/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=NARROWEST --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_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 06:12:07,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 06:12:07,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 06:12:07,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 06:12:07,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 06:12:07,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 06:12:07,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 06:12:07,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 06:12:07,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 06:12:07,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 06:12:07,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 06:12:07,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 06:12:07,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 06:12:07,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 06:12:07,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 06:12:07,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 06:12:07,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 06:12:07,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 06:12:07,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 06:12:07,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 06:12:07,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 06:12:07,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 06:12:07,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 06:12:07,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 06:12:07,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 06:12:07,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 06:12:07,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 06:12:07,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 06:12:07,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 06:12:07,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 06:12:07,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 06:12:07,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 06:12:07,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 06:12:07,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 06:12:07,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 06:12:07,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 06:12:07,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 06:12:07,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 06:12:07,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 06:12:07,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 06:12:07,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 06:12:07,695 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 [2020-10-13 06:12:07,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 06:12:07,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 06:12:07,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 06:12:07,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 06:12:07,740 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 06:12:07,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 06:12:07,741 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 06:12:07,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 06:12:07,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 06:12:07,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 06:12:07,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 06:12:07,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 06:12:07,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 06:12:07,742 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 06:12:07,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 06:12:07,743 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 06:12:07,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 06:12:07,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 06:12:07,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 06:12:07,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 06:12:07,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 06:12:07,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:12:07,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 06:12:07,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 06:12:07,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 06:12:07,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 06:12:07,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 06:12:07,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 06:12:07,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 06:12:07,746 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 06:12:08,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 06:12:08,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 06:12:08,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 06:12:08,108 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 06:12:08,108 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 06:12:08,109 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label38.c [2020-10-13 06:12:08,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/435cd6f8f/b87c22f326874b1d8734fd1019cfd420/FLAGd60f85a07 [2020-10-13 06:12:08,741 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 06:12:08,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label38.c [2020-10-13 06:12:08,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/435cd6f8f/b87c22f326874b1d8734fd1019cfd420/FLAGd60f85a07 [2020-10-13 06:12:09,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/435cd6f8f/b87c22f326874b1d8734fd1019cfd420 [2020-10-13 06:12:09,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 06:12:09,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 06:12:09,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 06:12:09,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 06:12:09,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 06:12:09,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:12:09" (1/1) ... [2020-10-13 06:12:09,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6752e30a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09, skipping insertion in model container [2020-10-13 06:12:09,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:12:09" (1/1) ... [2020-10-13 06:12:09,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 06:12:09,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 06:12:09,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:12:09,739 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 06:12:09,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:12:09,845 INFO L208 MainTranslator]: Completed translation [2020-10-13 06:12:09,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09 WrapperNode [2020-10-13 06:12:09,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 06:12:09,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 06:12:09,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 06:12:09,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 06:12:09,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09" (1/1) ... [2020-10-13 06:12:09,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09" (1/1) ... [2020-10-13 06:12:09,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09" (1/1) ... [2020-10-13 06:12:09,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09" (1/1) ... [2020-10-13 06:12:09,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09" (1/1) ... [2020-10-13 06:12:09,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09" (1/1) ... [2020-10-13 06:12:09,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09" (1/1) ... [2020-10-13 06:12:09,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 06:12:09,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 06:12:09,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 06:12:09,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 06:12:09,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09" (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 [2020-10-13 06:12:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 06:12:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 06:12:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 06:12:10,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 06:12:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 06:12:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 06:12:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 06:12:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 06:12:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 06:12:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 06:12:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 06:12:11,189 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 06:12:11,189 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 06:12:11,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:12:11 BoogieIcfgContainer [2020-10-13 06:12:11,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 06:12:11,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 06:12:11,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 06:12:11,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 06:12:11,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:12:09" (1/3) ... [2020-10-13 06:12:11,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aece562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:12:11, skipping insertion in model container [2020-10-13 06:12:11,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:12:09" (2/3) ... [2020-10-13 06:12:11,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aece562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:12:11, skipping insertion in model container [2020-10-13 06:12:11,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:12:11" (3/3) ... [2020-10-13 06:12:11,211 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label38.c [2020-10-13 06:12:11,222 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 06:12:11,236 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 06:12:11,250 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 06:12:11,277 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 06:12:11,277 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 06:12:11,278 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 06:12:11,278 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 06:12:11,278 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 06:12:11,278 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 06:12:11,278 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 06:12:11,278 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 06:12:11,299 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-13 06:12:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-13 06:12:11,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:11,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:11,316 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:11,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:11,323 INFO L82 PathProgramCache]: Analyzing trace with hash -358112719, now seen corresponding path program 1 times [2020-10-13 06:12:11,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:11,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855242285] [2020-10-13 06:12:11,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:11,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:12,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:13,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:13,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 06:12:13,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:12:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1520 [2020-10-13 06:12:13,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 06:12:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 06:12:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-13 06:12:13,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 06:12:13,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:13,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:13,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:13,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:13,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:13,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:12:13,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:12:13,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:13,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:12:13,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855242285] [2020-10-13 06:12:13,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 06:12:13,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 06:12:13,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824860425] [2020-10-13 06:12:13,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:12:13,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:13,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:12:13,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:13,892 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 12 states. [2020-10-13 06:12:14,175 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-10-13 06:12:14,331 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-10-13 06:12:14,558 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-13 06:12:14,753 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2020-10-13 06:12:14,966 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-10-13 06:12:15,423 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2020-10-13 06:12:15,833 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2020-10-13 06:12:16,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:16,687 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-13 06:12:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:12:16,690 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 137 [2020-10-13 06:12:16,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:16,704 INFO L225 Difference]: With dead ends: 536 [2020-10-13 06:12:16,704 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:12:16,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:12:16,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:12:16,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:12:16,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:12:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-13 06:12:16,774 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 137 [2020-10-13 06:12:16,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:16,775 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-13 