/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_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 06:13:38,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 06:13:38,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 06:13:38,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 06:13:38,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 06:13:38,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 06:13:38,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 06:13:38,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 06:13:38,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 06:13:38,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 06:13:38,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 06:13:38,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 06:13:38,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 06:13:38,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 06:13:38,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 06:13:38,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 06:13:38,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 06:13:38,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 06:13:38,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 06:13:38,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 06:13:38,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 06:13:38,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 06:13:38,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 06:13:38,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 06:13:38,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 06:13:38,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 06:13:38,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 06:13:38,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 06:13:38,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 06:13:38,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 06:13:38,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 06:13:38,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 06:13:38,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 06:13:38,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 06:13:38,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 06:13:38,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 06:13:38,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 06:13:38,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 06:13:38,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 06:13:38,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 06:13:38,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 06:13:38,565 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 06:13:38,602 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 06:13:38,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 06:13:38,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 06:13:38,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 06:13:38,604 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 06:13:38,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 06:13:38,605 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 06:13:38,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 06:13:38,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 06:13:38,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 06:13:38,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 06:13:38,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 06:13:38,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 06:13:38,607 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 06:13:38,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 06:13:38,608 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 06:13:38,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 06:13:38,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 06:13:38,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 06:13:38,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 06:13:38,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 06:13:38,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:13:38,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 06:13:38,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 06:13:38,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 06:13:38,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 06:13:38,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 06:13:38,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 06:13:38,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 06:13:38,610 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 06:13:38,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 06:13:38,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 06:13:38,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 06:13:38,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 06:13:38,932 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 06:13:38,933 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-10-13 06:13:38,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/187ec58bb/246e3e63978f40df85ad106237c5a5cf/FLAG7e5db9737 [2020-10-13 06:13:39,546 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 06:13:39,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-10-13 06:13:39,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/187ec58bb/246e3e63978f40df85ad106237c5a5cf/FLAG7e5db9737 [2020-10-13 06:13:39,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/187ec58bb/246e3e63978f40df85ad106237c5a5cf [2020-10-13 06:13:39,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 06:13:39,810 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 06:13:39,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 06:13:39,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 06:13:39,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 06:13:39,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:13:39" (1/1) ... [2020-10-13 06:13:39,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e3fcd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:39, skipping insertion in model container [2020-10-13 06:13:39,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:13:39" (1/1) ... [2020-10-13 06:13:39,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 06:13:39,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 06:13:40,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:13:40,396 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 06:13:40,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:13:40,530 INFO L208 MainTranslator]: Completed translation [2020-10-13 06:13:40,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:40 WrapperNode [2020-10-13 06:13:40,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 06:13:40,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 06:13:40,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 06:13:40,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 06:13:40,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:40" (1/1) ... [2020-10-13 06:13:40,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:40" (1/1) ... [2020-10-13 06:13:40,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:40" (1/1) ... [2020-10-13 06:13:40,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:40" (1/1) ... [2020-10-13 06:13:40,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:40" (1/1) ... [2020-10-13 06:13:40,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:40" (1/1) ... [2020-10-13 06:13:40,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:40" (1/1) ... [2020-10-13 06:13:40,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 06:13:40,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 06:13:40,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 06:13:40,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 06:13:40,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:40" (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 06:13:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 06:13:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 06:13:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 06:13:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 06:13:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 06:13:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 06:13:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 06:13:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 06:13:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 06:13:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 06:13:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 06:13:41,833 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 06:13:41,833 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 06:13:41,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:13:41 BoogieIcfgContainer [2020-10-13 06:13:41,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 06:13:41,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 06:13:41,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 06:13:41,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 06:13:41,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:13:39" (1/3) ... [2020-10-13 06:13:41,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f37d062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:13:41, skipping insertion in model container [2020-10-13 06:13:41,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:40" (2/3) ... [2020-10-13 06:13:41,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f37d062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:13:41, skipping insertion in model container [2020-10-13 06:13:41,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:13:41" (3/3) ... [2020-10-13 06:13:41,857 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label55.c [2020-10-13 06:13:41,868 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 06:13:41,880 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 06:13:41,894 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 06:13:41,928 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 06:13:41,929 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 06:13:41,929 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 06:13:41,929 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 06:13:41,929 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 06:13:41,930 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 06:13:41,930 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 06:13:41,930 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 06:13:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-13 06:13:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-13 06:13:41,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:41,978 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] [2020-10-13 06:13:41,978 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:41,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:41,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1666327721, now seen corresponding path program 1 times [2020-10-13 06:13:41,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:41,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798424876] [2020-10-13 06:13:41,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:42,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:42,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:43,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 06:13:43,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:43,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1424 [2020-10-13 06:13:43,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 06:13:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 06:13:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-13 06:13:43,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 06:13:44,409 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-10-13 06:13:44,644 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-10-13 06:13:44,870 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2020-10-13 06:13:45,085 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 41 [2020-10-13 06:13:45,301 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 36 [2020-10-13 06:13:45,470 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2020-10-13 06:13:45,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:45,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:45,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:45,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:45,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:45,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:13:45,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:45,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:13:45,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:45,754 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 06:13:45,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798424876] [2020-10-13 06:13:45,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 06:13:45,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 06:13:45,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346624673] [2020-10-13 06:13:45,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 06:13:45,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:45,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 06:13:45,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 06:13:45,782 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-13 06:13:46,235 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-13 06:13:46,557 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2020-10-13 06:13:46,828 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2020-10-13 06:13:47,376 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2020-10-13 06:13:47,894 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2020-10-13 06:13:48,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:48,910 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-13 06:13:48,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:13:48,917 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 111 [2020-10-13 06:13:48,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:48,944 INFO L225 Difference]: With dead ends: 536 [2020-10-13 06:13:48,944 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:13:48,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:13:48,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:13:49,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:13:49,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:13:49,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-13 06:13:49,017 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 111 [2020-10-13 06:13:49,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:49,018 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-13 06:13:49,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 06:13:49,018 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-13 06:13:49,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 06:13:49,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:49,022 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] [2020-10-13 06:13:49,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 06:13:49,023 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:49,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:49,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1096762264, now