-12 11:14:29,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:29,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:14:29,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397290229] [2020-10-12 11:14:29,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:14:29,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:29,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:14:29,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:14:29,766 INFO L87 Difference]: Start difference. First operand 544 states and 644 transitions. Second operand 5 states. [2020-10-12 11:14:31,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:31,233 INFO L93 Difference]: Finished difference Result 1381 states and 1680 transitions. [2020-10-12 11:14:31,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:14:31,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-10-12 11:14:31,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:31,239 INFO L225 Difference]: With dead ends: 1381 [2020-10-12 11:14:31,239 INFO L226 Difference]: Without dead ends: 696 [2020-10-12 11:14:31,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:14:31,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-12 11:14:31,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 689. [2020-10-12 11:14:31,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-12 11:14:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 806 transitions. [2020-10-12 11:14:31,285 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 806 transitions. Word has length 150 [2020-10-12 11:14:31,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:31,285 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 806 transitions. [2020-10-12 11:14:31,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:14:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 806 transitions. [2020-10-12 11:14:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-12 11:14:31,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:31,290 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] [2020-10-12 11:14:31,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:14:31,293 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:31,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:31,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1608341724, now seen corresponding path program 1 times [2020-10-12 11:14:31,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:31,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744035239] [2020-10-12 11:14:31,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:31,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:31,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:31,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:32,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:32,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 11:14:32,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:32,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1221 [2020-10-12 11:14:32,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:32,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:32,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-12 11:14:32,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-12 11:14:32,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:32,950 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2020-10-12 11:14:33,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:33,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:33,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:33,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:33,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:33,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:14:33,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:33,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:33,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:33,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:33,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:33,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:33,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:14:33,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:33,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 11:14:33,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:33,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:33,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:33,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 11:14:33,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:33,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744035239] [2020-10-12 11:14:33,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:33,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:33,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176448466] [2020-10-12 11:14:33,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:33,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:33,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:33,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:33,632 INFO L87 Difference]: Start difference. First operand 689 states and 806 transitions. Second operand 12 states. [2020-10-12 11:14:34,624 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-12 11:14:34,797 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-12 11:14:35,041 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-12 11:14:35,176 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-12 11:14:36,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:36,149 INFO L93 Difference]: Finished difference Result 1476 states and 1786 transitions. [2020-10-12 11:14:36,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 11:14:36,151 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2020-10-12 11:14:36,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:36,156 INFO L225 Difference]: With dead ends: 1476 [2020-10-12 11:14:36,156 INFO L226 Difference]: Without dead ends: 793 [2020-10-12 11:14:36,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:14:36,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2020-10-12 11:14:36,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 774. [2020-10-12 11:14:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 774 states. [2020-10-12 11:14:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 898 transitions. [2020-10-12 11:14:36,186 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 898 transitions. Word has length 151 [2020-10-12 11:14:36,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:36,187 INFO L479 AbstractCegarLoop]: Abstraction has 774 states and 898 transitions. [2020-10-12 11:14:36,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 898 transitions. [2020-10-12 11:14:36,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 11:14:36,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:36,191 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:36,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:14:36,191 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:36,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:36,192 INFO L82 PathProgramCache]: Analyzing trace with hash 2044416624, now seen corresponding path program 1 times [2020-10-12 11:14:36,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:36,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564083968] [2020-10-12 11:14:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:36,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:36,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:36,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:37,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:37,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-12 11:14:37,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:37,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1399 [2020-10-12 11:14:37,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-12 11:14:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 11:14:37,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:37,983 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2020-10-12 11:14:38,123 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2020-10-12 11:14:38,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:38,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:38,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:38,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:38,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:14:38,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:38,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 11:14:38,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 11:14:38,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:38,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564083968] [2020-10-12 11:14:38,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:38,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:38,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924594949] [2020-10-12 