06:12:16,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:12:16,775 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-13 06:12:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 06:12:16,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:16,780 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:16,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 06:12:16,781 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:16,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:16,781 INFO L82 PathProgramCache]: Analyzing trace with hash 622453856, now seen corresponding path program 1 times [2020-10-13 06:12:16,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:16,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823987142] [2020-10-13 06:12:16,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:16,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:16,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:17,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:18,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:18,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-13 06:12:18,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:12:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2054 [2020-10-13 06:12:18,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:18,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:12:18,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 06:12:18,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 06:12:18,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:19,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:19,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:19,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:19,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:19,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:19,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:12:19,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:19,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:12:19,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:19,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:19,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:19,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 06:12:19,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:19,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 06:12:19,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:19,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:19,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 06:12:19,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:12:19,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823987142] [2020-10-13 06:12:19,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:19,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:12:19,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952094617] [2020-10-13 06:12:19,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:12:19,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:19,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:12:19,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:19,800 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-13 06:12:22,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:22,111 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-13 06:12:22,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 06:12:22,112 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 146 [2020-10-13 06:12:22,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:22,115 INFO L225 Difference]: With dead ends: 549 [2020-10-13 06:12:22,115 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:12:22,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-13 06:12:22,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:12:22,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:12:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:12:22,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-13 06:12:22,137 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 146 [2020-10-13 06:12:22,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:22,137 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-13 06:12:22,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:12:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-13 06:12:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-13 06:12:22,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:22,141 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:22,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 06:12:22,142 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:22,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:22,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1013699816, now seen corresponding path program 1 times [2020-10-13 06:12:22,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:22,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723339644] [2020-10-13 06:12:22,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:22,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:22,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:22,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:23,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:23,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 06:12:23,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:12:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1640 [2020-10-13 06:12:23,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:12:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 06:12:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 06:12:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:24,384 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-13 06:12:24,532 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-10-13 06:12:24,726 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-10-13 06:12:24,927 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 44 [2020-10-13 06:12:25,132 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2020-10-13 06:12:25,321 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2020-10-13 06:12:25,495 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 31 [2020-10-13 06:12:25,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:25,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:25,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:25,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:25,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:12:25,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:25,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:25,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:25,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:25,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:25,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:12:25,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:25,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:12:25,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 06:12:25,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:12:25,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723339644] [2020-10-13 06:12:25,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:25,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:12:25,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132244496] [2020-10-13 06:12:25,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:12:25,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:25,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:12:25,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:25,840 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-13 06:12:26,160 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 06:12:26,567 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2020-10-13 06:12:26,828 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-10-13 06:12:27,327 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2020-10-13 06:12:27,762 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-10-13 06:12:28,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:28,339 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-13 06:12:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:12:28,340 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 150 [2020-10-13 06:12:28,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:28,344 INFO L225 Difference]: With dead ends: 554 [2020-10-13 06:12:28,345 INFO L226 Difference]: Without dead ends: 327 [2020-10-13 06:12:28,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:12:28,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-13 06:12:28,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-13 06:12:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:12:28,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-13 06:12:28,376 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 150 [2020-10-13 06:12:28,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:28,377 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-13 06:12:28,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:12:28,377 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-13 06:12:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-13 06:12:28,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:28,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:28,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 06:12:28,382 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:28,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:28,382 INFO L82 PathProgramCache]: Analyzing trace with hash -2022911600, now seen corresponding path program 1 times [2020-10-13 06:12:28,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:28,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510910308] [2020-10-13 06:12:28,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:28,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:28,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:28,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:28,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-13 06:12:28,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:12:28,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-10-13 06:12:28,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:28,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:12:28,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 06:12:28,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-13 06:12:28,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:12:29,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:29,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:29,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:29,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:29,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:29,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:12:29,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:29,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:29,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:29,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:29,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:29,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:29,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:29,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:29,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:12:29,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:29,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:12:29,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:29,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:29,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:12:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:29,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:29,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:29,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 06:12:29,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 06:12:29,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 06:12:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:29,310 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:12:29,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510910308] [2020-10-13 06:12:29,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:29,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:12:29,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511683201] [2020-10-13 06:12:29,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:12:29,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:29,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:12:29,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:12:29,314 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-13 06:12:30,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:30,389 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-13 06:12:30,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:12:30,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-10-13 06:12:30,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:30,394 INFO L225 Difference]: With dead ends: 724 [2020-10-13 06:12:30,394 INFO L226 Difference]: Without dead ends: 323 [2020-10-13 06:12:30,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:12:30,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-13 06:12:30,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-13 06:12:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:12:30,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-13 06:12:30,417 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 172 [2020-10-13 06:12:30,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:30,418 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-13 06:12:30,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:12:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-13 06:12:30,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-13 06:12:30,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:30,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:30,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 06:12:30,422 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:30,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:30,423 INFO L82 PathProgramCache]: Analyzing trace with hash 172734385, now seen corresponding path program 1 times [2020-10-13 06:12:30,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:30,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974118160] [2020-10-13 