seen corresponding path program 1 times [2020-10-13 06:13:49,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:49,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941271189] [2020-10-13 06:13:49,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:49,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:49,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:49,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:50,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:50,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 06:13:50,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:50,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1370 [2020-10-13 06:13:50,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:50,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 06:13:50,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 06:13:50,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-13 06:13:50,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:50,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:50,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:50,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:50,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:50,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:13:50,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:50,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:50,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:50,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:50,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:50,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:50,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:50,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 06:13:50,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:13:50,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 06:13:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:51,080 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 06:13:51,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941271189] [2020-10-13 06:13:51,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:51,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:51,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662274669] [2020-10-13 06:13:51,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:51,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:51,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:51,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:51,088 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-13 06:13:53,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:53,129 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-13 06:13:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 06:13:53,130 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-10-13 06:13:53,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:53,133 INFO L225 Difference]: With dead ends: 549 [2020-10-13 06:13:53,134 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:13:53,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-13 06:13:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:13:53,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:13:53,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:13:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-13 06:13:53,187 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 120 [2020-10-13 06:13:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:53,188 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-13 06:13:53,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-13 06:13:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 06:13:53,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:53,195 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] [2020-10-13 06:13:53,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 06:13:53,195 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:53,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:53,195 INFO L82 PathProgramCache]: Analyzing trace with hash -942092768, now seen corresponding path program 1 times [2020-10-13 06:13:53,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:53,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921023831] [2020-10-13 06:13:53,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:53,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:53,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:53,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:55,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:55,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 06:13:55,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1980 [2020-10-13 06:13:55,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 06:13:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 06:13:55,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:55,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:55,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:55,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:55,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:55,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:55,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:13:55,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:55,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:55,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:55,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:55,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:55,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:13:55,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:55,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:13:55,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 06:13:55,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:55,735 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 06:13:55,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921023831] [2020-10-13 06:13:55,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:55,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:55,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545413625] [2020-10-13 06:13:55,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:55,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:55,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:55,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:55,738 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-13 06:13:56,322 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-13 06:13:57,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:57,520 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-13 06:13:57,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:13:57,521 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 124 [2020-10-13 06:13:57,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:57,525 INFO L225 Difference]: With dead ends: 554 [2020-10-13 06:13:57,525 INFO L226 Difference]: Without dead ends: 327 [2020-10-13 06:13:57,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:13:57,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-13 06:13:57,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-13 06:13:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:13:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-13 06:13:57,547 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 124 [2020-10-13 06:13:57,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:57,548 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-13 06:13:57,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-13 06:13:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 06:13:57,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:57,550 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] [2020-10-13 06:13:57,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 06:13:57,551 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:57,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:57,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1680362696, now seen corresponding path program 1 times [2020-10-13 06:13:57,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:57,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542265666] [2020-10-13 06:13:57,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:57,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:57,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:58,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:58,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-13 06:13:58,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:58,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 437 [2020-10-13 06:13:58,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 06:13:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-13 06:13:58,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:58,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:58,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:58,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:58,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:58,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:58,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:58,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:58,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:58,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:58,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:58,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:13:58,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:58,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:58,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:58,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:58,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:58,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:58,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:13:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:58,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:58,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:58,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 06:13:58,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:58,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 06:13:58,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 06:13:58,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:58,445 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 06:13:58,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542265666] [2020-10-13 06:13:58,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:58,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:13:58,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459712050] [2020-10-13 06:13:58,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:13:58,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:58,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:13:58,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:13:58,448 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 7 states. [2020-10-13 06:13:59,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:59,650 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-13 06:13:59,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:59,651 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-10-13 06:13:59,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:59,655 INFO L225 Difference]: With dead ends: 724 [2020-10-13 06:13:59,655 INFO L226 Difference]: Without dead ends: 323 [2020-10-13 06:13:59,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-13 06:13:59,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-13 06:13:59,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-13 06:13:59,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:13:59,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-13 06:13:59,676 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 146 [2020-10-13 06:13:59,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:59,676 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-13 06:13:59,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:13:59,676 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-13 06:13:59,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 06:13:59,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:59,679 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] [2020-10-13 06:13:59,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 06:13:59,679 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:59,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:59,680 INFO L82 PathProgramCache]: Analyzing trace with hash 925243945, now seen corresponding path program 1 times [2020-10-13 06:13:59,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:59,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144384238] [2020-10-13 06:13:59,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:59,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:59,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:00,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:01,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:01,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 06:14:01,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:14:01,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1332 [2020-10-13 06:14:01,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:14:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 06:14:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 06:14:01,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:01,430 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-13 06:14:01,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:01,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:01,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:01,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:01,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:01,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:14:01,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:01,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:01,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:01,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:01,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:01,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:14:01,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:01,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 06:14:01,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 06:14:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:02,085 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 06:14:02,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144384238] [2020-10-13 06:14:02,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:02,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:14:02,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342165918] [2020-10-13 06:14:02,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:14:02,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:02,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:14:02,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:14:02,092 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-13 06:14:04,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:04,052 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-13 06:14:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:14:04,053 