11:14:38,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:38,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:38,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:38,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:38,807 INFO L87 Difference]: Start difference. First operand 774 states and 898 transitions. Second operand 12 states. [2020-10-12 11:14:39,253 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-12 11:14:40,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:40,725 INFO L93 Difference]: Finished difference Result 1632 states and 1953 transitions. [2020-10-12 11:14:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:14:40,729 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2020-10-12 11:14:40,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:40,734 INFO L225 Difference]: With dead ends: 1632 [2020-10-12 11:14:40,735 INFO L226 Difference]: Without dead ends: 864 [2020-10-12 11:14:40,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:14:40,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-10-12 11:14:40,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 855. [2020-10-12 11:14:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2020-10-12 11:14:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 986 transitions. [2020-10-12 11:14:40,767 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 986 transitions. Word has length 157 [2020-10-12 11:14:40,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:40,768 INFO L479 AbstractCegarLoop]: Abstraction has 855 states and 986 transitions. [2020-10-12 11:14:40,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 986 transitions. [2020-10-12 11:14:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-12 11:14:40,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:40,772 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:40,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:14:40,772 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:40,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:40,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1932766857, now seen corresponding path program 1 times [2020-10-12 11:14:40,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:40,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1512605583] [2020-10-12 11:14:40,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:40,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:41,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:41,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:41,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-12 11:14:41,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:41,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 588 [2020-10-12 11:14:41,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:14:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:14:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-12 11:14:41,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:41,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:41,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:41,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:41,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:41,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:41,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:14:41,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:41,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:41,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:41,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:41,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:41,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:41,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:41,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:41,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:41,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:14:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:41,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:41,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:41,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:14:41,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:41,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 11:14:41,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:41,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:41,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:41,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:14:41,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:41,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:14:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:41,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:41,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:41,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:41,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 11:14:41,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:41,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 11:14:41,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:41,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:41,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:41,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 11:14:41,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 60 proven. 40 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 11:14:41,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1512605583] [2020-10-12 11:14:41,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:41,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:14:41,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646451647] [2020-10-12 11:14:41,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:14:41,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:41,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:14:41,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:14:41,682 INFO L87 Difference]: Start difference. First operand 855 states and 986 transitions. Second operand 7 states. [2020-10-12 11:14:43,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:43,291 INFO L93 Difference]: Finished difference Result 2710 states and 3321 transitions. [2020-10-12 11:14:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:14:43,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2020-10-12 11:14:43,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:43,302 INFO L225 Difference]: With dead ends: 2710 [2020-10-12 11:14:43,303 INFO L226 Difference]: Without dead ends: 1859 [2020-10-12 11:14:43,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:14:43,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1859 states. [2020-10-12 11:14:43,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1859 to 1826. [2020-10-12 11:14:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1826 states. [2020-10-12 11:14:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1826 states and 2184 transitions. [2020-10-12 11:14:43,374 INFO L78 Accepts]: Start accepts. Automaton has 1826 states and 2184 transitions. Word has length 177 [2020-10-12 11:14:43,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:43,374 INFO L479 AbstractCegarLoop]: Abstraction has 1826 states and 2184 transitions. [2020-10-12 11:14:43,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:14:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2184 transitions. [2020-10-12 11:14:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-12 11:14:43,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:43,381 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:43,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:14:43,382 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:43,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:43,382 INFO L82 PathProgramCache]: Analyzing trace with hash -662872245, now seen corresponding path program 1 times [2020-10-12 11:14:43,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:43,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364650725] [2020-10-12 11:14:43,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:43,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:43,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 11:14:43,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:43,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-12 