06:12:30,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:30,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:30,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:30,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:31,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:31,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 06:12:31,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:12:31,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1269 [2020-10-13 06:12:31,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:31,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:12:31,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 06:12:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 06:12:31,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:12:32,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:32,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:32,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:32,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:32,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:32,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:12:32,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:12:32,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:32,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:32,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:32,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:12:32,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:32,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 06:12:32,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:32,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:32,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:32,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 06:12:32,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:12:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:12:32,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974118160] [2020-10-13 06:12:32,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:32,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:12:32,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439744665] [2020-10-13 06:12:32,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:12:32,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:32,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:12:32,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:32,474 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-13 06:12:33,052 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-13 06:12:34,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:34,399 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-13 06:12:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:12:34,401 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 171 [2020-10-13 06:12:34,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:34,405 INFO L225 Difference]: With dead ends: 723 [2020-10-13 06:12:34,405 INFO L226 Difference]: Without dead ends: 401 [2020-10-13 06:12:34,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-13 06:12:34,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-13 06:12:34,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-13 06:12:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:12:34,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-13 06:12:34,423 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 171 [2020-10-13 06:12:34,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:34,424 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-13 06:12:34,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:12:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-13 06:12:34,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-13 06:12:34,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:34,427 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:34,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 06:12:34,427 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:34,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:34,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1454274806, now seen corresponding path program 1 times [2020-10-13 06:12:34,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:34,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16108027] [2020-10-13 06:12:34,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:34,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:34,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:34,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:34,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:36,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:36,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 06:12:36,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:12:36,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2168 [2020-10-13 06:12:36,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:36,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:12:36,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:12:36,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 06:12:36,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:12:36,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:36,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:36,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:36,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:36,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:12:36,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:36,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:36,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:36,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:36,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:36,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:12:36,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:36,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:12:36,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:36,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:36,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:36,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:12:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:36,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:36,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:36,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:12:36,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:36,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:12:36,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:12:36,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 06:12:36,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16108027] [2020-10-13 06:12:36,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:36,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:12:36,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015463802] [2020-10-13 06:12:36,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:12:36,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:36,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:12:36,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:12:36,969 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 5 states. [2020-10-13 06:12:38,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:38,057 INFO L93 Difference]: Finished difference Result 874 states and 1106 transitions. [2020-10-13 06:12:38,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:12:38,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2020-10-13 06:12:38,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:38,064 INFO L225 Difference]: With dead ends: 874 [2020-10-13 06:12:38,064 INFO L226 Difference]: Without dead ends: 399 [2020-10-13 06:12:38,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:12:38,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-13 06:12:38,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2020-10-13 06:12:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:12:38,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 472 transitions. [2020-10-13 06:12:38,097 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 472 transitions. Word has length 179 [2020-10-13 06:12:38,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:38,098 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 472 transitions. [2020-10-13 06:12:38,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:12:38,098 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 472 transitions. [2020-10-13 06:12:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-13 06:12:38,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:38,106 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:38,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 06:12:38,107 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:38,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:38,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1288143589, now seen corresponding path program 1 times [2020-10-13 06:12:38,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:38,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [565661570] [2020-10-13 06:12:38,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:38,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:38,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:38,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:39,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:39,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-13 06:12:39,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:12:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1680 [2020-10-13 06:12:39,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:39,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:12:39,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 06:12:39,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 06:12:39,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:40,257 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-10-13 06:12:40,424 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2020-10-13 06:12:40,628 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2020-10-13 06:12:40,838 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 44 [2020-10-13 06:12:41,005 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2020-10-13 06:12:41,169 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-13 06:12:41,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:41,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:41,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:41,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:41,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:41,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:12:41,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:41,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:41,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:41,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:41,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:41,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:41,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:12:41,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:41,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 06:12:41,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:41,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:41,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:41,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 06:12:41,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:12:41,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [565661570] [2020-10-13 06:12:41,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:41,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:12:41,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508266377] [2020-10-13 06:12:41,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:12:41,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:41,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:12:41,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:41,532 INFO L87 Difference]: Start difference. First operand 394 states and 472 transitions. Second operand 12 states. [2020-10-13 06:12:42,001 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 06:12:42,613 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-10-13 06:12:42,878 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-10-13 06:12:43,524 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-13 06:12:44,170 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2020-10-13 06:12:44,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:44,473 INFO L93 Difference]: Finished difference Result 886 states and 1110 transitions. [2020-10-13 06:12:44,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:12:44,474 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 188 [2020-10-13 06:12:44,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:44,478 INFO L225 Difference]: With dead ends: 886 [2020-10-13 06:12:44,478 INFO L226 Difference]: Without dead ends: 498 [2020-10-13 06:12:44,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:12:44,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-13 06:12:44,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 477. [2020-10-13 06:12:44,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-13 06:12:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 561 transitions. [2020-10-13 06:12:44,513 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 561 transitions. Word has length 188 [2020-10-13 06:12:44,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:44,514 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 561 transitions. [2020-10-13 06:12:44,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:12:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 561 transitions. [2020-10-13 06:12:44,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-13 06:12:44,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:44,518 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:44,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 06:12:44,518 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:44,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:44,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1586188281, now seen corresponding path program 1 times [2020-10-13 06:12:44,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:44,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631536916] [2020-10-13 06:12:44,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:44,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:44,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:45,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:46,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:46,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-13 