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 145 [2020-10-13 06:14:04,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:04,056 INFO L225 Difference]: With dead ends: 723 [2020-10-13 06:14:04,057 INFO L226 Difference]: Without dead ends: 401 [2020-10-13 06:14:04,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-13 06:14:04,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-13 06:14:04,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-13 06:14:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:14:04,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-13 06:14:04,075 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 145 [2020-10-13 06:14:04,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:04,075 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-13 06:14:04,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:14:04,076 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-13 06:14:04,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 06:14:04,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:04,078 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] [2020-10-13 06:14:04,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 06:14:04,079 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:04,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:04,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1847682990, now seen corresponding path program 1 times [2020-10-13 06:14:04,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:04,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129669802] [2020-10-13 06:14:04,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:04,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:04,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:04,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:04,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:05,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:05,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-13 06:14:05,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:14:05,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1480 [2020-10-13 06:14:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:14:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 06:14:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:05,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:05,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:05,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:05,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:05,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:14:05,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:05,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:05,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:05,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:14:05,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:05,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:14:05,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:05,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:05,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:14:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:05,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:05,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:05,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:14:05,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:14:05,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:14:05,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:05,902 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 06:14:05,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129669802] [2020-10-13 06:14:05,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:05,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:05,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755817914] [2020-10-13 06:14:05,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:05,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:05,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:05,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:05,905 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 5 states. [2020-10-13 06:14:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:06,931 INFO L93 Difference]: Finished difference Result 874 states and 1106 transitions. [2020-10-13 06:14:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:06,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-13 06:14:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:06,935 INFO L225 Difference]: With dead ends: 874 [2020-10-13 06:14:06,935 INFO L226 Difference]: Without dead ends: 399 [2020-10-13 06:14:06,937 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 06:14:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-13 06:14:06,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2020-10-13 06:14:06,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:14:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 472 transitions. [2020-10-13 06:14:06,967 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 472 transitions. Word has length 153 [2020-10-13 06:14:06,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:06,968 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 472 transitions. [2020-10-13 06:14:06,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 472 transitions. [2020-10-13 06:14:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-13 06:14:06,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:06,971 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] [2020-10-13 06:14:06,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 06:14:06,971 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:06,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:06,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1360932845, now seen corresponding path program 1 times [2020-10-13 06:14:06,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:06,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119356480] [2020-10-13 06:14:06,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:07,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:07,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:07,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:08,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:08,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 06:14:08,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:14:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1214 [2020-10-13 06:14:08,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:14:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 06:14:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 06:14:08,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:08,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:08,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:08,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:08,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:08,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:08,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:14:08,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:08,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:08,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:08,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:08,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:08,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:08,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 06:14:08,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:08,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 06:14:08,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:08,956 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 06:14:08,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119356480] [2020-10-13 06:14:08,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:08,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:14:08,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780304192] [2020-10-13 06:14:08,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:14:08,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:08,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:14:08,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:14:08,960 INFO L87 Difference]: Start difference. First operand 394 states and 472 transitions. Second operand 12 states. [2020-10-13 06:14:09,472 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-13 06:14:10,111 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-13 06:14:11,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:11,704 INFO L93 Difference]: Finished difference Result 886 states and 1110 transitions. [2020-10-13 06:14:11,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:14:11,708 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 162 [2020-10-13 06:14:11,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:11,711 INFO L225 Difference]: With dead ends: 886 [2020-10-13 06:14:11,712 INFO L226 Difference]: Without dead ends: 498 [2020-10-13 06:14:11,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:14:11,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-13 06:14:11,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 477. [2020-10-13 06:14:11,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-13 06:14:11,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 561 transitions. [2020-10-13 06:14:11,730 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 561 transitions. Word has length 162 [2020-10-13 06:14:11,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:11,731 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 561 transitions. [2020-10-13 06:14:11,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:14:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 561 transitions. [2020-10-13 06:14:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-13 06:14:11,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:11,734 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] [2020-10-13 06:14:11,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 06:14:11,734 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:11,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:11,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1588473345, now seen corresponding path program 1 times [2020-10-13 06:14:11,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:11,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990073908] [2020-10-13 06:14:11,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:11,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:11,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:13,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:13,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 06:14:13,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:14:13,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1350 [2020-10-13 06:14:13,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:14:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 06:14:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 06:14:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:13,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:13,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:13,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:13,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:13,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:13,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:13,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:13,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:13,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:13,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:14:13,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:13,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 06:14:13,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 06:14:13,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:14,251 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 06:14:14,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990073908] [2020-10-13 06:14:14,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:14,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:14:14,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593245028] [2020-10-13 06:14:14,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:14:14,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:14,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:14:14,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:14:14,260 INFO L87 Difference]: Start difference. First operand 477 states and 561 transitions. Second operand 12 states. [2020-10-13 06:14:15,078 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-13 06:14:16,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:16,193 INFO L93 Difference]: Finished difference Result 1040 states and 1272 transitions. [2020-10-13 06:14:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:14:16,194 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 168 [2020-10-13 06:14:16,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:16,199 INFO L225 Difference]: With dead ends: 1040 [2020-10-13 06:14:16,199 INFO L226 Difference]: Without dead ends: 569 [2020-10-13 06:14:16,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:14:16,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-13 06:14:16,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 556. [2020-10-13 06:14:16,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-13 06:14:16,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 645 transitions. [2020-10-13 06:14:16,239 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 645 transitions. Word has length 168 [2020-10-13 06:14:16,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:16,240 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 645 transitions. [2020-10-13 06:14:16,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:14:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 645 transitions. [2020-10-13 06:14:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-13 06:14:16,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:16,246 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] [2020-10-13 06:14:16,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 06:14:16,246 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:16,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:16,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1381846411, now seen corresponding path program 1 times [2020-10-13 06:14:16,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:16,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846774791] [2020-10-13 06:14:16,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:16,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:17,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:17,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:17,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 06:14:17,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:14:17,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1439 [2020-10-13 06:14:17,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:17,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:17,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 06:14:17,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 