11:14:43,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:14:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:14:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:43,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:43,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:43,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:43,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:43,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:43,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:43,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:43,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:43,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:43,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:43,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:14:43,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:43,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:14:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:43,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:43,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:14:43,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:43,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 11:14:43,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:14:43,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:43,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:14:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:43,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:44,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:44,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 11:14:44,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:44,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-12 11:14:44,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:14:44,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 11:14:44,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364650725] [2020-10-12 11:14:44,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:44,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:14:44,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326284002] [2020-10-12 11:14:44,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:14:44,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:44,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:14:44,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:14:44,192 INFO L87 Difference]: Start difference. First operand 1826 states and 2184 transitions. Second operand 7 states. [2020-10-12 11:14:45,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:45,688 INFO L93 Difference]: Finished difference Result 4600 states and 5813 transitions. [2020-10-12 11:14:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 11:14:45,694 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-10-12 11:14:45,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:45,704 INFO L225 Difference]: With dead ends: 4600 [2020-10-12 11:14:45,704 INFO L226 Difference]: Without dead ends: 1869 [2020-10-12 11:14:45,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:14:45,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2020-10-12 11:14:45,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1664. [2020-10-12 11:14:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2020-10-12 11:14:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 1927 transitions. [2020-10-12 11:14:45,767 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 1927 transitions. Word has length 193 [2020-10-12 11:14:45,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:45,767 INFO L479 AbstractCegarLoop]: Abstraction has 1664 states and 1927 transitions. [2020-10-12 11:14:45,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:14:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 1927 transitions. [2020-10-12 11:14:45,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-12 11:14:45,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:45,772 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, 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] [2020-10-12 11:14:45,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:14:45,773 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:45,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:45,773 INFO L82 PathProgramCache]: Analyzing trace with hash 146329388, now seen corresponding path program 1 times [2020-10-12 11:14:45,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:45,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074083875] [2020-10-12 11:14:45,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:45,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:45,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:45,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:46,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:47,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:47,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 11:14:47,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:14:47,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2144 [2020-10-12 11:14:47,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-12 11:14:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 11:14:47,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:48,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:48,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:48,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:48,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:48,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:48,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:14:48,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:48,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:48,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:48,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:48,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:48,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:48,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:48,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:48,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:14:48,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 11:14:48,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:48,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:48,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:48,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 11:14:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:48,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:48,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:48,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:14:48,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 11:14:48,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:14:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 11:14:48,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074083875] [2020-10-12 11:14:48,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:48,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:48,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084605884] [2020-10-12 11:14:48,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:48,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:48,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:48,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:48,919 INFO L87 Difference]: Start difference. First operand 1664 states and 1927 transitions. Second operand 12 states. [2020-10-12 11:14:49,961 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2020-10-12 11:14:50,227 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2020-10-12 11:14:50,671 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 82 [2020-10-12 11:14:50,910 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2020-10-12 11:14:51,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:51,489 INFO L93 Difference]: Finished difference Result 3412 states and 4018 transitions. [2020-10-12 11:14:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:14:51,489 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 193 [2020-10-12 11:14:51,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:51,498 INFO L225 Difference]: With dead ends: 3412 [2020-10-12 11:14:51,498 INFO L226 Difference]: Without dead ends: 1754 [2020-10-12 11:14:51,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:14:51,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2020-10-12 11:14:51,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1741. [2020-10-12 11:14:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1741 states. [2020-10-12 11:14:51,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2009 transitions. [2020-10-12 11:14:51,548 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2009 transitions. Word has length 193 [2020-10-12 11:14:51,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:51,548 INFO L479 AbstractCegarLoop]: Abstraction has 1741 states and 2009 transitions. [2020-10-12 11:14:51,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2009 transitions. [2020-10-12 11:14:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-12 11:14:51,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:51,554 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:51,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:14:51,554 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:51,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:51,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1578994779, now