06:12:46,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:12:46,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1538 [2020-10-13 06:12:46,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:46,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:12:46,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 06:12:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 06:12:46,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:46,676 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2020-10-13 06:12:46,868 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2020-10-13 06:12:47,049 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-10-13 06:12:47,217 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2020-10-13 06:12:47,353 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 30 [2020-10-13 06:12:47,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:47,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:47,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:47,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:47,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:12:47,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:47,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:47,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:47,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:47,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:47,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:12:47,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:47,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 06:12:47,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:47,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:47,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:47,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 06:12:47,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:12:47,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631536916] [2020-10-13 06:12:47,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:47,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:12:47,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876570747] [2020-10-13 06:12:47,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:12:47,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:47,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:12:47,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:47,842 INFO L87 Difference]: Start difference. First operand 477 states and 561 transitions. Second operand 12 states. [2020-10-13 06:12:48,269 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-13 06:12:48,819 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2020-10-13 06:12:49,106 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-10-13 06:12:49,564 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-13 06:12:49,802 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2020-10-13 06:12:50,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:50,458 INFO L93 Difference]: Finished difference Result 1040 states and 1272 transitions. [2020-10-13 06:12:50,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:12:50,459 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 194 [2020-10-13 06:12:50,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:50,463 INFO L225 Difference]: With dead ends: 1040 [2020-10-13 06:12:50,463 INFO L226 Difference]: Without dead ends: 569 [2020-10-13 06:12:50,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:12:50,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-13 06:12:50,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 556. [2020-10-13 06:12:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-13 06:12:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 645 transitions. [2020-10-13 06:12:50,483 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 645 transitions. Word has length 194 [2020-10-13 06:12:50,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:50,484 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 645 transitions. [2020-10-13 06:12:50,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:12:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 645 transitions. [2020-10-13 06:12:50,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-13 06:12:50,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:50,488 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 06:12:50,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 06:12:50,488 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:50,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:50,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1137395965, now seen corresponding path program 1 times [2020-10-13 06:12:50,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:50,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402213771] [2020-10-13 06:12:50,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:50,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:50,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:50,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:50,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:52,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:52,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-13 06:12:52,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:12:52,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2150 [2020-10-13 06:12:52,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:12:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 06:12:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 06:12:52,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:52,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:52,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:52,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:52,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:52,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:52,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:12:52,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:52,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:52,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:52,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:52,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:52,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:52,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:52,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:12:52,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:52,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:12:52,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:52,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:52,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:52,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:52,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:52,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:12:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:52,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:52,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:52,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 06:12:52,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:52,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 06:12:52,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:52,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 06:12:52,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:12:53,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402213771] [2020-10-13 06:12:53,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:53,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 06:12:53,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779227056] [2020-10-13 06:12:53,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 06:12:53,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:53,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 06:12:53,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:12:53,009 INFO L87 Difference]: Start difference. First operand 556 states and 645 transitions. Second operand 6 states. [2020-10-13 06:12:54,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:54,004 INFO L93 Difference]: Finished difference Result 1203 states and 1454 transitions. [2020-10-13 06:12:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:12:54,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2020-10-13 06:12:54,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:54,009 INFO L225 Difference]: With dead ends: 1203 [2020-10-13 06:12:54,009 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 06:12:54,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:12:54,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 06:12:54,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 457. [2020-10-13 06:12:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-10-13 06:12:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 533 transitions. [2020-10-13 06:12:54,026 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 533 transitions. Word has length 219 [2020-10-13 06:12:54,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:54,026 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 533 transitions. [2020-10-13 06:12:54,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 06:12:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 533 transitions. [2020-10-13 06:12:54,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-13 06:12:54,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:54,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:54,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 06:12:54,031 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:54,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:54,031 INFO L82 PathProgramCache]: Analyzing trace with hash -2059421493, now seen corresponding path program 1 times [2020-10-13 06:12:54,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:54,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926746817] [2020-10-13 06:12:54,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:54,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:54,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:54,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:54,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:56,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:56,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-13 06:12:56,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:12:56,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2786 [2020-10-13 06:12:56,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:12:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 06:12:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 06:12:56,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:57,238 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-13 06:12:57,369 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2020-10-13 06:12:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:57,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:57,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:57,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:57,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:57,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:12:57,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:57,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:57,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:57,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:57,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:57,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:57,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:57,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:12:57,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:57,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:12:57,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:57,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:57,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:57,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:57,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:57,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:12:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:57,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:57,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:57,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:12:57,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:57,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 06:12:57,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 06:12:57,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 06:12:58,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926746817] [2020-10-13 06:12:58,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:58,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:12:58,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088135188] [2020-10-13 06:12:58,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:12:58,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:58,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:12:58,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:58,042 INFO L87 Difference]: Start difference. First operand 457 states and 533 transitions. Second operand 12 states. [2020-10-13 06:12:58,585 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-13 06:12:58,901 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-10-13 06:12:59,180 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-13 06:12:59,598 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2020-10-13 06:12:59,833 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2020-10-13 06:13:00,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:00,570 INFO L93 Difference]: Finished difference Result 1000 states and 1211 transitions. [2020-10-13 06:13:00,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:13:00,574 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 230 [2020-10-13 06:13:00,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:00,578 INFO L225 Difference]: With dead ends: 1000 [2020-10-13 06:13:00,578 INFO L226 Difference]: Without dead ends: 549 [2020-10-13 06:13:00,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:13:00,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-13 06:13:00,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 534. [2020-10-13 06:13:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-13 