06:14:17,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:17,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:17,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:17,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:17,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:17,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:14:17,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:17,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:17,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:17,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:17,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:17,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:14:17,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:17,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:14:17,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:17,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:14:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:17,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:17,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:17,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 06:14:17,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:17,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 06:14:17,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 06:14:17,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:18,201 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 06:14:18,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846774791] [2020-10-13 06:14:18,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:18,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:18,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380360666] [2020-10-13 06:14:18,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:18,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:18,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:18,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:18,204 INFO L87 Difference]: Start difference. First operand 556 states and 645 transitions. Second operand 5 states. [2020-10-13 06:14:19,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:19,202 INFO L93 Difference]: Finished difference Result 1203 states and 1454 transitions. [2020-10-13 06:14:19,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:19,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 193 [2020-10-13 06:14:19,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:19,205 INFO L225 Difference]: With dead ends: 1203 [2020-10-13 06:14:19,205 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 06:14:19,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:14:19,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 06:14:19,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 457. [2020-10-13 06:14:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-10-13 06:14:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 533 transitions. [2020-10-13 06:14:19,223 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 533 transitions. Word has length 193 [2020-10-13 06:14:19,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:19,224 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 533 transitions. [2020-10-13 06:14:19,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:19,224 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 533 transitions. [2020-10-13 06:14:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 06:14:19,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:19,227 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] [2020-10-13 06:14:19,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 06:14:19,228 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:19,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:19,228 INFO L82 PathProgramCache]: Analyzing trace with hash -924563517, now seen corresponding path program 1 times [2020-10-13 06:14:19,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:19,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590067627] [2020-10-13 06:14:19,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:19,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:19,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:19,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:20,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:21,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:21,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-13 06:14:21,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:14:21,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2125 [2020-10-13 06:14:21,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:21,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:14:21,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 06:14:21,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 06:14:21,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:21,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:21,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:21,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:21,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:21,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:21,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:14:21,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:21,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:21,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:21,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:21,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:21,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:14:21,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:14:21,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:21,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:21,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:14:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:21,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:21,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:21,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:14:21,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:21,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 06:14:21,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:21,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 06:14:21,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:22,287 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 06:14:22,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590067627] [2020-10-13 06:14:22,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:22,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:14:22,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259694373] [2020-10-13 06:14:22,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:14:22,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:22,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:14:22,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:14:22,291 INFO L87 Difference]: Start difference. First operand 457 states and 533 transitions. Second operand 12 states. [2020-10-13 06:14:22,951 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-13 06:14:23,207 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2020-10-13 06:14:23,422 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2020-10-13 06:14:23,782 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2020-10-13 06:14:23,982 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2020-10-13 06:14:24,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:24,683 INFO L93 Difference]: Finished difference Result 1000 states and 1211 transitions. [2020-10-13 06:14:24,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:14:24,683 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 204 [2020-10-13 06:14:24,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:24,687 INFO L225 Difference]: With dead ends: 1000 [2020-10-13 06:14:24,687 INFO L226 Difference]: Without dead ends: 549 [2020-10-13 06:14:24,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:14:24,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-13 06:14:24,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 534. [2020-10-13 06:14:24,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-13 06:14:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 613 transitions. [2020-10-13 06:14:24,706 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 613 transitions. Word has length 204 [2020-10-13 06:14:24,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:24,707 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 613 transitions. [2020-10-13 06:14:24,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:14:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 613 transitions. [2020-10-13 06:14:24,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 06:14:24,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:24,710 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] [2020-10-13 06:14:24,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 06:14:24,711 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:24,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:24,711 INFO L82 PathProgramCache]: Analyzing trace with hash 821934225, now seen corresponding path program 1 times [2020-10-13 06:14:24,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:24,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311955986] [2020-10-13 06:14:24,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:24,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:24,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:25,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:25,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-13 06:14:25,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:14:25,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-13 06:14:25,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:25,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:25,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 06:14:25,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 06:14:25,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:25,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:25,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:25,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:25,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:25,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:25,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:14:25,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:25,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:25,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:25,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:25,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:14:25,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:25,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:14:25,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:25,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:25,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:14:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:25,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:25,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:25,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 06:14:25,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 06:14:25,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 06:14:25,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:25,596 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 06:14:25,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311955986] [2020-10-13 06:14:25,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:25,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:25,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349509410] [2020-10-13 06:14:25,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:25,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:25,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:25,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:25,599 INFO L87 Difference]: Start difference. First operand 534 states and 613 transitions. Second operand 5 states. [2020-10-13 06:14:26,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:26,581 INFO L93 Difference]: Finished difference Result 1157 states and 1378 transitions. [2020-10-13 06:14:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:26,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2020-10-13 06:14:26,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:26,585 INFO L225 Difference]: With dead ends: 1157 [2020-10-13 06:14:26,585 INFO L226 Difference]: Without dead ends: 465 [2020-10-13 06:14:26,588 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 06:14:26,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-13 06:14:26,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 458. [2020-10-13 06:14:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-13 06:14:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 531 transitions. [2020-10-13 06:14:26,606 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 531 transitions. Word has length 217 [2020-10-13 06:14:26,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:26,606 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 531 transitions. [2020-10-13 06:14:26,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 531 transitions. [2020-10-13 06:14:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-13 06:14:26,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:26,610 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] [2020-10-13 06:14:26,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 06:14:26,611 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:26,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:26,611 INFO L82 PathProgramCache]: Analyzing trace with hash -847284450, now seen corresponding path program 1 times [2020-10-13 06:14:26,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:26,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363617388] [2020-10-13 06:14:26,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:26,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:26,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:26,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:26,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:26,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:28,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:28,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:28,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:29,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:31,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:31,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-13 06:14:31,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:14:31,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4838 [2020-10-13 06:14:31,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:14:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 06:14:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 