seen corresponding path program 1 times [2020-10-12 11:14:51,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:51,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361558130] [2020-10-12 11:14:51,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:51,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:51,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:51,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:51,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:51,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:52,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:53,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:53,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:53,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-12 11:14:53,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 11:14:53,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2185 [2020-10-12 11:14:53,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:14:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-12 11:14:53,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:53,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:53,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:53,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:53,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:53,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:53,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:14:53,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:14:53,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:53,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:53,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:53,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:53,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:53,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:53,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:53,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 11:14:53,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:14:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:54,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:14:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:54,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:54,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:54,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:54,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:14:54,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:54,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:14:54,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:14:54,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:54,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:14:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:54,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:54,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:54,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:54,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 11:14:54,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-12 11:14:54,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:14:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 91 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-12 11:14:54,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361558130] [2020-10-12 11:14:54,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:54,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:14:54,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070339865] [2020-10-12 11:14:54,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:14:54,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:54,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:14:54,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:14:54,232 INFO L87 Difference]: Start difference. First operand 1741 states and 2009 transitions. Second operand 7 states. [2020-10-12 11:14:54,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:54,919 INFO L93 Difference]: Finished difference Result 3309 states and 3855 transitions. [2020-10-12 11:14:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:14:54,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 200 [2020-10-12 11:14:54,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:54,926 INFO L225 Difference]: With dead ends: 3309 [2020-10-12 11:14:54,926 INFO L226 Difference]: Without dead ends: 1123 [2020-10-12 11:14:54,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-12 11:14:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2020-10-12 11:14:54,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1120. [2020-10-12 11:14:54,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-10-12 11:14:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1224 transitions. [2020-10-12 11:14:54,959 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1224 transitions. Word has length 200 [2020-10-12 11:14:54,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:54,959 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1224 transitions. [2020-10-12 11:14:54,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:14:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1224 transitions. [2020-10-12 11:14:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-12 11:14:54,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:54,963 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 11:14:54,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:14:54,964 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:54,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:54,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1830704463, now seen corresponding path program 1 times [2020-10-12 11:14:54,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:54,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011166965] [2020-10-12 11:14:54,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:55,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:55,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:55,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:55,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:55,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:56,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:56,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:56,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:58,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:58,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:58,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-12 11:14:58,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 11:14:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3783 [2020-10-12 11:14:58,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 11:14:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-12 11:14:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:59,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:59,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:59,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:59,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:59,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:59,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:14:59,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:59,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:59,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:59,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:14:59,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:59,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:59,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:59,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:59,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:59,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:14:59,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:59,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 11:14:59,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:59,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:59,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:59,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 11:14:59,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:59,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 11:14:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:59,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:59,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:59,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:59,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:14:59,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:59,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 11:14:59,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:59,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:59,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:59,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 11:14:59,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:00,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 11:15:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:00,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:00,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:00,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:00,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 11:15:00,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 11:15:00,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 11:15:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 11:15:00,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 63 proven. 