06:13:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 613 transitions. [2020-10-13 06:13:00,600 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 613 transitions. Word has length 230 [2020-10-13 06:13:00,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:00,600 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 613 transitions. [2020-10-13 06:13:00,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:00,601 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 613 transitions. [2020-10-13 06:13:00,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-13 06:13:00,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:00,603 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 06:13:00,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 06:13:00,603 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:00,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:00,604 INFO L82 PathProgramCache]: Analyzing trace with hash 648586265, now seen corresponding path program 1 times [2020-10-13 06:13:00,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:00,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387415224] [2020-10-13 06:13:00,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:00,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:00,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:00,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-13 06:13:00,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:00,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-13 06:13:00,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 06:13:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 06:13:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:01,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:01,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:01,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:01,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:01,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:01,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:01,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:01,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:01,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:01,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:01,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:01,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:01,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:01,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:01,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:01,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:13:01,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:01,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:01,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:01,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:01,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:01,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:01,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:01,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:01,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 06:13:01,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:01,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 06:13:01,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:01,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:01,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:01,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 06:13:01,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-13 06:13:01,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387415224] [2020-10-13 06:13:01,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:01,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 06:13:01,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123430104] [2020-10-13 06:13:01,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 06:13:01,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:01,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 06:13:01,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:01,500 INFO L87 Difference]: Start difference. First operand 534 states and 613 transitions. Second operand 6 states. [2020-10-13 06:13:02,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:02,851 INFO L93 Difference]: Finished difference Result 1245 states and 1526 transitions. [2020-10-13 06:13:02,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 06:13:02,854 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 243 [2020-10-13 06:13:02,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:02,858 INFO L225 Difference]: With dead ends: 1245 [2020-10-13 06:13:02,858 INFO L226 Difference]: Without dead ends: 465 [2020-10-13 06:13:02,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 06:13:02,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-13 06:13:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 458. [2020-10-13 06:13:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-13 06:13:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 530 transitions. [2020-10-13 06:13:02,880 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 530 transitions. Word has length 243 [2020-10-13 06:13:02,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:02,881 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 530 transitions. [2020-10-13 06:13:02,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 06:13:02,881 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 530 transitions. [2020-10-13 06:13:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-13 06:13:02,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:02,884 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:02,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 06:13:02,884 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:02,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:02,884 INFO L82 PathProgramCache]: Analyzing trace with hash -268493722, now seen corresponding path program 1 times [2020-10-13 06:13:02,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:02,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082235280] [2020-10-13 06:13:02,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:02,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:02,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:03,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:03,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:03,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:04,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:04,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:05,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:05,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:07,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:07,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-13 06:13:07,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:13:07,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4093 [2020-10-13 06:13:07,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:13:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 06:13:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 06:13:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:07,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:07,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:07,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:07,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:07,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:07,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:07,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:07,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:07,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:07,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:07,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:07,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:13:07,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:07,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:13:07,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:07,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:13:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:07,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:07,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:07,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:13:07,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:07,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:13:07,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:07,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:07,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:07,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:07,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:07,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 06:13:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:07,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:07,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:07,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 06:13:07,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:07,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:13:07,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:13:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 06:13:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-13 06:13:07,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082235280] [2020-10-13 06:13:07,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:07,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:13:07,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517643261] [2020-10-13 06:13:07,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:13:07,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:07,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:13:07,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:13:07,559 INFO L87 Difference]: Start difference. First operand 458 states and 530 transitions. Second operand 13 states. [2020-10-13 06:13:09,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:09,953 INFO L93 Difference]: Finished difference Result 1152 states and 1416 transitions. [2020-10-13 06:13:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:13:09,954 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 250 [2020-10-13 06:13:09,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:09,957 INFO L225 Difference]: With dead ends: 1152 [2020-10-13 06:13:09,957 INFO L226 Difference]: Without dead ends: 466 [2020-10-13 06:13:09,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:13:09,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-13 06:13:09,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 461. [2020-10-13 06:13:09,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-13 06:13:09,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 541 transitions. [2020-10-13 06:13:09,973 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 541 transitions. Word has length 250 [2020-10-13 06:13:09,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:09,973 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 541 transitions. [2020-10-13 06:13:09,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:13:09,973 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 541 transitions. [2020-10-13 06:13:09,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-13 06:13:09,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:09,976 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:09,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 06:13:09,976 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:09,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:09,976 INFO L82 PathProgramCache]: Analyzing trace with hash -697143007, now seen corresponding path program 1 times [2020-10-13 06:13:09,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:09,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055625990] [2020-10-13 06:13:09,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:10,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:10,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:10,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:10,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:12,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:12,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-13 06:13:12,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:13:12,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2655 [2020-10-13 06:13:12,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 06:13:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 06:13:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:13,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:13,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:13,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:13,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:13,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:13,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:13:13,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:13,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:13,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:13,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:13,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:13,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:13,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:13:13,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:13,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:13:13,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:13,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:13,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:13:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:13,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:13,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:13,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:13:13,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 06:13:13,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 06:13:13,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:13,256 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-13 06:13:13,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055625990] [2020-10-13 06:13:13,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:13,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:13,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426999018] [2020-10-13 