06:14:31,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:31,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:31,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:31,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:31,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:31,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:31,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:14:31,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:31,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:31,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:31,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:31,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:31,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:31,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:31,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:31,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:14:31,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:31,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:14:31,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:31,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:31,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:14:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:31,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:31,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:31,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:14:31,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:31,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:14:31,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:31,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:31,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:31,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:31,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:31,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 06:14:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:31,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:32,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:32,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 06:14:32,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:32,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 06:14:32,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:32,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:14:32,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:32,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 06:14:32,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:32,163 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 06:14:32,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363617388] [2020-10-13 06:14:32,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:32,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:14:32,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458033295] [2020-10-13 06:14:32,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:14:32,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:32,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:14:32,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:14:32,165 INFO L87 Difference]: Start difference. First operand 458 states and 531 transitions. Second operand 13 states. [2020-10-13 06:14:32,816 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-10-13 06:14:32,984 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-10-13 06:14:33,359 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-10-13 06:14:34,062 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-10-13 06:14:34,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:34,878 INFO L93 Difference]: Finished difference Result 1152 states and 1420 transitions. [2020-10-13 06:14:34,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:14:34,879 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 224 [2020-10-13 06:14:34,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:34,882 INFO L225 Difference]: With dead ends: 1152 [2020-10-13 06:14:34,882 INFO L226 Difference]: Without dead ends: 466 [2020-10-13 06:14:34,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:14:34,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-13 06:14:34,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 461. [2020-10-13 06:14:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-13 06:14:34,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 542 transitions. [2020-10-13 06:14:34,897 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 542 transitions. Word has length 224 [2020-10-13 06:14:34,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:34,898 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 542 transitions. [2020-10-13 06:14:34,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:14:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 542 transitions. [2020-10-13 06:14:34,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-13 06:14:34,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:34,901 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] [2020-10-13 06:14:34,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 06:14:34,902 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:34,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:34,902 INFO L82 PathProgramCache]: Analyzing trace with hash -2050375783, now seen corresponding path program 1 times [2020-10-13 06:14:34,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:34,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353212766] [2020-10-13 06:14:34,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:34,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:35,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:35,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:35,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:36,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:36,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-13 06:14:36,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:14:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1562 [2020-10-13 06:14:36,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:14:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 06:14:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 06:14:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:36,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:36,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:36,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:36,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:36,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:36,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:36,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:36,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:36,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:36,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:36,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:36,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:36,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:36,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:14:36,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:36,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:36,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:36,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:36,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:36,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:36,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 06:14:36,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:36,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:36,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:36,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 06:14:36,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:36,999 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 06:14:36,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353212766] [2020-10-13 06:14:36,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:36,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:14:37,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296634380] [2020-10-13 06:14:37,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:14:37,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:37,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:14:37,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:14:37,001 INFO L87 Difference]: Start difference. First operand 461 states and 542 transitions. Second operand 12 states. [2020-10-13 06:14:37,733 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2020-10-13 06:14:37,924 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-13 06:14:38,128 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-10-13 06:14:38,298 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-10-13 06:14:38,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:38,731 INFO L93 Difference]: Finished difference Result 954 states and 1141 transitions. [2020-10-13 06:14:38,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:14:38,737 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 239 [2020-10-13 06:14:38,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:38,740 INFO L225 Difference]: With dead ends: 954 [2020-10-13 06:14:38,740 INFO L226 Difference]: Without dead ends: 499 [2020-10-13 06:14:38,742 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 06:14:38,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-13 06:14:38,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2020-10-13 06:14:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-13 06:14:38,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 584 transitions. [2020-10-13 06:14:38,755 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 584 transitions. Word has length 239 [2020-10-13 06:14:38,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:38,756 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 584 transitions. [2020-10-13 06:14:38,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:14:38,756 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 584 transitions. [2020-10-13 06:14:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-13 06:14:38,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:38,758 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] [2020-10-13 06:14:38,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 06:14:38,759 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:38,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:38,759 INFO L82 PathProgramCache]: Analyzing trace with hash 753348330, now seen corresponding path program 1 times [2020-10-13 06:14:38,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:38,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869805982] [2020-10-13 06:14:38,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:38,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:38,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:39,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:39,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-13 06:14:39,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:14:39,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-13 06:14:39,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:39,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 06:14:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 06:14:39,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:39,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:39,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:39,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:39,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:39,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:39,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:39,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:39,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:39,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:39,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:39,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:39,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:14:39,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:39,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:39,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:39,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:39,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:39,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:39,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:39,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:39,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:39,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 06:14:39,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:39,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:39,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:39,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 06:14:39,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:39,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:14:39,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:39,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:39,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:39,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 06:14:39,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:39,480 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 06:14:39,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869805982] [2020-10-13 06:14:39,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:39,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:39,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585567238] [2020-10-13 06:14:39,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:39,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:39,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:39,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:39,484 INFO L87 Difference]: Start difference. First operand 496 states and 584 transitions. Second operand 5 states. [2020-10-13 06:14:40,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:40,395 INFO L93 Difference]: Finished difference Result 1072 states and 1304 transitions. [2020-10-13 06:14:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:40,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 253 [2020-10-13 06:14:40,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:40,402 INFO L225 Difference]: With dead ends: 1072 [2020-10-13 06:14:40,402 INFO L226 Difference]: Without dead ends: 499 [2020-10-13 06:14:40,405 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 06:14:40,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-13 06:14:40,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2020-10-13 06:14:40,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-13 06:14:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 579 transitions. [2020-10-13 06:14:40,421 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 579 transitions. Word has length 253 [2020-10-13 06:14:40,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:40,421 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 579 transitions. [2020-10-13 06:14:40,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 579 transitions. [2020-10-13 06:14:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-13 06:14:40,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:40,424 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] [2020-10-13 06:14:40,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 06:14:40,424 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:40,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:40,425 INFO L82 PathProgramCache]: Analyzing trace with hash 491540286, now seen corresponding path program 1 times [2020-10-13 