87 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 11:15:00,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2011166965] [2020-10-12 11:15:00,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:00,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 11:15:00,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472463291] [2020-10-12 11:15:00,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 11:15:00,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:00,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 11:15:00,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:15:00,464 INFO L87 Difference]: Start difference. First operand 1120 states and 1224 transitions. Second operand 22 states. [2020-10-12 11:15:01,229 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2020-10-12 11:15:01,408 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2020-10-12 11:15:01,610 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2020-10-12 11:15:01,880 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2020-10-12 11:15:02,243 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2020-10-12 11:15:02,491 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2020-10-12 11:15:02,765 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2020-10-12 11:15:03,097 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2020-10-12 11:15:03,474 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2020-10-12 11:15:03,736 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2020-10-12 11:15:03,930 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-10-12 11:15:04,102 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2020-10-12 11:15:04,339 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2020-10-12 11:15:04,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:04,677 INFO L93 Difference]: Finished difference Result 2271 states and 2513 transitions. [2020-10-12 11:15:04,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 11:15:04,678 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 213 [2020-10-12 11:15:04,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:04,678 INFO L225 Difference]: With dead ends: 2271 [2020-10-12 11:15:04,678 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:15:04,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=492, Invalid=1068, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 11:15:04,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:15:04,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:15:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:15:04,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:15:04,685 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2020-10-12 11:15:04,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:04,685 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:15:04,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 11:15:04,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:15:04,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:15:04,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 11:15:04,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:15:05,362 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 113 [2020-10-12 11:15:05,786 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 154 [2020-10-12 11:15:06,930 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 224 DAG size of output: 128 [2020-10-12 11:15:07,288 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 60 [2020-10-12 11:15:07,798 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 87 [2020-10-12 11:15:07,803 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:15:07,804 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-12 11:15:07,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:15:07,805 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,805 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,805 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,805 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,805 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,805 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-12 11:15:07,806 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-12 11:15:07,806 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-12 11:15:07,806 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-12 11:15:07,806 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-12 11:15:07,806 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-12 11:15:07,806 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-12 11:15:07,806 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-12 11:15:07,806 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-12 11:15:07,806 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-12 11:15:07,806 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:15:07,807 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:15:07,807 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-12 11:15:07,807 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,808 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,808 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,808 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,808 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-12 11:15:07,809 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,809 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-12 11:15:07,809 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-12 11:15:07,809 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-12 11:15:07,809 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-12 11:15:07,809 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-12 11:15:07,810 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-12 11:15:07,810 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-12 11:15:07,810 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:15:07,810 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:15:07,810 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-12 11:15:07,810 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-12 11:15:07,810 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-12 11:15:07,811 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:15:07,811 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:15:07,811 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-12 11:15:07,811 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,813 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,813 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,813 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,813 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,814 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 454) no Hoare annotation was computed. [2020-10-12 11:15:07,814 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:15:07,814 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-12 11:15:07,814 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:15:07,814 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 11:15:07,814 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-12 11:15:07,814 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-12 11:15:07,814 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-12 11:15:07,814 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-12 11:15:07,814 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-12 11:15:07,815 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-12 11:15:07,815 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-12 11:15:07,815 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,815 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,815 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,815 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,815 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,815 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-12 11:15:07,815 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-12 11:15:07,816 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-12 11:15:07,816 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-12 11:15:07,816 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-12 11:15:07,816 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-12 