06:13:13,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:13,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:13,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:13,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:13,259 INFO L87 Difference]: Start difference. First operand 461 states and 541 transitions. Second operand 12 states. [2020-10-13 06:13:14,076 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-10-13 06:13:14,273 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-10-13 06:13:14,500 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-10-13 06:13:14,673 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2020-10-13 06:13:15,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:15,224 INFO L93 Difference]: Finished difference Result 987 states and 1185 transitions. [2020-10-13 06:13:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:13:15,228 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 265 [2020-10-13 06:13:15,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:15,231 INFO L225 Difference]: With dead ends: 987 [2020-10-13 06:13:15,231 INFO L226 Difference]: Without dead ends: 532 [2020-10-13 06:13:15,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:13:15,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-10-13 06:13:15,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 498. [2020-10-13 06:13:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-10-13 06:13:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 585 transitions. [2020-10-13 06:13:15,258 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 585 transitions. Word has length 265 [2020-10-13 06:13:15,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:15,259 INFO L479 AbstractCegarLoop]: Abstraction has 498 states and 585 transitions. [2020-10-13 06:13:15,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:15,259 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 585 transitions. [2020-10-13 06:13:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-10-13 06:13:15,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:15,261 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-13 06:13:15,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 06:13:15,262 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:15,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:15,262 INFO L82 PathProgramCache]: Analyzing trace with hash -331780814, now seen corresponding path program 1 times [2020-10-13 06:13:15,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:15,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523684007] [2020-10-13 06:13:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:15,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:15,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:15,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:15,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:15,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:16,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:16,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-10-13 06:13:16,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:13:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1606 [2020-10-13 06:13:16,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 06:13:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 06:13:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:17,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:17,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:17,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:17,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:17,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:17,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:17,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:17,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:13:17,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:17,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:13:17,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:17,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:17,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:13:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:17,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:13:17,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:17,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 06:13:17,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:17,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:17,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:17,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:17,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:13:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:17,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 06:13:17,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:17,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:13:17,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:17,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:17,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 06:13:17,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-13 06:13:17,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523684007] [2020-10-13 06:13:17,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:17,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:17,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98931272] [2020-10-13 06:13:17,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:17,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:17,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:17,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:17,594 INFO L87 Difference]: Start difference. First operand 498 states and 585 transitions. Second operand 5 states. [2020-10-13 06:13:18,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:18,561 INFO L93 Difference]: Finished difference Result 1076 states and 1306 transitions. [2020-10-13 06:13:18,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:18,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2020-10-13 06:13:18,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:18,567 INFO L225 Difference]: With dead ends: 1076 [2020-10-13 06:13:18,568 INFO L226 Difference]: Without dead ends: 501 [2020-10-13 06:13:18,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:18,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-10-13 06:13:18,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 498. [2020-10-13 06:13:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-10-13 06:13:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 580 transitions. [2020-10-13 06:13:18,582 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 580 transitions. Word has length 279 [2020-10-13 06:13:18,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:18,583 INFO L479 AbstractCegarLoop]: Abstraction has 498 states and 580 transitions. [2020-10-13 06:13:18,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 580 transitions. [2020-10-13 06:13:18,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-13 06:13:18,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:18,585 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-13 06:13:18,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 06:13:18,586 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:18,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1762659462, now seen corresponding path program 1 times [2020-10-13 06:13:18,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:18,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547811231] [2020-10-13 06:13:18,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:18,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:18,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:18,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:18,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:19,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:19,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:19,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:20,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:21,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:22,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:22,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-13 06:13:22,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:13:22,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3826 [2020-10-13 06:13:22,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:13:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-13 06:13:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 06:13:22,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:23,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:23,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:23,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:23,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:23,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:13:23,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:23,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:23,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:23,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:23,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:13:23,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:13:23,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:23,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:23,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:23,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:23,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:23,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:13:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:23,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:23,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:23,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:13:23,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 06:13:23,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:23,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:13:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:23,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:23,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:23,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 06:13:23,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:23,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 06:13:23,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:23,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:13:23,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:23,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 06:13:23,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 06:13:23,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547811231] [2020-10-13 06:13:23,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:23,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:13:23,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135131405] [2020-10-13 06:13:23,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:13:23,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:23,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:13:23,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:13:23,450 INFO L87 Difference]: Start difference. First operand 498 states and 580 transitions. Second operand 13 states. [2020-10-13 06:13:24,318 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2020-10-13 06:13:24,532 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2020-10-13 06:13:24,893 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2020-10-13 06:13:25,276 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-10-13 06:13:26,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:26,058 INFO L93 Difference]: Finished difference Result 1370 states and 1676 transitions. [2020-10-13 06:13:26,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:13:26,060 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 286 [2020-10-13 06:13:26,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:26,066 INFO L225 Difference]: With dead ends: 1370 [2020-10-13 06:13:26,066 INFO L226 Difference]: Without dead ends: 877 [2020-10-13 06:13:26,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-13 06:13:26,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-13 06:13:26,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 869. [2020-10-13 06:13:26,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:13:26,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 999 transitions. [2020-10-13 06:13:26,100 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 999 transitions. Word has length 286 [2020-10-13 06:13:26,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:26,100 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 999 transitions. [2020-10-13 06:13:26,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:13:26,101 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 999 transitions. [2020-10-13 06:13:26,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-13 06:13:26,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:26,105 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:26,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 06:13:26,105 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:26,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:26,105 INFO L82 PathProgramCache]: Analyzing trace with hash -245259887, now seen corresponding path program 1 times [2020-10-13 06:13:26,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:26,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1390724145] [2020-10-13 06:13:26,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-13 06:13:26,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:26,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-13 06:13:26,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 06:13:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 06:13:26,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:26,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:26,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:26,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:26,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:26,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:13:26,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:13:26,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:26,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:13:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:13:26,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:13:26,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:26,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:13:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 