06:14:40,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:40,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840796042] [2020-10-13 06:14:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:40,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:40,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:40,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:41,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:41,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:41,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:41,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:43,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:44,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:44,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:44,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 06:14:44,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:14:44,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4009 [2020-10-13 06:14:44,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:14:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-13 06:14:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 06:14:44,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:44,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:44,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:44,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:44,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:44,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:44,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:44,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:44,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:44,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:44,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:44,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:44,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:14:44,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:44,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:44,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:44,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:44,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:44,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:44,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:44,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:14:44,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:44,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:44,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:44,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:44,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:44,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 06:14:44,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:44,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:14:44,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:44,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:14:44,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:44,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 06:14:44,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:45,144 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 06:14:45,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840796042] [2020-10-13 06:14:45,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:45,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:14:45,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789943603] [2020-10-13 06:14:45,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:14:45,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:45,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:14:45,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:14:45,147 INFO L87 Difference]: Start difference. First operand 496 states and 579 transitions. Second operand 13 states. [2020-10-13 06:14:46,062 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2020-10-13 06:14:46,269 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2020-10-13 06:14:46,641 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2020-10-13 06:14:46,999 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2020-10-13 06:14:47,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:47,797 INFO L93 Difference]: Finished difference Result 1366 states and 1675 transitions. [2020-10-13 06:14:47,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:14:47,798 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 260 [2020-10-13 06:14:47,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:47,803 INFO L225 Difference]: With dead ends: 1366 [2020-10-13 06:14:47,803 INFO L226 Difference]: Without dead ends: 875 [2020-10-13 06:14:47,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-13 06:14:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-10-13 06:14:47,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 867. [2020-10-13 06:14:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:14:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1000 transitions. [2020-10-13 06:14:47,830 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1000 transitions. Word has length 260 [2020-10-13 06:14:47,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:47,830 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 1000 transitions. [2020-10-13 06:14:47,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:14:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1000 transitions. [2020-10-13 06:14:47,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-13 06:14:47,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:47,834 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] [2020-10-13 06:14:47,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 06:14:47,834 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:47,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:47,835 INFO L82 PathProgramCache]: Analyzing trace with hash 358390793, now seen corresponding path program 1 times [2020-10-13 06:14:47,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:47,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103159304] [2020-10-13 06:14:47,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:47,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:48,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:48,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:48,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-13 06:14:48,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:14:48,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 626 [2020-10-13 06:14:48,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:48,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:48,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 06:14:48,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 06:14:48,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:48,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:48,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:48,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:48,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:48,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:48,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:48,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:48,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:48,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:48,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:48,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:48,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:48,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:48,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:48,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:48,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:14:48,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:48,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:48,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:48,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:48,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:48,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:48,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:48,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:14:48,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:48,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:48,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:48,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:48,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:48,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:48,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:48,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:48,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 06:14:48,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:48,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:14:48,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 06:14:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:48,850 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 06:14:48,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103159304] [2020-10-13 06:14:48,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:48,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:48,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39759575] [2020-10-13 06:14:48,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:48,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:48,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:48,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:48,852 INFO L87 Difference]: Start difference. First operand 867 states and 1000 transitions. Second operand 5 states. [2020-10-13 06:14:49,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:49,804 INFO L93 Difference]: Finished difference Result 1819 states and 2146 transitions. [2020-10-13 06:14:49,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:49,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 265 [2020-10-13 06:14:49,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:49,811 INFO L225 Difference]: With dead ends: 1819 [2020-10-13 06:14:49,811 INFO L226 Difference]: Without dead ends: 872 [2020-10-13 06:14:49,813 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 06:14:49,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-13 06:14:49,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 867. [2020-10-13 06:14:49,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:14:49,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 985 transitions. [2020-10-13 06:14:49,839 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 985 transitions. Word has length 265 [2020-10-13 06:14:49,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:49,840 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 985 transitions. [2020-10-13 06:14:49,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:49,840 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 985 transitions. [2020-10-13 06:14:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-10-13 06:14:49,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:49,844 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] [2020-10-13 06:14:49,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 06:14:49,844 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:49,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:49,845 INFO L82 PathProgramCache]: Analyzing trace with hash -122403077, now seen corresponding path program 1 times [2020-10-13 06:14:49,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:49,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548449477] [2020-10-13 06:14:49,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:49,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:50,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:50,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-13 06:14:50,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:14:50,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-13 06:14:50,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 06:14:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 06:14:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:50,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:50,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:50,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:50,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:50,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:50,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:50,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:50,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:50,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:50,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:50,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:50,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:14:50,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:50,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:50,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:50,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:50,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:50,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:50,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:50,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:50,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:14:50,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:50,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:50,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:50,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:50,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:50,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:50,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 06:14:50,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:50,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:14:50,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:50,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:50,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:50,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 06:14:50,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:50,704 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 06:14:50,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548449477] [2020-10-13 06:14:50,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:50,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:50,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955681910] [2020-10-13 06:14:50,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:50,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:50,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:50,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:50,706 INFO L87 Difference]: Start difference. First operand 867 states and 985 transitions. Second operand 5 states. [2020-10-13 06:14:51,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:51,562 INFO L93 Difference]: Finished difference Result 1817 states and 2108 transitions. [2020-10-13 06:14:51,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:51,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 270 [2020-10-13 06:14:51,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:51,567 INFO L225 Difference]: With dead ends: 1817 [2020-10-13 06:14:51,567 INFO L226 Difference]: Without dead ends: 872 [2020-10-13 