11:15:07,816 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-12 11:15:07,816 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-12 11:15:07,816 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-12 11:15:07,816 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-12 11:15:07,816 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-12 11:15:07,817 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-12 11:15:07,818 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-12 11:15:07,818 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,818 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,818 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,818 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,818 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,819 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-12 11:15:07,819 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-12 11:15:07,819 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-12 11:15:07,819 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-12 11:15:07,819 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-12 11:15:07,819 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-12 11:15:07,819 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-12 11:15:07,819 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-12 11:15:07,819 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-12 11:15:07,819 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-12 11:15:07,820 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-12 11:15:07,820 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-12 11:15:07,820 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-12 11:15:07,820 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:15:07,820 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-12 11:15:07,820 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:15:07,820 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,820 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,820 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,821 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,821 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-12 11:15:07,821 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,821 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:15:07,821 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,821 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:15:07,822 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:15:07,822 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:15:07,822 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,822 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,822 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-12 11:15:07,823 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-12 11:15:07,823 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-12 11:15:07,823 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-12 11:15:07,823 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-12 11:15:07,823 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-12 11:15:07,823 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-12 11:15:07,823 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-12 11:15:07,823 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-12 11:15:07,823 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-12 11:15:07,823 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-12 11:15:07,824 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,824 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,824 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,824 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,824 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,824 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,824 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-12 11:15:07,824 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-12 11:15:07,824 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-12 11:15:07,825 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-12 11:15:07,825 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 11:15:07,825 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-12 11:15:07,825 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-12 11:15:07,825 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-12 11:15:07,825 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-12 11:15:07,825 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-12 11:15:07,825 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-12 11:15:07,825 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,825 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,826 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,826 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,826 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,826 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,826 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-12 11:15:07,826 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-12 11:15:07,826 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-12 11:15:07,826 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-12 11:15:07,826 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-12 11:15:07,827 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-12 11:15:07,827 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 11:15:07,827 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-12 11:15:07,827 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-12 11:15:07,827 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-12 11:15:07,827 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-12 11:15:07,827 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-12 11:15:07,827 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-12 11:15:07,828 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-12 11:15:07,828 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,828 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,828 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,829 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse9 (= ~a25~0 |old(~a25~0)|)) (.cse2 (= ~a19~0 |old(~a19~0)|))) (let ((.cse13 (not (= |old(~a19~0)| 1))) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse3 (not (= ~a21~0 1))) (.cse4 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1))))) (.cse10 (= ~a17~0 8)) (.cse7 (not (<= 11 |old(~a28~0)|))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse14 (and .cse8 (= ~a17~0 |old(~a17~0)|) .cse1 .cse9 .cse2)) (.cse15 (not (= |old(~a11~0)| 1))) (.cse5 (not (= 7 |old(~a17~0)|))) (.cse6 (and .cse8 (= 7 ~a17~0) .cse1 .cse9 .cse2)) (.cse12 (= |old(~a25~0)| 1))) (and (or (not (<= |old(~a25~0)| 1)) (not (<= |old(~a19~0)| 1)) .cse0 (and .cse1 (<= ~a28~0 9) (<= ~a17~0 8) (<= ~a25~0 1) (< 7 ~a17~0) .cse2 (< 8 ~a28~0) (< 0 ~a25~0)) (not (< 8 |old(~a28~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 9)) .cse3 .cse4 (not (< 7 |old(~a17~0)|)) (not (< 0 |old(~a25~0)|))) (or .cse5 .cse6 .cse7) (or (and .cse8 .cse1 .cse9 .cse10 .cse2) .cse11 .cse3 (not (<= |old(~a11~0)| 0))) (or (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) (not .cse12) .cse13 (not (= 11 |old(~a28~0)|)) (and .cse1 (= ~a19~0 1) .cse10 (= ~a25~0 1) (= ~a28~0 11)) .cse11 .cse3) (or (not (= 10 |old(~a28~0)|)) .cse13 .cse11 .cse3 .cse4 (and .cse1 .cse9 .cse10 .cse2 (= ~a28~0 10))) (or .cse14 .cse7 .cse15) (or .cse0 .cse14 .cse15) (or .cse5 .cse6 .cse12)))) [2020-10-12 11:15:07,829 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,829 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,829 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,830 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-12 11:15:07,830 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-12 11:15:07,830 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-12 11:15:07,830 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-12 11:15:07,830 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-12 11:15:07,830 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-12 11:15:07,830 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 11:15:07,830 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 11:15:07,830 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-12 11:15:07,832 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-12 11:15:07,832 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-12 11:15:07,832 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-12 11:15:07,832 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-12 11:15:07,832 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,833 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,833 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,833 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,833 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,833 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,833 