06:13:26,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:13:26,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 06:13:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-13 06:13:27,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1390724145] [2020-10-13 06:13:27,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:27,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:27,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749580133] [2020-10-13 06:13:27,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:27,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:27,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:27,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:27,061 INFO L87 Difference]: Start difference. First operand 869 states and 999 transitions. Second operand 5 states. [2020-10-13 06:13:28,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:28,026 INFO L93 Difference]: Finished difference Result 1823 states and 2143 transitions. [2020-10-13 06:13:28,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:28,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 291 [2020-10-13 06:13:28,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:28,033 INFO L225 Difference]: With dead ends: 1823 [2020-10-13 06:13:28,033 INFO L226 Difference]: Without dead ends: 874 [2020-10-13 06:13:28,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:28,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-13 06:13:28,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 869. [2020-10-13 06:13:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:13:28,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 984 transitions. [2020-10-13 06:13:28,058 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 984 transitions. Word has length 291 [2020-10-13 06:13:28,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:28,058 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 984 transitions. [2020-10-13 06:13:28,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 984 transitions. [2020-10-13 06:13:28,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-13 06:13:28,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:28,062 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:28,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 06:13:28,063 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:28,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:28,063 INFO L82 PathProgramCache]: Analyzing trace with hash -910515709, now seen corresponding path program 1 times [2020-10-13 06:13:28,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:28,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227874273] [2020-10-13 06:13:28,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:28,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:29,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:30,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:30,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 06:13:30,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:13:30,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2749 [2020-10-13 06:13:30,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 06:13:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 06:13:30,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:30,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:30,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:30,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:30,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:30,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:30,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:30,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:30,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:30,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:30,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:30,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:30,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:30,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:30,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:13:30,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:30,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:13:30,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:30,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:30,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:30,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:30,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:30,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:13:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:30,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:31,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:31,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:13:31,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:31,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 06:13:31,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:31,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:31,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:31,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:31,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:31,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:13:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:31,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:31,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:31,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 06:13:31,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:31,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:13:31,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:31,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:31,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 06:13:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 06:13:31,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227874273] [2020-10-13 06:13:31,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:31,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:31,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813909061] [2020-10-13 06:13:31,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:31,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:31,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:31,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:31,152 INFO L87 Difference]: Start difference. First operand 869 states and 984 transitions. Second operand 5 states. [2020-10-13 06:13:32,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:32,017 INFO L93 Difference]: Finished difference Result 1821 states and 2105 transitions. [2020-10-13 06:13:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:32,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 296 [2020-10-13 06:13:32,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:32,022 INFO L225 Difference]: With dead ends: 1821 [2020-10-13 06:13:32,022 INFO L226 Difference]: Without dead ends: 874 [2020-10-13 06:13:32,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:32,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-13 06:13:32,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 869. [2020-10-13 06:13:32,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:13:32,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 971 transitions. [2020-10-13 06:13:32,048 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 971 transitions. Word has length 296 [2020-10-13 06:13:32,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:32,048 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 971 transitions. [2020-10-13 06:13:32,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:32,048 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 971 transitions. [2020-10-13 06:13:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-10-13 06:13:32,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:32,052 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:32,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 06:13:32,053 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:32,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:32,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1538786796, now seen corresponding path program 1 times [2020-10-13 06:13:32,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:32,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367832488] [2020-10-13 06:13:32,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:32,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:32,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:32,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:32,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:33,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:33,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:33,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:33,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:34,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:34,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:34,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 367 [2020-10-13 06:13:35,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 06:13:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3544 [2020-10-13 06:13:35,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:35,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 06:13:35,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:13:35,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:35,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:35,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:35,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:35,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:35,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:35,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:35,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:35,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:35,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:13:35,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:35,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:13:35,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:35,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:35,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:13:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:35,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:13:35,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 06:13:35,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:35,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:35,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:13:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:35,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 06:13:35,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:35,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 06:13:35,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:35,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:35,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 06:13:35,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:35,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 06:13:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:35,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 06:13:35,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:35,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 06:13:35,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:13:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:13:36,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 06:13:36,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367832488] [2020-10-13 06:13:36,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:36,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:13:36,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871494915] [2020-10-13 06:13:36,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:13:36,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:36,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:13:36,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:13:36,188 INFO L87 Difference]: Start difference. First operand 869 states and 971 transitions. Second operand 7 states. [2020-10-13 06:13:36,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:36,995 INFO L93 Difference]: Finished difference Result 1262 states and 1388 transitions. [2020-10-13 06:13:36,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 06:13:36,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 351 [2020-10-13 06:13:36,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:36,997 INFO L225 Difference]: With dead ends: 1262 [2020-10-13 06:13:36,997 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 06:13:37,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:37,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 06:13:37,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 06:13:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 06:13:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 06:13:37,001 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 351 [2020-10-13 06:13:37,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:37,002 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 06:13:37,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:13:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 06:13:37,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 06:13:37,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 06:13:37,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 06:13:38,340 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 201 DAG size of output: 172 [2020-10-13 06:13:38,961 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 168 [2020-10-13 06:13:41,248 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 261 DAG size of output: 174 [2020-10-13 06:13:41,813 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 80 [2020-10-13 06:13:42,486 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 106 [2020-10-13 06:13:42,490 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:13:42,491 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)|)) [2020-10-13 06:13:42,491 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:13:42,491 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,491 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,491 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,492 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,492 