06:14:51,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:14:51,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-13 06:14:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 867. [2020-10-13 06:14:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:14:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 972 transitions. [2020-10-13 06:14:51,592 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 972 transitions. Word has length 270 [2020-10-13 06:14:51,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:51,593 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 972 transitions. [2020-10-13 06:14:51,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 972 transitions. [2020-10-13 06:14:51,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-10-13 06:14:51,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:51,597 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] [2020-10-13 06:14:51,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 06:14:51,597 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:51,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:51,598 INFO L82 PathProgramCache]: Analyzing trace with hash 216939556, now seen corresponding path program 1 times [2020-10-13 06:14:51,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:51,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243939713] [2020-10-13 06:14:51,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:51,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:51,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:52,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:52,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-10-13 06:14:52,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:14:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-10-13 06:14:52,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 06:14:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:14:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:52,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:52,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:52,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:52,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:52,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:52,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:52,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:52,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:52,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:52,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:52,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:52,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:52,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:52,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:52,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:14:52,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:52,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:52,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:52,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:52,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:52,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:52,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:52,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:14:52,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:52,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:52,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:52,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:52,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:52,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:52,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:52,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:52,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 06:14:52,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:52,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:14:52,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 06:14:52,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:52,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 06:14:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:52,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:52,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:52,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 06:14:52,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:52,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 06:14:52,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:52,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:52,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:14:52,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:14:52,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:52,994 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 06:14:52,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243939713] [2020-10-13 06:14:52,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:52,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:14:52,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747279825] [2020-10-13 06:14:52,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:14:52,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:52,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:14:52,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:14:52,996 INFO L87 Difference]: Start difference. First operand 867 states and 972 transitions. Second operand 7 states. [2020-10-13 06:14:53,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:53,718 INFO L93 Difference]: Finished difference Result 1260 states and 1389 transitions. [2020-10-13 06:14:53,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 06:14:53,719 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 325 [2020-10-13 06:14:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:53,720 INFO L225 Difference]: With dead ends: 1260 [2020-10-13 06:14:53,720 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 06:14:53,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:14:53,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 06:14:53,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 06:14:53,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 06:14:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 06:14:53,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 325 [2020-10-13 06:14:53,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:53,725 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 06:14:53,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:14:53,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 06:14:53,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 06:14:53,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 06:14:53,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 06:14:55,413 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 192 DAG size of output: 143 [2020-10-13 06:14:56,094 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 176 [2020-10-13 06:14:58,450 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 242 DAG size of output: 181 [2020-10-13 06:14:59,029 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 84 [2020-10-13 06:15:00,301 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 179 DAG size of output: 113 [2020-10-13 06:15:00,305 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:15:00,306 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 06:15:00,306 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:15:00,306 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,306 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,306 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,306 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,306 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,307 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-13 06:15:00,307 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-13 06:15:00,307 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-13 06:15:00,307 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-13 06:15:00,307 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-13 06:15:00,307 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-13 06:15:00,307 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-13 06:15:00,307 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-13 06:15:00,308 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-13 06:15:00,308 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-13 06:15:00,308 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:15:00,308 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:15:00,308 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-13 06:15:00,308 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,308 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,308 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,308 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,309 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-13 06:15:00,309 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,309 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-13 06:15:00,309 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-13 06:15:00,309 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-13 06:15:00,309 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-13 06:15:00,309 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-13 06:15:00,310 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-13 06:15:00,310 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-13 06:15:00,310 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:15:00,310 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:15:00,310 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-13 06:15:00,310 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-13 06:15:00,310 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-13 06:15:00,311 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:15:00,311 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:15:00,311 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-13 06:15:00,311 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,312 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,313 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,313 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,313 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,313 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 487) no Hoare annotation was computed. [2020-10-13 06:15:00,313 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:15:00,313 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-13 06:15:00,313 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:15:00,313 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-13 06:15:00,313 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-13 06:15:00,314 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-13 06:15:00,314 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-13 06:15:00,314 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-13 06:15:00,314 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-13 06:15:00,314 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-13 06:15:00,314 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-13 06:15:00,314 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,314 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,314 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,314 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,315 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,315 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-13 06:15:00,315 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-13 06:15:00,315 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-13 06:15:00,315 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-13 06:15:00,315 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-13 06:15:00,315 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-13 06:15:00,315 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-13 06:15:00,315 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-13 06:15:00,315 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-13 06:15:00,316 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-13 06:15:00,316 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-13 06:15:00,316 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-13 06:15:00,317 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-13 06:15:00,317 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,317 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,317 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,318 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,318 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,318 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-13 06:15:00,318 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-13 06:15:00,318 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-13 06:15:00,318 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-13 06:15:00,318 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-13 06:15:00,318 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-13 06:15:00,318 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-13 06:15:00,318 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-13 06:15:00,319 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-13 06:15:00,319 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-13 06:15:00,319 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-13 06:15:00,319 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-13 06:15:00,319 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-13 06:15:00,319 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:15:00,319 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-13 06:15:00,319 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:15:00,319 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,319 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,320 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,320 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,320 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-13 06:15:00,320 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,320 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:15:00,320 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,320 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:15:00,321 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:15:00,321 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:15:00,321 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,321 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,321 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-13 06:15:00,321 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-13 06:15:00,321 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-13 06:15:00,322 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 06:15:00,322 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 06:15:00,322 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-13 06:15:00,322 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-13 06:15:00,322 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-13 06:15:00,322 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-13 06:15:00,322 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-13 06:15:00,322 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-13 06:15:00,322 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,322 