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-12 11:15:07,833 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-12 11:15:07,833 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-12 11:15:07,834 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-12 11:15:07,834 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-12 11:15:07,834 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 11:15:07,834 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-12 11:15:07,834 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-12 11:15:07,834 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-12 11:15:07,834 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-12 11:15:07,834 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-12 11:15:07,834 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:15:07,835 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:15:07,835 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-12 11:15:07,835 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-12 11:15:07,835 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-12 11:15:07,835 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,835 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,835 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,835 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,835 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:15:07,835 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-12 11:15:07,836 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-12 11:15:07,836 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-12 11:15:07,836 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-12 11:15:07,836 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-12 11:15:07,836 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-12 11:15:07,836 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-12 11:15:07,836 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 11:15:07,836 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-12 11:15:07,836 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-12 11:15:07,837 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-12 11:15:07,837 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:15:07,837 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-12 11:15:07,837 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:15:07,837 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-12 11:15:07,837 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:15:07,837 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:15:07,837 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-12 11:15:07,837 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-12 11:15:07,837 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:15:07,838 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (<= ~a25~0 0)) [2020-10-12 11:15:07,838 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:15:07,838 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:15:07,838 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0))) [2020-10-12 11:15:07,838 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (<= 11 ~a28~0)) (.cse0 (= 7 ~a17~0)) (.cse3 (= ~a19~0 1)) (.cse4 (= ~a17~0 8)) (.cse5 (= ~a25~0 1)) (.cse1 (= ~a11~0 1))) (or (and .cse0 .cse1) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse2 .cse1) (and (<= 9 ~a28~0) (<= 1 ~a25~0) (<= 8 ~a17~0) (<= ~a19~0 1) (<= ~a28~0 9) (<= ~a25~0 1) (<= ~a17~0 8) (<= 1 ~a19~0)) (and .cse3 .cse4 (= ~a28~0 10)) (and (<= ~a11~0 |old(~a11~0)|) (<= |old(~a11~0)| ~a11~0) .cse4) (and .cse2 .cse0) (and .cse0 (not .cse5)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) (and .cse3 .cse4 .cse5 (= ~a28~0 11)) (and (= ~a17~0 |old(~a17~0)|) .cse1))) [2020-10-12 11:15:07,838 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:15:07,839 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:15:07,839 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (<= 11 ~a28~0)) (.cse0 (= 7 ~a17~0)) (.cse5 (= ~a25~0 1)) (.cse4 (= ~a19~0 1)) (.cse3 (= ~a17~0 8)) (.cse6 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0)))) (.cse1 (= ~a11~0 1))) (or (and .cse0 .cse1) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse2 .cse1) (and (<= ~a11~0 |old(~a11~0)|) (<= |old(~a11~0)| ~a11~0) .cse3) (and (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1)) .cse4 .cse3 .cse5 (= ~a28~0 11)) (and .cse2 .cse0) (and .cse0 (not .cse5)) (not (= ~a21~0 1)) (and (<= 9 ~a28~0) (<= 1 ~a25~0) (<= 8 ~a17~0) .cse6 (<= ~a19~0 1) (<= ~a28~0 9) (<= ~a17~0 8) (<= ~a25~0 1) (<= 1 ~a19~0)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) (and .cse4 .cse3 .cse6 (= ~a28~0 10)) (and (= ~a17~0 |old(~a17~0)|) .cse1))) [2020-10-12 11:15:07,839 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-12 11:15:07,839 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-12 11:15:07,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:15:07 BoogieIcfgContainer [2020-10-12 11:15:07,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:15:07,889 INFO L168 Benchmark]: Toolchain (without parser) took 63701.36 ms. Allocated memory was 141.6 MB in the beginning and 848.8 MB in the end (delta: 707.3 MB). Free memory was 103.4 MB in the beginning and 320.3 MB in the end (delta: -216.8 MB). Peak memory consumption was 719.7 MB. Max. memory is 7.1 GB. [2020-10-12 11:15:07,890 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 11:15:07,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.90 ms. Allocated memory was 141.6 MB in the beginning and 206.0 MB in the end (delta: 64.5 MB). Free memory was 103.2 MB in the beginning and 172.8 MB in the end (delta: -69.6 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2020-10-12 11:15:07,891 INFO L168 Benchmark]: Boogie Preprocessor took 113.60 ms. Allocated memory is still 206.0 MB. Free memory was 172.8 MB in the beginning and 168.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-12 11:15:07,895 INFO L168 Benchmark]: RCFGBuilder took 1417.82 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 167.3 MB in the beginning and 179.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:15:07,895 INFO L168 Benchmark]: TraceAbstraction took 61393.69 ms. Allocated memory was 238.6 MB in the beginning and 848.8 MB in the end (delta: 610.3 MB). Free memory was 179.2 MB in the beginning and 320.3 MB in the end (delta: -141.1 MB). Peak memory consumption was 698.5 MB. Max. memory is 7.1 GB. [2020-10-12 11:15:07,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.90 ms. Allocated memory was 141.6 MB in the beginning and 206.0 MB in the end (delta: 64.5 MB). Free memory was 103.2 MB in the beginning and 172.8 MB in the end (delta: -69.6 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.60 ms. Allocated memory is still 206.0 MB. Free memory was 172.8 MB in the beginning and 168.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1417.82 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 167.3 MB in the beginning and 179.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61393.69 ms. Allocated memory was 238.6 MB in the beginning and 848.8 MB in the end (delta: 610.3 MB). Free memory was 179.2 MB in the beginning and 320.3 MB in the end (delta: -141.1 MB). Peak memory consumption was 698.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 454]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((7 == a17 && a11 == 1) || !(\old(a19) == 1)) || !(8 == \old(a17))) || !(\old(a25) <= 0)) || (11 <= a28 && a11 == 1)) || (((((((9 <= a28 && 1 <= a25) && 8 <= a17) && a19 <= 1) && a28 <= 9) && a25 <= 1) && a17 <= 8) && 1 <= a19)) || ((a19 == 1 && a17 == 8) && a28 == 10)) || ((a11 <= \old(a11) && \old(a11) <= a11) && a17 == 8)) || (11 <= a28 && 7 == a17)) || (7 == a17 && !(a25 == 1))) || !(a21 == 1)) || !(7 == \old(a28))) || !(\old(a11) <= 0)) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 11)) || (a17 == \old(a17) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 58.1s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 27.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 487 SDtfs, 6140 SDslu, 716 SDs, 0 SdLazy, 11547 SolverSat, 1212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 310 GetRequests, 106 SyntacticMatches, 2 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1826occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 316 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 120 PreInvPairs, 168 NumberOfFragments, 813 HoareAnnotationTreeSize, 120 FomulaSimplifications, 300940 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 69419 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 27.4s InterpolantComputationTime, 2025 NumberOfCodeBlocks, 2025 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2012 ConstructedInterpolants, 0 QuantifiedInterpolants, 4571872 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 810/955 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...