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,492 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-13 06:13:42,492 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-13 06:13:42,493 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-13 06:13:42,493 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-13 06:13:42,493 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-13 06:13:42,493 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-13 06:13:42,493 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-13 06:13:42,493 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-13 06:13:42,493 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-13 06:13:42,493 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-13 06:13:42,494 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:13:42,494 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:13:42,494 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-13 06:13:42,494 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,494 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,494 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,494 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,494 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:13:42,495 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-13 06:13:42,496 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-13 06:13:42,496 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-13 06:13:42,496 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:13:42,496 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:13:42,496 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-13 06:13:42,496 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,496 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,496 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,496 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,496 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,497 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 565) no Hoare annotation was computed. [2020-10-13 06:13:42,497 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:13:42,497 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-13 06:13:42,497 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:13:42,497 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-13 06:13:42,497 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-13 06:13:42,497 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-13 06:13:42,497 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-13 06:13:42,497 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-13 06:13:42,498 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,499 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-13 06:13:42,500 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,501 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,502 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-13 06:13:42,503 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-13 06:13:42,504 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-13 06:13:42,505 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-13 06:13:42,505 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-13 06:13:42,505 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,505 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,505 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,506 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse7 (= ~a17~0 8)) (.cse24 (= ~a25~0 1)) (.cse16 (= ~a19~0 |old(~a19~0)|)) (.cse17 (= ~a28~0 10)) (.cse32 (= |old(~a19~0)| 1)) (.cse19 (= |old(~a11~0)| 1))) (let ((.cse14 (not (= |old(~a19~0)| |old(~a25~0)|))) (.cse13 (not (= 0 |old(~a19~0)|))) (.cse21 (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 (not (<= |old(~a11~0)| 0))) (.cse3 (not (<= |old(~a25~0)| 0))) (.cse23 (not (= 9 |old(~a28~0)|))) (.cse25 (= ~a28~0 9)) (.cse27 (not (<= |old(~a19~0)| 1))) (.cse28 (not (<= 1 |old(~a19~0)|))) (.cse0 (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)))) (.cse20 (not (<= |old(~a17~0)| 8))) (.cse31 (not (< 7 |old(~a17~0)|))) (.cse6 (= ~a25~0 |old(~a25~0)|)) (.cse29 (<= ~a17~0 8)) (.cse30 (< 7 ~a17~0)) (.cse15 (= 7 ~a17~0)) (.cse8 (= 7 ~a28~0)) (.cse12 (not (= 7 |old(~a17~0)|))) (.cse9 (not (= 7 |old(~a28~0)|))) (.cse18 (not .cse19)) (.cse22 (not (= |old(~a25~0)| 1))) (.cse11 (not (= 10 |old(~a28~0)|))) (.cse1 (not .cse32)) (.cse2 (not (= 8 |old(~a17~0)|))) (.cse26 (and .cse5 .cse7 .cse24 .cse16 .cse17)) (.cse4 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 (= ~a19~0 1) .cse6 .cse7 .cse8) .cse9 .cse10) (or .cse11 .cse12 .cse13 .cse14 .cse4 (and .cse15 .cse5 (= ~a25~0 ~a19~0) .cse16 .cse17) .cse18) (or .cse0 .cse13 .cse2 .cse19 (and (= ~a19~0 0) .cse5 .cse6 .cse7 .cse8) .cse4 .cse9) (or (not (<= |old(~a28~0)| 7)) .cse20 (and (not (< 1 |old(~a19~0)|)) (not (<= |old(~a19~0)| 0))) (not (<= |old(~a11~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (<= 7 |old(~a28~0)|)) .cse3 .cse4 (not (<= 1 |old(~a11~0)|)) (and (= ~a17~0 |old(~a17~0)|) (<= 1 ~a11~0) (<= 7 ~a28~0) .cse6 (<= ~a11~0 1) (<= ~a28~0 7) .cse16)) (or .cse11 .cse1 .cse2 .cse19 .cse4 .cse21 (and .cse5 .cse6 .cse7 .cse16 .cse17)) (or .cse22 .cse14 .cse2 .cse23 .cse4 (and .cse5 .cse7 .cse24 .cse25 .cse16)) (or .cse22 .cse11 .cse13 .cse2 .cse19 .cse26 .cse4 .cse21) (or .cse27 .cse20 (not (< 8 |old(~a28~0)|)) .cse28 (not (<= |old(~a28~0)| 9)) .cse4 .cse21 (and .cse5 .cse6 (<= ~a28~0 9) .cse29 .cse30 .cse16 (< 8 ~a28~0)) (and (not (<= 2 |old(~a11~0)|)) .cse10) .cse31) (or .cse32 .cse22 .cse12 (and .cse15 .cse5 .cse24 .cse25 .cse16) .cse23 .cse4 (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse1 .cse2 .cse3 .cse23 .cse4 (and .cse5 .cse6 .cse7 .cse25 .cse16) .cse18) (or .cse27 .cse22 (and (= ~a28~0 |old(~a28~0)|) .cse5 .cse7 .cse24 .cse16) .cse28 .cse2 .cse19 .cse4) (or .cse0 .cse32 .cse20 (not (= 0 |old(~a25~0)|)) .cse19 .cse4 .cse31 (and .cse5 .cse6 (= ~a28~0 8) .cse29 .cse30 .cse16) (not (= 8 |old(~a28~0)|))) (or (and .cse15 .cse5 .cse8 .cse24 .cse16) .cse22 .cse12 .cse1 .cse4 .cse9 .cse18) (or .cse22 .cse11 .cse1 .cse2 .cse26 .cse4)))) [2020-10-13 06:13:42,506 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,506 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,506 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,506 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-13 06:13:42,506 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-13 06:13:42,506 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,507 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:13:42,508 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-13 06:13:42,509 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:13:42,510 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-13 06:13:42,511 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-13 06:13:42,511 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:13:42,511 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (<= ~a19~0 1) (<= ~a25~0 0) (<= 1 ~a19~0)) [2020-10-13 06:13:42,511 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 06:13:42,511 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:13:42,511 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0))) [2020-10-13 06:13:42,512 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= ~a19~0 1)) (.cse7 (= ~a11~0 1))) (let ((.cse0 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a25~0 0)) (.cse5 (= 7 ~a28~0)) (.cse8 (= ~a19~0 0)) (.cse9 (not .cse7)) (.cse14 (= ~a25~0 ~a19~0)) (.cse3 (= 7 ~a17~0)) (.cse11 (not .cse4)) (.cse13 (= ~a28~0 9)) (.cse10 (= ~a17~0 8)) (.cse6 (= ~a25~0 1)) (.cse12 (= ~a28~0 10))) (or (and (<= 1 ~a11~0) (<= 7 ~a28~0) (<= ~a11~0 1) .cse0 (<= ~a28~0 7) .cse1 .cse2 (or (<= ~a19~0 0) (< 1 ~a19~0))) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse5 .cse9 .cse1) (and (or (<= ~a11~0 0) (< 1 ~a11~0)) (<= 9 ~a28~0) .cse0 (<= ~a28~0 9) .cse1 (= ~a19~0 |old(~a19~0)|)) (and .cse10 .cse6 (<= ~a19~0 1) .cse9 (<= 1 ~a19~0)) (and (= ~a25~0 0) .cse0 .cse11 .cse9 .cse1 (= ~a28~0 8)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse8 .cse10 .cse6 .cse9 .cse12) (and .cse4 .cse10 .cse13 .cse2) (and (= ~a11~0 |old(~a11~0)|) .cse4 (= ~a25~0 |old(~a25~0)|) .cse10 .cse5) (and .cse8 .cse3 .cse7 .cse14 .cse12) (and .cse4 .cse10 .cse9 .cse12) (and .cse10 .cse6 .cse13 .cse14) (and (= ~a25~0 ~a11~0) .cse3 .cse11 .cse6 .cse13) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) (and .cse4 .cse10 .cse6 .cse12)))) [2020-10-13 06:13:42,512 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:13:42,512 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:13:42,512 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= ~a11~0 1)) (.cse4 (= ~a19~0 1))) (let ((.cse5 (= 7 ~a28~0)) (.cse2 (<= ~a25~0 0)) (.cse9 (= ~a19~0 0)) (.cse12 (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)))) (.cse15 (= ~a25~0 ~a19~0)) (.cse3 (= 7 ~a17~0)) (.cse14 (= ~a28~0 9)) (.cse11 (= ~a17~0 8)) (.cse6 (= ~a25~0 1)) (.cse13 (= ~a28~0 10)) (.cse8 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1))) (.cse0 (<= 8 ~a17~0)) (.cse16 (not .cse4)) (.cse10 (not .cse7)) (.cse1 (<= ~a17~0 8))) (or (and (<= 1 ~a11~0) (<= 7 ~a28~0) (<= ~a11~0 1) .cse0 (<= ~a28~0 7) .cse1 .cse2 (or (<= ~a19~0 0) (< 1 ~a19~0))) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse5 .cse10 .cse1) (and .cse11 .cse6 (<= ~a19~0 1) .cse10 (<= 1 ~a19~0)) (not (= |old(~a19~0)| 1)) (and (or (<= ~a11~0 0) (< 1 ~a11~0)) (<= 9 ~a28~0) .cse0 .cse12 (<= ~a28~0 9) .cse1 (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse8 (= ~a11~0 |old(~a11~0)|) .cse4 (= ~a25~0 |old(~a25~0)|) .cse11 .cse5) (and .cse9 .cse11 .cse12 .cse6 .cse10 .cse13) (and .cse4 .cse11 .cse14 .cse7 .cse2) (and .cse9 .cse3 .cse7 .cse15 .cse13) (and .cse4 .cse11 .cse12 .cse10 .cse13) (and .cse11 .cse6 .cse14 .cse15) (and (= ~a25~0 ~a11~0) .cse3 .cse16 .cse6 .cse14) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse4 .cse11 .cse6 .cse13) (not (<= |old(~a11~0)| 0)) (and .cse8 (= ~a25~0 0) .cse0 .cse16 .cse10 .cse1 (= ~a28~0 8))))) [2020-10-13 06:13:42,512 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-13 06:13:42,512 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-13 06:13:42,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:13:42 BoogieIcfgContainer [2020-10-13 06:13:42,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 06:13:42,545 INFO L168 Benchmark]: Toolchain (without parser) took 93444.05 ms. Allocated memory was 140.5 MB in the beginning and 1.0 GB in the end (delta: 908.6 MB). Free memory was 100.4 MB in the beginning and 123.0 MB in the end (delta: -22.6 MB). Peak memory consumption was 892.2 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:42,546 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-13 06:13:42,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.62 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 100.0 MB in the beginning and 172.3 MB in the end (delta: -72.3 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:42,547 INFO L168 Benchmark]: Boogie Preprocessor took 115.02 ms. Allocated memory is still 205.5 MB. Free memory was 172.3 MB in the beginning and 167.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:42,548 INFO L168 Benchmark]: RCFGBuilder took 1237.69 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 166.4 MB in the beginning and 178.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:42,551 INFO L168 Benchmark]: TraceAbstraction took 91339.93 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 812.6 MB). Free memory was 178.6 MB in the beginning and 123.0 MB in the end (delta: 55.6 MB). Peak memory consumption was 874.4 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:42,554 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.62 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 100.0 MB in the beginning and 172.3 MB in the end (delta: -72.3 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.02 ms. Allocated memory is still 205.5 MB. Free memory was 172.3 MB in the beginning and 167.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1237.69 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 166.4 MB in the beginning and 178.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 91339.93 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 812.6 MB). Free memory was 178.6 MB in the beginning and 123.0 MB in the end (delta: 55.6 MB). Peak memory consumption was 874.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 565]: 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: (((((((((((((((((((((((((1 <= a11 && 7 <= a28) && a11 <= 1) && 8 <= a17) && a28 <= 7) && a17 <= 8) && a25 <= 0) && (a19 <= 0 || 1 < a19)) || ((((7 == a17 && a19 == 1) && 7 == a28) && a25 == 1) && a11 == 1)) || ((((a19 == 0 && 8 <= a17) && 7 == a28) && !(a11 == 1)) && a17 <= 8)) || ((((((a11 <= 0 || 1 < a11) && 9 <= a28) && 8 <= a17) && a28 <= 9) && a17 <= 8) && a19 == \old(a19))) || ((((a17 == 8 && a25 == 1) && a19 <= 1) && !(a11 == 1)) && 1 <= a19)) || (((((a25 == 0 && 8 <= a17) && !(a19 == 1)) && !(a11 == 1)) && a17 <= 8) && a28 == 8)) || !(\old(a19) == 1)) || !(8 == \old(a17))) || !(\old(a25) <= 0)) || ((((a19 == 0 && a17 == 8) && a25 == 1) && !(a11 == 1)) && a28 == 10)) || (((a19 == 1 && a17 == 8) && a28 == 9) && a25 <= 0)) || ((((a11 == \old(a11) && a19 == 1) && a25 == \old(a25)) && a17 == 8) && 7 == a28)) || ((((a19 == 0 && 7 == a17) && a11 == 1) && a25 == a19) && a28 == 10)) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a28 == 10)) || (((a17 == 8 && a25 == 1) && a28 == 9) && a25 == a19)) || ((((a25 == a11 && 7 == a17) && !(a19 == 1)) && a25 == 1) && a28 == 9)) || !(a21 == 1)) || !(7 == \old(a28))) || !(\old(a11) <= 0)) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 85.7s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 32.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 6625 SDslu, 955 SDs, 0 SdLazy, 14660 SolverSat, 1275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 392 GetRequests, 155 SyntacticMatches, 10 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 155 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 149 NumberOfFragments, 1611 HoareAnnotationTreeSize, 109 FomulaSimplifications, 20710100 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2578 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 48.0s InterpolantComputationTime, 4047 NumberOfCodeBlocks, 4047 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4029 ConstructedInterpolants, 0 QuantifiedInterpolants, 9545845 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 2294/2328 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...