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,323 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,323 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,323 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,323 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,323 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-13 06:15:00,323 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-13 06:15:00,323 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-13 06:15:00,323 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-13 06:15:00,323 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-13 06:15:00,323 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,324 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,325 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-13 06:15:00,325 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-13 06:15:00,325 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-13 06:15:00,325 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-13 06:15:00,325 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-13 06:15:00,325 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-13 06:15:00,325 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-13 06:15:00,325 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-13 06:15:00,325 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-13 06:15:00,325 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-13 06:15:00,326 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-13 06:15:00,326 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-13 06:15:00,326 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-13 06:15:00,326 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-13 06:15:00,326 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,326 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,326 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,328 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse24 (= |old(~a19~0)| 1)) (.cse2 (= |old(~a25~0)| 1)) (.cse4 (= |old(~a11~0)| 1)) (.cse33 (not (= |calculate_output_#in~input| 3))) (.cse34 (not (= |calculate_output_#in~input| 4))) (.cse35 (not (= |calculate_output_#in~input| 5))) (.cse36 (not (= |calculate_output_#in~input| 6)))) (let ((.cse14 (not (= 9 |old(~a28~0)|))) (.cse15 (= ~a28~0 9)) (.cse0 (and .cse33 .cse34 (not (= |calculate_output_#in~input| 1)) .cse35 .cse36)) (.cse5 (= ~a19~0 0)) (.cse1 (not (= 0 |old(~a19~0)|))) (.cse19 (not (= |old(~a19~0)| |old(~a25~0)|))) (.cse13 (not (= 0 |old(~a25~0)|))) (.cse7 (= ~a25~0 |old(~a25~0)|)) (.cse25 (not (<= |old(~a25~0)| 1))) (.cse21 (not (<= |old(~a19~0)| 1))) (.cse22 (not (<= |old(~a17~0)| 8))) (.cse23 (not (<= 1 |old(~a19~0)|))) (.cse28 (not (<= 1 |old(~a25~0)|))) (.cse26 (<= 1 ~a25~0)) (.cse27 (<= ~a25~0 1)) (.cse32 (= 7 ~a17~0)) (.cse9 (= 7 ~a28~0)) (.cse31 (not (= 7 |old(~a17~0)|))) (.cse11 (not (= 7 |old(~a28~0)|))) (.cse17 (not .cse4)) (.cse18 (not .cse2)) (.cse30 (not (= 10 |old(~a28~0)|))) (.cse12 (not .cse24)) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a17~0 8)) (.cse20 (= ~a25~0 1)) (.cse16 (= ~a19~0 |old(~a19~0)|)) (.cse29 (= ~a28~0 10)) (.cse10 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse11) (or .cse12 .cse3 .cse13 .cse14 .cse10 (and .cse6 .cse7 .cse8 .cse15 .cse16) .cse17) (or .cse18 .cse19 .cse3 .cse14 .cse10 (and .cse6 .cse8 .cse20 .cse15 .cse16)) (or (not (<= |old(~a28~0)| 7)) .cse21 .cse22 (and .cse6 .cse7 (<= ~a28~0 7) (<= ~a17~0 8) (< 7 ~a17~0) .cse16 (< 6 ~a28~0)) .cse23 (not (<= |old(~a25~0)| 0)) .cse10 (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)))) (not (< 7 |old(~a17~0)|)) (not (<= |old(~a11~0)| 0)) (not (< 6 |old(~a28~0)|))) (or .cse0 (and .cse6 .cse7 .cse8 (= ~a28~0 8) .cse16) .cse24 .cse3 .cse13 .cse4 .cse10 (not (= 8 |old(~a28~0)|))) (or .cse0 .cse12 .cse3 .cse4 .cse14 .cse10 (and .cse6 (= ~a19~0 1) .cse7 .cse8 .cse15)) (or .cse25 (not (<= |old(~a11~0)| 1)) (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a17~0)| 7)) (and (<= 1 ~a11~0) (<= 7 ~a17~0) (<= 9 ~a28~0) .cse26 (<= ~a11~0 1) (<= ~a28~0 9) .cse27 (<= ~a17~0 7) .cse16) (not (<= |old(~a28~0)| 9)) .cse10 (not (<= 1 |old(~a11~0)|)) .cse28 (not (<= |old(~a19~0)| 0)) (not (<= 9 |old(~a28~0)|))) (or .cse24 (and .cse6 .cse7 .cse8 .cse9 .cse16) .cse3 .cse13 .cse10 .cse11 .cse17) (or .cse0 .cse18 (and .cse5 .cse6 .cse8 .cse20 .cse29) .cse30 .cse1 .cse3 .cse4 .cse10) (or .cse30 .cse31 .cse19 .cse13 .cse10 (and .cse32 .cse6 (= ~a25~0 ~a19~0) .cse16 .cse29) .cse17) (or .cse30 (and .cse33 .cse34 (not (= |calculate_output_#in~input| |old(~a19~0)|)) .cse35 .cse36) .cse12 .cse3 .cse4 .cse10 (and .cse6 .cse7 .cse8 .cse16 .cse29)) (or .cse25 .cse21 .cse22 (not (<= 8 |old(~a17~0)|)) .cse23 .cse4 .cse10 .cse28 (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) .cse6 .cse26 .cse27 .cse16)) (or (and .cse32 .cse6 .cse9 .cse20 .cse16) .cse18 .cse31 .cse12 .cse10 .cse11 .cse17) (or .cse18 .cse30 .cse12 .cse3 (and .cse6 .cse8 .cse20 .cse16 .cse29) .cse10)))) [2020-10-13 06:15:00,328 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,328 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,328 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,328 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-13 06:15:00,328 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-13 06:15:00,328 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-13 06:15:00,328 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-13 06:15:00,328 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,329 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,330 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,330 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,330 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,330 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-13 06:15:00,330 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-13 06:15:00,330 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-13 06:15:00,330 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-13 06:15:00,330 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-13 06:15:00,330 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-13 06:15:00,330 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,331 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-13 06:15:00,332 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-13 06:15:00,333 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-13 06:15:00,334 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:15:00,334 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a21~0 1) (<= 7 ~a28~0) (<= 8 ~a17~0) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a17~0 8) (<= ~a25~0 0) (<= 1 ~a19~0)) [2020-10-13 06:15:00,334 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 06:15:00,334 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:15:00,334 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a17~0)| 8)) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (<= 7 ~a28~0) (= ~a25~0 |old(~a25~0)|) (<= ~a28~0 7) (= ~a19~0 |old(~a19~0)|)) (not (<= 8 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0))) [2020-10-13 06:15:00,335 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= ~a11~0 1)) (.cse1 (= ~a19~0 1))) (let ((.cse7 (<= 8 ~a17~0)) (.cse9 (<= ~a17~0 8)) (.cse16 (not .cse1)) (.cse14 (= ~a19~0 0)) (.cse2 (= 7 ~a28~0)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse8 (not .cse4)) (.cse0 (= 7 ~a17~0)) (.cse11 (= ~a25~0 0)) (.cse6 (<= 1 ~a25~0)) (.cse10 (<= ~a25~0 1)) (.cse13 (= ~a28~0 9)) (.cse17 (= ~a25~0 ~a19~0)) (.cse12 (= ~a17~0 8)) (.cse3 (= ~a25~0 1)) (.cse15 (= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a19~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (<= 7 ~a28~0) (= ~a25~0 |old(~a25~0)|) (<= ~a28~0 7) .cse5) (not (<= 8 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (and .cse6 .cse7 (<= ~a19~0 1) .cse8 .cse9 .cse10 (<= 1 ~a19~0)) (not (<= |old(~a25~0)| 0)) (not (<= 7 |old(~a28~0)|)) (and .cse1 .cse11 .cse12 .cse13) (and .cse14 .cse7 .cse3 .cse8 .cse9 .cse15) (and .cse11 .cse12 .cse16 .cse8 (= ~a28~0 8)) (and .cse11 .cse12 .cse16 .cse2 .cse4) (and .cse14 .cse12 .cse2 .cse8 (not .cse3)) (and .cse12 .cse13 .cse8 .cse5) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse1 .cse12 .cse8 .cse15) (and .cse0 .cse11 .cse4 .cse17 .cse15) (and (<= 1 ~a11~0) (<= ~a19~0 0) (<= 7 ~a17~0) (<= 9 ~a28~0) .cse6 (<= ~a11~0 1) (<= ~a28~0 9) .cse10 (<= ~a17~0 7)) (and .cse12 .cse3 .cse13 .cse17) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0)) (and .cse1 .cse12 .cse3 .cse15)))) [2020-10-13 06:15:00,335 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:15:00,335 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:15:00,335 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (= ~a11~0 1)) (.cse16 (= 5 main_~input~0)) (.cse17 (= 6 main_~input~0)) (.cse18 (= main_~input~0 4)) (.cse19 (= 3 main_~input~0)) (.cse1 (= ~a19~0 1))) (let ((.cse11 (not .cse1)) (.cse0 (= 7 ~a17~0)) (.cse10 (= ~a25~0 0)) (.cse12 (<= 1 ~a25~0)) (.cse15 (<= ~a25~0 1)) (.cse7 (= ~a28~0 9)) (.cse22 (= ~a25~0 ~a19~0)) (.cse13 (<= 8 ~a17~0)) (.cse14 (<= ~a17~0 8)) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse5 (or .cse16 .cse17 .cse18 .cse19 (= main_~input~0 1))) (.cse21 (= ~a19~0 0)) (.cse2 (= 7 ~a28~0)) (.cse8 (not .cse4)) (.cse6 (= ~a17~0 8)) (.cse3 (= ~a25~0 1)) (.cse20 (= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a19~0)| 1)) (and .cse5 .cse6 .cse7 .cse8 .cse9) (not (<= 8 |old(~a17~0)|)) (and .cse5 .cse10 .cse6 .cse11 .cse8 (= ~a28~0 8)) (not (<= 1 |old(~a19~0)|)) (and .cse12 .cse13 (<= ~a19~0 1) .cse8 .cse14 .cse15 (<= 1 ~a19~0)) (and .cse1 .cse6 (or (= ~a19~0 main_~input~0) .cse16 .cse17 .cse18 .cse19) .cse8 .cse20) (and .cse5 .cse21 .cse13 .cse3 .cse8 .cse14 .cse20) (not (<= |old(~a25~0)| 0)) (not (<= 7 |old(~a28~0)|)) (and .cse10 .cse6 .cse11 .cse2 .cse4) (and .cse1 .cse10 .cse6 .cse7 .cse4) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse10 .cse4 .cse22 .cse20) (and (<= 1 ~a11~0) (<= ~a19~0 0) (<= 7 ~a17~0) (<= 9 ~a28~0) .cse12 (<= ~a11~0 1) (<= ~a28~0 9) .cse15 (<= ~a17~0 7)) (and .cse6 .cse3 .cse7 .cse22) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 7 ~a28~0) .cse13 (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))) (<= ~a28~0 7) .cse14 .cse9) (not (= ~a21~0 1)) (and .cse5 .cse21 .cse6 .cse2 .cse8 (not .cse3)) (and .cse1 .cse6 .cse3 .cse20) (not (<= |old(~a11~0)| 0))))) [2020-10-13 06:15:00,335 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-13 06:15:00,336 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-13 06:15:00,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:15:00 BoogieIcfgContainer [2020-10-13 06:15:00,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 06:15:00,393 INFO L168 Benchmark]: Toolchain (without parser) took 80583.45 ms. Allocated memory was 141.6 MB in the beginning and 970.5 MB in the end (delta: 828.9 MB). Free memory was 103.6 MB in the beginning and 559.8 MB in the end (delta: -456.1 MB). Peak memory consumption was 825.6 MB. Max. memory is 7.1 GB. [2020-10-13 06:15:00,394 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 06:15:00,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.24 ms. Allocated memory was 141.6 MB in the beginning and 207.6 MB in the end (delta: 66.1 MB). Free memory was 103.4 MB in the beginning and 174.2 MB in the end (delta: -70.7 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2020-10-13 06:15:00,397 INFO L168 Benchmark]: Boogie Preprocessor took 111.28 ms. Allocated memory is still 207.6 MB. Free memory was 174.2 MB in the beginning and 169.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-13 06:15:00,399 INFO L168 Benchmark]: RCFGBuilder took 1203.62 ms. Allocated memory was 207.6 MB in the beginning and 237.5 MB in the end (delta: 29.9 MB). Free memory was 168.8 MB in the beginning and 177.5 MB in the end (delta: -8.8 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2020-10-13 06:15:00,400 INFO L168 Benchmark]: TraceAbstraction took 78541.90 ms. Allocated memory was 237.5 MB in the beginning and 970.5 MB in the end (delta: 733.0 MB). Free memory was 177.5 MB in the beginning and 559.8 MB in the end (delta: -382.2 MB). Peak memory consumption was 803.6 MB. Max. memory is 7.1 GB. [2020-10-13 06:15:00,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.24 ms. Allocated memory was 141.6 MB in the beginning and 207.6 MB in the end (delta: 66.1 MB). Free memory was 103.4 MB in the beginning and 174.2 MB in the end (delta: -70.7 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.28 ms. Allocated memory is still 207.6 MB. Free memory was 174.2 MB in the beginning and 169.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1203.62 ms. Allocated memory was 207.6 MB in the beginning and 237.5 MB in the end (delta: 29.9 MB). Free memory was 168.8 MB in the beginning and 177.5 MB in the end (delta: -8.8 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 78541.90 ms. Allocated memory was 237.5 MB in the beginning and 970.5 MB in the end (delta: 733.0 MB). Free memory was 177.5 MB in the beginning and 559.8 MB in the end (delta: -382.2 MB). Peak memory consumption was 803.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 487]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((7 == a17 && a19 == 1) && 7 == a28) && a25 == 1) && a11 == 1) || !(\old(a19) <= 1)) || (((((a17 == \old(a17) && a11 == \old(a11)) && 7 <= a28) && a25 == \old(a25)) && a28 <= 7) && a19 == \old(a19))) || !(8 <= \old(a17))) || !(1 <= \old(a19))) || ((((((1 <= a25 && 8 <= a17) && a19 <= 1) && !(a11 == 1)) && a17 <= 8) && a25 <= 1) && 1 <= a19)) || !(\old(a25) <= 0)) || !(7 <= \old(a28))) || (((a19 == 1 && a25 == 0) && a17 == 8) && a28 == 9)) || (((((a19 == 0 && 8 <= a17) && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 == 10)) || ((((a25 == 0 && a17 == 8) && !(a19 == 1)) && !(a11 == 1)) && a28 == 8)) || ((((a25 == 0 && a17 == 8) && !(a19 == 1)) && 7 == a28) && a11 == 1)) || ((((a19 == 0 && a17 == 8) && 7 == a28) && !(a11 == 1)) && !(a25 == 1))) || (((a17 == 8 && a28 == 9) && !(a11 == 1)) && a19 == \old(a19))) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a28 == 10)) || ((((7 == a17 && a25 == 0) && a11 == 1) && a25 == a19) && a28 == 10)) || ((((((((1 <= a11 && a19 <= 0) && 7 <= a17) && 9 <= a28) && 1 <= a25) && a11 <= 1) && a28 <= 9) && a25 <= 1) && a17 <= 7)) || (((a17 == 8 && a25 == 1) && a28 == 9) && a25 == a19)) || !(a21 == 1)) || !(\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: 71.8s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 30.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 6698 SDslu, 1035 SDs, 0 SdLazy, 15947 SolverSat, 1206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 158 SyntacticMatches, 7 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred 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: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 124 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 146 NumberOfFragments, 1575 HoareAnnotationTreeSize, 108 FomulaSimplifications, 21430679 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4261824 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 36.5s InterpolantComputationTime, 3579 NumberOfCodeBlocks, 3579 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3561 ConstructedInterpolants, 0 QuantifiedInterpolants, 7557291 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...